CN103329768B - Dry farming direct seeding planting method of rice - Google Patents
Dry farming direct seeding planting method of rice Download PDFInfo
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- CN103329768B CN103329768B CN201310214119.4A CN201310214119A CN103329768B CN 103329768 B CN103329768 B CN 103329768B CN 201310214119 A CN201310214119 A CN 201310214119A CN 103329768 B CN103329768 B CN 103329768B
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Abstract
The invention discloses a dry farming direct seeding planting method of rice, which comprises the steps of preparing sprinkling irrigation equipment: the lifting micro-sprinkling irrigation equipment is buried under to-be-planted ground for 30-40cm; processing a field: straws of last stubbles of crops on the to be planted ground are cut into sections, the lengths of the straw sections are 2-20cm, the straw sections are broadcast in soil, a base fertilizer is applied on the soil, and the soil is subjected to ploughing and rotary tillage; preparing rice seeds and seeding: the selected rice seeds are sown on the processed soil uniformly, and then the soil is compacted; and performing sprinkling irrigation: the lifting micro-sprinkling irrigation equipment buried under the ground is used for irrigating the soil sown with the rice seeds, and the water content of the surface of the soil is 40-60%. Therefore, the precision irrigation to the crops is realized; excess water accumulation in the rice field is avoided; and the utilization ratio of water resources is increased. In addition, the straws are turned into organic fertilizers with the passage of time; straw turnover is realized indeed; the method contributes to improving the yield and quality of grains; and environmental pollution due to straw burning is avoided.
Description
Technical field
The invention belongs to the implantation methods of crops, be related specifically to a kind of rice dry-farming direct-seeding planting method.
Background technology
Paddy rice is the staple crops of China's plantation, up to the present, be all generally the tillage method adopting flood full irrigation, water consumption is large, and China is the country that a water resource is relatively deficient, cause local paddy rice to reduce because there is part Rice Cropping area lack of water in change China of weather simultaneously.
Utilizing plastic mulching to carry out the plantation of paddy rice dry land to reach the technical method of water-saving and yield-increasing is existing newer technical method, and these technical methods have also been obtained to be applied.But all there is certain defect in these technical methods: required irrigate band and mulch film more, cost is higher, use plastic mulching method to carry out the plantation of paddy rice dry land, will produce more mulch film fragment in the soil of field, the time one is long larger to soil pollution simultaneously throughout the year.
Broad irrigation formula rice cultivating method, namely rice sprouts transplanting method, because sun evaporation and seepage cause water resource to waste in a large number.Rice sprouts is transplanted to be needed just can survive in deep water, general 4-7 days, about depth of water 5-7cm.When after upper one batch of crops harvesting, remaining stalk does not generally all carry out also field preferably in this cultivation method, because when setting up water layer, part stalk after cutting off will float on the surface, under the effect of wind, stalk will overwhelm or cover on transplant seedlings, thus causes rice shoot dead.In addition, if rice shoot is inserted on stalk during rice transplanting, rice shoot will be made to float on the surface and can not survive.Rice shoot president after the surviving root that makes new advances is dark at soil 3-5 centimetre, if do not have water layer, so will become stiff seedling under the irradiation of the sun, does not tiller and easily dead.Stalk often burns by grower, and thus, environmental pollution is comparatively serious.In addition, because straw-returning is not resolved, add that soil is not executed or seldom executes farmyard manure, fertilizer, soil is made to plant barrenr and barrenr, Shi Yueduo got over by chemical fertilizer, runs off also serious. and. because paddy rice ducks in drink growth for a long time, rice pest occurs serious, usage amount and the number of times of agricultural chemicals also get more and more. simultaneously, due to the backwardness of Rice irrigation technology, the shortage of labour, rice yield amplification is very little for many years.
Summary of the invention
In order to solve the problem, the invention provides a kind of rice dry-farming direct-seeding planting method.
According to an aspect of the present invention, a kind of rice dry-farming direct-seeding planting method is provided, it is characterized in that, comprise the following steps:
Prepare sprinkling irrigation equipment: be embedded in by elevation (over-and-under) type microspray irrigation equipment and wait to plant 30-40cm below ground;
Whole field: the stalk of upper one batch of crops for the treatment of kind of ground is cut into chunks, these crops can be wheat, and the length of stalk section is 2-20cm, is then sprinkling upon in soil, then to soil basal dressing, then carry out ploughing and rotary tillage to this soil;
Prepare seed rice and sowing: evenly sowed by the seed rice chosen on the soil put in order, with soil pressure is real while planting with sowing machine;
Sprinkling irrigation: use the elevation (over-and-under) type microspray irrigation equipment be embedded in below ground to irrigate the soil broadcasting seed rice, make soil surface moisture be 40%-60%.This equipment is about 30 years in underground service life.
Its beneficial effect is: first, elevation (over-and-under) type microspray irrigation equipment is embedded in soil lower face, when needing to spray, this equipment is risen on the ground from soil lower face and microspray irrigation is carried out to crops, soil lower face is dropped in time after microspray irrigation completes, this elevation (over-and-under) type microspray irrigation equipment can not be damaged when adopting plant equipment to carry out operation to soil, reciprocal use, simple and convenient.Meanwhile, elevation (over-and-under) type microspray irrigation equipment has to the function of crops precision irrigation, and as natural precipitation during irrigation, intensity of dripping water is little, and area is large and the uniformity is high, does not form destructiveness to rice shoot.Elevation (over-and-under) type microspray irrigation equipment can improve water utilization rate, avoids occurring unnecessary ponding in rice field, and the air permeability in rice field is good, in addition, compares plastic mulching and carries out the environmental protection more of paddy rice dry land implantation methods.Secondly, stalk is cut into chunks and is sprinkling upon in soil, then ploughing and rotary tillage are carried out to this soil, then elevation (over-and-under) type microspray irrigation equipment is utilized to irrigate soil, thus, when can avoid straw-returning, improving straw mulching lives rice transplanting rice shoot and the unfavorable condition that affects its normal growth occurs, the environmental pollution caused by being burned by stalk can also be avoided simultaneously, and stalk also passing in time become fertilizer, really realize straw-returning, contribute to improving grain yield and quality, reduce the usage amount of chemical fertilizer year by year, soil is circulated benignly and uses.
In some embodiments, the seeding quantity of seed rice is 4-7kg/ every mu.
In some embodiments, weeding step is also comprised: to soil herbicide spraying after 2-3 days after sprinkling irrigation step completes.Its beneficial effect is: carry out weeding to soil, prevents moisture and the nutrient of weeds absorbent earth ground, is conducive to the growth of rice seedling.
In some embodiments, after weeding step completes, wait seed rice is emerged, and rice seedling forms rice shoot and tillers, and stops spraying and carrying out dry field, control to tiller when a stem of seed rice has 4-6 to tiller.Its beneficial effect is: carry out dry field when a stem of seed rice has 4-6 to tiller and stop tillering, effectively prevent the ineffective tillering of rice seedling too much, density is too high and cause spike of rice little, flat shell is many, the situation generation that particle is not full, the generation of damage by disease and insect can be reduced simultaneously, thus reduce the use of agricultural chemicals.
In some embodiments, rice shoot executes ammonium hydrogencarbonate chemical fertilizer for during a wholeheartedly leaf, and the consumption of ammonium hydrogencarbonate chemical fertilizer is 8-12kg/ every mu.Its beneficial effect is: rice shoot executes ammonium hydrogencarbonate chemical fertilizer for during a wholeheartedly leaf to it, execute ammonium hydrogencarbonate chemical fertilizer consumption be 8-12kg/ every mu, thus, be conducive to seed rice from the generation having 4-6 effective tiller to a stem of emerging.
In some embodiments, base manure comprises farmyard manure and chemical fertilizer, the consumption of farmyard manure is 450-550kg/ every mu, chemical fertilizer comprises nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, the consumption of described chemical fertilizer is 15-20kg/ every mu, and the consumption of chemical fertilizer accounts for the 50-70% needing the chemical fertilizer total amount used in the middle of Rice Cropping overall process.Its beneficial effect is: basal dressing is conducive to improveing soil, is beneficial to the growth of paddy rice.
In some embodiments, the seed rice in the preparation process of seed rice is soaked in 40-50 hour in water, waits to broadcast after airing.Its beneficial effect is: to be soaked in water by seed rice before sowing and emerge the morning being conducive to seed rice for 40-50 hour, emerges neat and emergence rate is high, catches season.
In some embodiments, the mode of sowing is bunch planting, and every bunch planting seed rice 3-5 grain, sowing depth is 1-2cm, and spacing distance is 30cm × 20cm or 25cm × 25cm, anyhow aligns.Its beneficial effect is: this mode is sowed and rice field entirety can be made to ventilate, breathe freely, and is conducive to the growth of rice seedling, and is convenient to, to the mechanization weeding in rice field, be convenient to farmland operation.
In some embodiments, in the step of whole field, the degree of depth of ploughing is 20-25cm, and the degree of rotary tillage makes soil block size be 1-5cm, and the straw-returning degree of depth is 15cm.Its beneficial effect is: stalk can realize the also field of 100%, and does not affect the growth of rice shoot.
In some embodiments, prepare also to bury underground in sprinkling irrigation equipment step Infiltrating irrigation type underground and to pour water drainage system, its depth of burying is for treating kind below ground 20-40cm.Its beneficial effect is: Infiltrating irrigation type underground drainage system of pouring water is beneficial in rice field of draining because the unnecessary ponding that causes of reason such as raining, keep soil surface water content substantially constant, grow under making paddy rice there is no the environment of unnecessary ponding always, but also facilitate mechanical work.Thus, elevation (over-and-under) type microspray irrigation equipment can be adopted during sprinkling irrigation to spray or adopt Infiltrating irrigation type underground drainage system of pouring water to spray, also soil can being irrigated by two kinds of equipment simultaneously, fill with through soil earth.
Accompanying drawing explanation
Fig. 1 is the structural representation of the elevation (over-and-under) type microspray irrigation equipment that the present invention uses;
Fig. 2 shrinks schematic diagram under the elevation (over-and-under) type microspray irrigation device ground that uses of the present invention;
Fig. 3 is that the present invention uses elevation (over-and-under) type microspray irrigation equipment to be raised to schematic diagram time sprinkling irrigation in ground;
Fig. 4 pours water drainage system structural representation in Infiltrating irrigation type underground that the present invention uses.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is further illustrated.
Rice dry-farming direct-seeding planting method is as follows:
The present invention tests in Zhen Xizhou village, Yanlin, Jiangsu Danyang City, and the rainfall is plentiful in test area.
(1) sprinkling irrigation equipment is prepared: be embedded in by elevation (over-and-under) type microspray irrigation equipment and wait to plant 30cm or 40cm place below ground, be preferably 30cm.Elevation (over-and-under) type microspray irrigation equipment is buried sprinkling irrigation hydraulic multi-stage expansion link regularly; its concrete structure is with reference to Fig. 1, Fig. 2 and Fig. 3; inlet opening 1, base 2, protection tube 3, multi-stage expansion pipe 4, sealing ring 5, ball valve 6, shower nozzle 7, protection tube driving device 8, ground 9, inlet valve 10, vavuum pump valve 11, vavuum pump 12, hard tube 13, multistage lifting pipe and shower nozzle combination 14, ground 15.
(2) whole field: first cut into chunks by the stalk of upper one batch of crops for the treatment of kind of ground, the length of stalk section is 2cm or 5cm or 20cm, and wherein stalk section length is preferably 5cm.Secondly, stalk section is sprinkling upon in soil, then to soil basal dressing, this base manure comprises farmyard manure and chemical fertilizer, and wherein, the consumption of farmyard manure is 450-550kg/ every mu, chemical fertilizer comprises nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, and the consumption of chemical fertilizer accounts for the 50-70% needing the chemical fertilizer total amount used in the middle of Rice Cropping overall process.Finally, carry out ploughing and rotary tillage to this soil, wherein, ploughing depth is 20cm or 25cm, and the degree of rotary tillage makes soil block size be 1cm or 1.5cm or 5cm, is preferably 1cm.Straw-returning is 15 or 20cm apart from the distance of ground surface, is preferably 15cm, thus improvement soil physical arrangement, improve soil ventilation and water-holding capacity condition, be conducive to the realization of straw-returning simultaneously, increase soil organic fertilizer.
(3) seed rice and sowing is prepared: evenly sowed by the seed rice chosen on the soil put in order, while sowing, soil pressure is real.Wherein, seed rice is selected " military fortune No. 24, round-grained rice " seed, basks seeds to it before sowing, to be then soaked in water 40 hours or 50 hours or 48 hours, wherein soak time be 48 hours better, after seed has soaked, its airing is waited to broadcast.Precision planter is adopted to carry out bunch planting, also manually bunch planting can be carried out, every bunch planting seed rice 3-5 grain, sowing depth is 1-2cm, and spacing distance is 30cm × 20cm or 25cm × 25cm, anyhow aligns, thus, rice field entirety can be made to ventilate, breathe freely, be conducive to the growth of rice seedling, and be convenient to the mechanization weeding of later stage to rice field.The seeding quantity of seed rice is 4-7kg/ every mu.
To be soaked in water by seed rice before sowing and emerge the morning being conducive to seed rice for 40-50 hour, emerge neat and emergence rate is high, emergence rate reaches 98%.
(4) spray: within seed rice finishes 24 hours, use the elevation (over-and-under) type microspray irrigation equipment be embedded in below ground to irrigate the soil broadcasting seed rice, make soil surface moisture be 40%-60%.With reference to Fig. 2 and Fig. 3; press water flows to base 2 from water inlet 1; pressure water action is on multi-stage expansion pipe 4 and back down ball valve 6 and be raised to ground; protection tube driving device 8 drives protection tube 3 to be also raised to about 10cm on ground simultaneously; multistage reduction pipe 4 is raised on ground and stops after certain altitude; the thinnest one is equipped with mini sprinkler 7, and under the pressure effect of water, mini sprinkler 7 is started working.After sprinkling irrigation terminates; Multi-stage liftable rod will drop to below ground; from Fig. 1, close inlet valve 10, open vavuum pump valve 11; vavuum pump 12 is started working; ball valve 6 simultaneously in Multi-stage liftable rod is closed, and makes Multi-stage liftable rod produce vacuum, makes the landing of Multi-stage liftable rod page profit; simultaneously under protection tube driving device 8 drives, protection tube 3 also drops to below ground.
Shower nozzle 7 number that every mu of ground is equipped with is 4.As natural precipitation when elevation (over-and-under) type microspray irrigation equipment is irrigated, intensity of dripping water is little, and area is large, does not form destructiveness to rice shoot.When the ground surface of irrigating soil is all moistening, stop when making its water content be 40% or 50% or 60% irrigating, when wherein water content is 50%, effect is better, and soil surface soil refers to the soil of below surface, soil 3-4cm.
Irrigate after having gathered in new round planting rice seed from upper one batch of crops and terminate, the time used is 48 hours, is conducive to holding season.The irrigation in Rice Cropping later stage uses elevation (over-and-under) type microspray irrigation equipment to carry out, and remains that soil surface moisture is 40% or 50% or 60%, until before paddy rice harvesting 10-15 days stop sprinkling irrigation.
Elevation (over-and-under) type microspray irrigation equipment is embedded in soil lower face, when needing to spray, this equipment is risen on the ground from soil lower face and crops are sprayed, spray and dropped to soil lower face in time afterwards, agricultural machinery can not damage this elevation (over-and-under) type microspray irrigation equipment when carrying out operation to field, the long service life of equipment, can Reusability, simple and convenient.Meanwhile, elevation (over-and-under) type microspray irrigation equipment has to the function of crops precision irrigation, and improve water utilization rate, avoid occurring unnecessary ponding in rice field, the air permeability in rice field is good, can suppress the generation of damage by disease and insect greatly.In addition, compare plastic mulching and carry out the environmental protection more of paddy rice dry land implantation methods.Secondly, stalk is cut into chunks and is sprinkling upon field, then ploughing and rotary tillage are carried out to this soil, then utilize elevation (over-and-under) type microspray irrigation equipment to irrigate field, thus, when can avoid straw-returning, improving straw mulching lives rice transplanting rice shoot and the unfavorable condition that affects its normal growth occurs, the environmental pollution caused by being burned by stalk can also be avoided simultaneously, and stalk also passing in time become fertilizer, really realize straw-returning, contribute to improving grain yield and quality.In order to equably, accurately fertilizer or agricultural chemicals can be sprayed, the fertilizer of solubility or agricultural chemicals can be sprayed by elevation (over-and-under) type microspray irrigation equipment.
Emerging of seed rice is affected, to soil herbicide spraying after 2-3 days after sprinkling irrigation step completes in order to prevent weeds absorbent earth moisture on the ground and nutrient.
In order to prevent the ineffective tillering of rice seedling too much, density is too high and cause spike of rice little, flat shell is many, the situation generation that particle is not full, so wait for that seed rice is emerged after weeding step completes, rice seedling forms rice shoot and tillers, and stops spraying and carrying out dry field, control to tiller when a stem of seed rice has 4 to tiller.
4 effective tiller are had from emerging to a stem in order to be beneficial to seed rice, for during a wholeheartedly leaf, ammonium hydrogencarbonate chemical fertilizer is being executed to it when rice shoot, the consumption of ammonium hydrogencarbonate chemical fertilizer is 8kg/ every mu or 12kg/ every mu or 10kg/ every mu, wherein, when the consumption of ammonium hydrogencarbonate chemical fertilizer is 10kg/ every mu, effect is better, and seed rice has 4 effective tiller times used to be 20-25 days from emerging to a stem.
In order to realize supplying water directly to crops root system further, be convenient to drain in rice field because of unnecessary ponding that the reason such as to rain causes, keep soil surface water content substantially constant, grow under making paddy rice there is no the environment of unnecessary ponding always, can also bury Infiltrating irrigation type underground underground to pour water drainage system in preparation sprinkling irrigation equipment step, its depth of burying is for treating kind below ground 30cm or 40cm.
Concrete with reference to Fig. 4, Infiltrating irrigation type underground drainage system of pouring water comprises water pump 100, conduit pipe 200, first valve 300, inlet channel 400, outlet conduit 500, pour water drainage pipeline 600 and the second valve 700, water pump 100 is positioned at water source place, and conduit pipe 200 connects water pump 100 and inlet channel 400.By water pump 100, water is injected conduit pipe 200, current flow in inlet channel 400 via conduit pipe 200.The entrance of inlet channel 400 is provided with the first valve 300, drainage pipeline 600 of pouring water connects inlet channel 400 and outlet conduit 500, soil lower face is located at by drainage pipeline 600 of pouring water, the sidewall of drainage pipeline 600 of pouring water is provided with the through hole 601 supplying water and pass through, this through hole 601 place is also provided with screen pack, and the outlet of outlet conduit 500 is provided with the second valve 700.When needing to pour water, first valve 300 to be opened and by two valve closings, then water pump 100 is started, water pump 100 is started working and is incorporated in drainage tube by water, current enter into inlet channel 400 through the first valve 300, flowing into from inlet channel 400 pours water in drainage pipeline 600 again, because the second valve 700 is closed, the water level of pouring water in drainage pipeline 600 will rise, etc. when being filled with water in drainage pipeline 600 of pouring water, current will flow in the middle of soil through through hole 601 and screen pack, realize irrigating.Moisture content in the middle of soil is too high, when needing draining, close the first valve 300 and the second valve 700 is opened, the moisture content in soil is flow into by screen pack and through hole 601 pours water in drainage pipeline 600, discharge via outlet conduit 500 again, realize the draining in soil.
Pour water the function that drainage system can realize evenly supplying water directly to crops root system in Infiltrating irrigation type underground, save the water resource of irrigation greatly, and soil lower face is located at by drainage pipeline 600 of pouring water, can not be destroyed by farm machinery, extend Infiltrating irrigation type underground greatly and pour water service life of drainage system.In addition, when the moisture content in soil is too high, drainage system is poured water in Infiltrating irrigation type underground can also the moisture of draining excess, grows better under making paddy rice not have the environment of unnecessary ponding always.
The concrete structure of " regularly buried sprinkling irrigation hydraulic multi-stage expansion link " can application reference number be 201220516579.3 utility model patent.
Paddy rice is 40%-60% in soil surface water content, the water content at the place of 4-25cm below soil layer is just can well grow under the environment of 70%, because seed rice is first Extensive root when germinateing, soil 3 is goed deep into the bud that comes into leaves again during 6cm until root, generally, during dry farming rice shoot height of seedling 4.5-5cm, root system just gos deep into soil about 13-14cm, so can not thirst, well developed root system on the contrary.The method situation of shoot transplanting equipment is then different: when the little transplantation of seedlings of paddy rice, root system is destroyed, after transplanting, long new root must be immersed in water, and the depth of water, at about 7cm, so just can not be dried up by the sun, through 5-7 days, rice shoot grows new white root, just can survive, but at this moment the root system of rice shoot only has 4-5cm in the degree of depth of soil, also must be immersed in and grow paddy rice in water and just have and tiller, general water layer has about 3cm.Seedling generally grows in seedbed transplants for about 20-25 days, and then within 5-7 days, survive, then tiller, at this moment tillered nursery plant is postponed, is difficult to cultivate strong sprout.Dry-farming direct-seeding planting method germination and emergence only needs within 12-15 days, just to start to tiller, and shifts to an earlier date 20 days and tiller end than transplanting method, and 4-6 can be had to tiller.So rice dry-farming direct-seeding planting method of the present invention can cultivate strong sprout, lay the first stone to volume increase.
The table of comparisons (calculate with every mu, every mu by 667 squares of calculating) of table 1. rice dry-farming direct-seeding planting method of the present invention and traditional rice transplanting broad irrigation formula cultivation method
Above-described is only some embodiments of the present invention, it should be pointed out that for the person of ordinary skill of the art, and under the prerequisite not departing from creation design of the present invention, can also make other distortion and improve, these all belong to protection scope of the present invention.
Claims (10)
1. rice dry-farming direct-seeding planting method, is characterized in that, comprises the following steps:
Prepare sprinkling irrigation equipment: be embedded in by elevation (over-and-under) type microspray irrigation equipment and wait to plant 30-40cm below ground;
Prepare infiltrating irrigation equipment: to pour water drainage system treating kind to bury underground below ground Infiltrating irrigation type underground;
Whole field: cut into chunks by the stalk of upper one batch of crops for the treatment of kind of ground, the length of stalk section is 2-20cm, is then sprinkling upon in soil, then to soil basal dressing, then carries out ploughing and rotary tillage to this soil;
Prepare seed rice and sowing: evenly sowed by the seed rice chosen on the soil put in order, then that soil pressure is real;
Sprinkling irrigation: use the elevation (over-and-under) type microspray irrigation equipment be embedded in below ground to irrigate the soil broadcasting seed rice, make soil surface moisture be 40%-60%;
Wherein, described Infiltrating irrigation type underground drainage system of pouring water comprises water pump, conduit pipe, the first valve, inlet channel, outlet conduit, pour water drainage pipeline and the second valve, and water pump is positioned at water source place, and conduit pipe connects water pump and inlet channel;
By water pump, water is injected conduit pipe, current flow in inlet channel via conduit pipe, the entrance of inlet channel is provided with the first valve, drainage pipeline of pouring water connects inlet channel and outlet conduit, drainage pipeline of pouring water is located at and is treated kind of a soil lower face, and the sidewall of drainage pipeline of pouring water is provided with the through hole supplying water and pass through, and this through hole is also provided with screen pack, the outlet of outlet conduit is provided with the second valve
When needing to pour water, by the first valve open and by the second valve closing, then start water pump, water pump is started working and is incorporated in drainage tube by water, and current enter into inlet channel through the first valve, flowing into from inlet channel pours water in drainage pipeline again, because the second valve is closed, the water level of pouring water in drainage pipeline will rise, and waits when being filled with water in drainage pipeline of pouring water, current will flow in the middle of soil through through hole and screen pack, realize irrigating;
Moisture content in the middle of soil is too high, when needing draining, closes the first valve and by the second valve open, the moisture content in soil is flow into by screen pack and through hole and pours water in drainage pipeline, then discharges via outlet conduit, realizes the draining in soil.
2. rice dry-farming direct-seeding planting method according to claim 1, is characterized in that, the seeding quantity of described seed rice is 4-7kg/ every mu.
3. rice dry-farming direct-seeding planting method according to claim 1, is characterized in that, also comprises weeding step: to soil herbicide spraying after 2-3 days after sprinkling irrigation step completes.
4. rice dry-farming direct-seeding planting method according to claim 3, it is characterized in that, after described weeding step completes, wait seed rice is emerged, and rice seedling forms rice shoot and tillers, stop spraying and carrying out dry field when a stem of seed rice has 4-6 to tiller, control to tiller.
5. rice dry-farming direct-seeding planting method according to claim 4, is characterized in that, described rice shoot executes ammonium hydrogencarbonate chemical fertilizer for during a wholeheartedly leaf, and the consumption of described ammonium hydrogencarbonate chemical fertilizer is 8-12kg/ every mu.
6. rice dry-farming direct-seeding planting method according to claim 1, it is characterized in that, described base manure comprises farmyard manure and chemical fertilizer, the consumption of described farmyard manure is 450-550kg/ every mu, described chemical fertilizer comprises nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, the consumption of described chemical fertilizer is 15-20kg/ every mu, and the consumption of described chemical fertilizer accounts for the 50-70% needing the chemical fertilizer total amount used in the middle of Rice Cropping overall process.
7. rice dry-farming direct-seeding planting method according to claim 1, is characterized in that, the seed rice in described preparation seed rice step is soaked in 40-50 hour in water, waits to broadcast after airing.
8. rice dry-farming direct-seeding planting method according to claim 1, is characterized in that, the mode of described sowing is bunch planting, and every bunch planting seed rice 3-5 grain, sowing depth is 1-2cm, and spacing distance is 30cm × 20cm or 25cm × 25cm, anyhow aligns.
9. rice dry-farming direct-seeding planting method according to claim 1, is characterized in that, in the step of described whole field, the degree of depth of ploughing is 20-25cm, and the degree of rotary tillage makes soil block size be 1-5cm, and the straw-returning degree of depth is 15-20cm.
10. the rice dry-farming direct-seeding planting method according to any one of claim 1-8, is characterized in that, the depth of burying of drainage system is poured water for treating kind below ground 20-40cm in described Infiltrating irrigation type underground.
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| CN107691146A (en) * | 2017-09-28 | 2018-02-16 | 蚌埠市金牛湾农业科技发展有限公司 | A kind of method of directly seeding rice |
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| CN103947490A (en) * | 2014-04-07 | 2014-07-30 | 黄宝林 | Paddy field weeding method implemented along with seeding |
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| KR100583385B1 (en) * | 2004-10-21 | 2006-05-26 | 조영손 | No-herbicide rice cropping by ridge sowing and water management |
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