CN109964767A - A kind of double cropping of rice implantation methods promoted based on new regulation Paddy Output - Google Patents
A kind of double cropping of rice implantation methods promoted based on new regulation Paddy Output Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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Abstract
The invention belongs to planting technology fields, more particularly to a kind of double cropping of rice implantation methods promoted based on new regulation Paddy Output, green manure returning to the field and straw-returning are used after the regulation of farmland, and rice liquid manure is promoted efficiently to utilize by intermittent irrigation and Optimum mode, and then realize that double cropping of rice yield is restored in a short time and improved in new regulation farmland.
Description
Technical field
The invention belongs to planting technology fields, and in particular to a kind of double cropping of rice plantation promoted based on new regulation Paddy Output
Method.
Background technique
Land control is to reinforce basic farmland infrastructure construction, improve basic farmland quality, improve basic farmland production
The main means of condition.For this purpose, China has carried out large-scale land control engineering, issues and implements and " opened in national soil in succession
Hair arranges planning (2001~2010) ", " national land control plan (2011~2015 years) ", " national land control planning
2016~the year two thousand twenty ", it is intended to increase effective cultivated area by farmland training works, improves land quality and utilization efficiency, change
Kind production, living condition and ecological environment.
Land control is one and is related to the system engineering of resource environment, social economy, policy-system.In farmland land control
In the process, the technical measures such as topsoil removing backfill or soil moved in improve the original landfill are mostly used to rebuild farmland, the implementation of engineering changes
The original porosity of soil and crumb structure are become, so as to cause the reduction of soil buffer performance and retain water and nutrients performance.In addition,
Due to changing topsoil soils chemical property and biological characteristics during land control, microbial populations in soil group is destroyed
Structure is fallen, geobiont self regulating and control ability is significantly reduced.Therefore, implement initial stage, farmland in farmland soil training works
Retain water and nutrients ability and production capacity are decreased obviously, and restore to will appear the case where crop yield reduces in several years of plantation.Reply
This problem or be traditionally method fertilizing soil, but this need to put into a large amount of organic fertilizer carry out 5 years, 10 years even
The topsoil of vicennial time is cultivated；Crop yield is either improved by using a large amount of chemical fertilizer, not only increases agriculture throwing
Enter, exacerbate agricultural non-point source pollution, reduce agricultural product quality, also results in surface water pollution seriously and eutrophication, underground
Water nitrate content has generally exceeded the standard.Therefore, restore and promoted after crop yield has become land control to be badly in need of as early as possible in a short time
The critical issue of solution.
In recent years, relevant technical standard has been formulated one after another in country and place, specification land control engineering construction it is basic
Principle, construction content and technical requirements, but the technology that existing standard is not directed to double cropping of rice yield after quickly improving regulation is arranged
It applies, and double cropping of rice yield still remains the problem of can not restoring in short term after regulation at present.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of double cropping of rice plantation promoted based on new regulation Paddy Output
Method.
To realize the above technical purpose, the technical scheme is that
A kind of double cropping of rice implantation methods promoted based on new regulation Paddy Output, the implantation methods include green manure returning to the field,
Straw-returning and the water and fertilizer management mode of optimization.
The green manure returning to the field is using Chinese milk vetch as green manure type, application rate 30kg/hm2, the sowing time is annual 9
The last ten-days period to the early October moon, Chinese milk vetch fresh grass turn over returning to the field for 15-20 days before the transplanting of rear stubble early rice, and the Chinese milk vetch fresh grass is gone back
Field amount is 22.5-30.0t/hm2.The mechanical harvesting is turned over by the way of tractor rotary tillage, should be reached after turning over
Do not make green manure plant exposed.
Dry matter content is 9.5-10.3% in the Chinese milk vetch fresh grass, and dry weight nutrient content is full nitrogen 2.9-3.4%, entirely
Phosphorus content is 0.2-0.3%, and full potassium content is 4.2-4.7%.
The straw-returning is that sprinkling stalk is rotten by the straw-returning of early late rice mechanical harvesting, and in early rice straw-returning
Lose agent；Early, late rice uses mechanical harvest, by straw mincing and returning to the field when harvesting, is manually sowed uniformly, is used when season farming after
Tractor rotary tillage buries.
The dry matter of the stalk is 5.9-6.2t/hm2, dry weight nutrient content is carbon 38.8-40.0%, nitrogen 0.7-
0.9%, phosphorus 0.1-0.2%, potassium 2.0-2.4%.
Harvesting returning total stalks into fields in the straw-returning.
The implantation methods further include intermittent irrigation, and the intermittent irrigation is to consume naturally according to water of every filling to it
Afterwards, field face is in moisture state, then fills next water, accomplishes that rear water loses preceding water, and being formed has water layer for several days, and several days no water layers are constituted
Carbonated drink and it is wet alternately and repeatedly.
Early rice collects rain light irrigation mode: i.e. the Irrigation that stores deeply of alternation of wetting and drying, light irrigation, in rice striking root phase holding 10-
40mm water layer, late tillering state dry field 7-10 days, the stage of yellow ripeness fall dry naturally, remaining stage pours water water depth up to 30-40mm, rainfall
When collected water storage layer depth 50-60mm, until 80% or so (soil that water layer runs out of and soil moisture content is made to drop to saturated aqueous rate
Heavy real, foot is stepped on and is not fallen into, Tian Biancheng chicken feet crack) Shi Zaici pours water, so carry out repeatedly alternation of wetting and drying；Also that is, before tiller,
Under the conditions of later period and milk stage are without rain, generally poured water every 7-10 days primary, forming field after pouring water every time has water layer 4-5 days,
No water layer 3-5 days；The Deficiency Xn Rice Plants water sensitive phase such as jointing-booting stage and full heading time, using slight interval, i.e. water-cut-off is
1-3 days.
Late rice interval control filling mode: 10-30mm water layer, late tillering state dry field 7-10 days, yellow maturity are kept in the rice striking root phase
Phase falls dry naturally.Remaining stage pours water after the no water layer of field face for 5-8 days under the conditions of no rain, and water irrigating depth controls 30-
50mm, forming field after pouring water every time has water layer 4-5 days, no water layer 2-3 days, is repeated.
The implantation methods further include quantitative fertilization.
Double morning in seasons, late rice nitrogenous fertilizer (N) dosage are 180-210kg/hm2, by base manure, tillering fertilizer, ear manuer 3 times applications, dosage
Respectively 57-75kg/hm2、69-75kg/hm2、54-60kg/hm2；Phosphate fertilizer (P2O5) dosage 75kg/hm2, make base manure and planted in rice
Application before kind；Potash fertilizer (K2O) dosage is 150-180kg/hm2, by base manure, ear manuer 2 times applications, dosage is respectively 57-75kg/
hm2、93-105kg/hm2.Base manure was applied in plantation first 1 day, and tillering fertilizer is applied for 7-10 days after transplanting, and booting fertilizer is after transplanting
It is applied at 35-40 days.
From the above, it can be seen that the present invention has following advantages:
1. the present invention proposes to be suitable for the water-saving fertilizer-saving high-yield culturing management mode lifted field type and newly renovate paddy rice production, real
The short-term recovery of farmland regulation ensuing crop yield is showed and has been promoted.
2. the present invention makes full use of Chinese milk vetch returning to the field and tangerine stalk returning to the field technology to improve the area Tai Tian Soil Nutrients in Paddy Field and recovery
Soil productivity realizes the sustainable development of resource recycled with agricultural planting, can to avoid rice straw burning, thus
Reduce the pollution to atmosphere.
3. the present invention can effectively promote new regulation rice field liquid manure utilization efficiency, saves irrigation water, reduces chemical fertilizer investment,
It can effectively reduce the loss of agricultural area source pollutants nitrogen phosphorus, to mitigate the pollution to water environment.
Specific embodiment
The present invention will be described in detail in conjunction with the embodiments, but does not do any restriction to claim of the invention.
Implement material: double morning in seasons, Varieties In Late Rice are respectively Hunan morning Xian 9, Hunan evening Xian 12.
Enforcement place: using Jiangxi Province, the area water-control project Tai Tian, the Xiajiang as enforcement place, Xiajiang key water control project lifts field work
The journey gross area reaches 3.75 ten thousand mu, is that maximum-norm lifts field engineering both at home and abroad at present.Rice field passes through lift field work in the lift field region
Cheng Jinhang regulation is rebuild.
Implement design:
Land occupation shape in plantation field is rectangle, and is divided into the same terraced block field of area, and adjacent ladder block field is in length direction
Distance be 25cm, and adjacent terraced block field in width direction there are spacing, and spacing is the gallery of clear span 2.5m, on the gallery
The agric of surface backfill 30cm.
Plantation field there also is provided water drainage-supply system, water quantity monitoring system and temperature monitoring system, can directly pass through system
The water supply and discharge in control plantation field.
The soil texture for planting field is made of arable layer, water conservation layer, pad level, and guarantor's water layer thickness is 40cm, and compactness is
0.90, arable layer is with a thickness of 15cm.Water conservation layer is formed by the plough sole with a thickness of 10cm and with a thickness of the impervious barrier of 30cm.
Double cropping of rice plant process approximately as the sowing of: Chinese milk vetch, Chinese milk vetch turn over returning to the field, early rice basal dressing, early rice transplanting,
Early rice applies tillering fertilizer, early rice applies ear manuer, early rice is gathered in, morning rice straw turns over returning to the field, late rice basal dressing, late rice is transplanted, late rice is applied
Tillering fertilizer, late rice apply ear manuer, Chinese milk vetch sowing, late rice harvesting, late rice straw-returning.Wherein, further include normal irrigation, routinely apply
Fertilizer, intermittent irrigation, Optimum.The normal irrigation is used and is held using the drowned rice field mode of former double cropping of rice plantation technique
The irrigation method of continuous waterflooding except 7-10 days tiller later period holding field no water layer and is not poured water in addition to dry field, remaining period field face
It pours water immediately after no water layer, water irrigating depth is controlled in 30-40mm.The conventional fertilizer application plants the fertilising of technique using former double cropping of rice
Mode, i.e., double morning in seasons, late rice nitrogenous fertilizer (N) dosage are 210kg/hm2, by base manure, tillering fertilizer, ear manuer 3 times applications, dosage is respectively
75kg/hm2、75kg/hm2、60kg/hm2；Phosphate fertilizer (P2O5) dosage 75kg/hm2, make base manure and applied before rice cultivation；Potash fertilizer
(K2O) dosage is 180kg/hm2, by base manure, ear manuer 2 times applications, dosage is respectively 75kg/hm2、105kg/hm2.Base manure in
It applies within plantation first 1 day, tillering fertilizer is applied for 7-10 days after transplanting, and booting fertilizer is applied when (remainder leaf number 2) 35-40 days after transplanting
With.
Embodiment 1
1. Green manuring and returning to the field
For the rice field of lift Tian Houwei rice cultivation, in completion of works current year September sowing Chinese milk vetch on the 30th, kind is " remaining
Jiang great Ye ", application rate 30kg/hm2, Chinese milk vetch fresh grass transplants in rear stubble early rice and turns over returning to the field, returning to the field amount (fresh weight) in first 15 days
For 22.6t/hm2, turned over by the way of tractor rotary tillage, should reach not after turning over keeps green manure plant exposed；
Measuring dry matter content in Chinese milk vetch fresh grass is 9.8%, and dry weight nutrient content is full nitrogen 2.9%, and content of tatal phosphorus is
0.3%, full potassium content is 4.4%.
2. straw-returning
Early late rice mechanical harvesting returning total stalks into fields sprays stalk corrosive agent when early rice straw-returning.Early, late rice uses machine
Tool harvest is manually sowed uniformly, is buried when season farming with tractor rotary tillage after by straw mincing and returning to the field when harvesting；
The dry matter for measuring morning and evening rice straw is 5.9t/hm2And 6.3t/hm2, dry weight nutrient content is respectively carbon 38.9%
With 39.5%, nitrogen 0.9% and 0.8%, phosphorus 0.1% and 0.2%, potassium 2.1% and 2.3%.
3. irrigating
The implantation methods use intermittent irrigation.The intermittent irrigation that collection rain light irrigation is respectively adopted in early, late rice and interval control fills
Mode.Intermittent irrigation is overall according to water of every filling, and after it is consumed naturally, field face is in moisture state, then fills next water, accomplishes
Water loses preceding water afterwards, and being formed has water layer for several days, several days no water layers, constitutes carbonated drink and moistens alternately and repeatedly, shallow, wet, dry flexibly to adjust
The Irrigation of section.
Early rice collects rain light irrigation mode: i.e. the Irrigation that stores deeply of alternation of wetting and drying, light irrigation, in rice striking root phase holding 10-
40mm water layer, late tillering state dry field 7-10 days, the stage of yellow ripeness fall dry naturally, remaining stage pours water water depth up to 30-40mm, rainfall
When collected water storage layer depth 50-60mm, until 80% or so (soil that water layer runs out of and soil moisture content is made to drop to saturated aqueous rate
Heavy real, foot is stepped on and is not fallen into, Tian Biancheng chicken feet crack) Shi Zaici pours water, so carry out repeatedly alternation of wetting and drying；Also that is, before tiller,
Under the conditions of later period and milk stage are without rain, generally poured water every 7-10 days primary, forming field after pouring water every time has water layer 4-5 days,
No water layer 3-5 days；The Deficiency Xn Rice Plants water sensitive phase such as jointing-booting stage and full heading time, using slight interval, i.e. water-cut-off is
1-3 days.
Late rice interval control filling mode: 10-30mm water layer, late tillering state dry field 7-10 days, yellow maturity are kept in the rice striking root phase
Phase falls dry naturally.Remaining stage pours water after the no water layer of field face for 5-8 days under the conditions of no rain, and water irrigating depth controls 30-
50mm, forming field after pouring water every time has water layer 4-5 days, no water layer 2-3 days, is repeated.
4. fertilising
Double morning in seasons, late rice nitrogenous fertilizer (N) dosage are 210kg/hm2, by base manure, tillering fertilizer, ear manuer 3 times applications, dosage difference
For 75kg/hm2、75kg/hm2、60kg/hm2；Phosphate fertilizer (P2O5) dosage 75kg/hm2, make base manure and applied before rice cultivation；Potash fertilizer
(K2O) dosage is 180kg/hm2, by base manure, ear manuer 2 times applications, dosage is respectively 75kg/hm2、105kg/hm2.Base manure in
It applies within plantation first 1 day, tillering fertilizer is applied on the 7th day after transplanting, and booting fertilizer is applied on the 40th day after transplanting.
Embodiment 2
1. Green manuring and returning to the field
The rice field for restoring plantation 1 year for lift Tian Houyi, in sowing on October 3rd, 1 the Chinese milk vetch for restoring plantation, kind
For " Yujiang County great Ye ", application rate 30kg/hm2, Chinese milk vetch fresh grass transplants in rear stubble early rice and turns over returning to the field, returning to the field amount in first 18 days
(fresh weight) is 22.8t/hm2, turned over by the way of tractor rotary tillage, should reach not after turning over keeps green manure plant exposed；
Measuring dry matter content in Chinese milk vetch fresh grass is 10.1%, and dry weight nutrient content is full nitrogen 2.9%, and content of tatal phosphorus is
0.3%, full potassium content is 4.2%.
2. straw-returning
Early late rice mechanical harvesting returning total stalks into fields sprays stalk corrosive agent when early rice straw-returning.Early, late rice uses machine
Tool harvest is manually sowed uniformly, is buried when season farming with tractor rotary tillage after by straw mincing and returning to the field when harvesting；
The dry matter for measuring morning and evening rice straw is 6.0t/hm2And 6.2t/hm2, dry weight nutrient content is respectively carbon 38.8%
With 39.4%, nitrogen 0.9% and 0.9%, phosphorus 0.2% and 0.2%, potassium 2.2% and 2.3%.
3. irrigating
The implantation methods use intermittent irrigation.The intermittent irrigation that collection rain light irrigation is respectively adopted in early, late rice and interval control fills
Mode.Intermittent irrigation is overall according to water of every filling, and after it is consumed naturally, field face is in moisture state, then fills next water, accomplishes
Water loses preceding water afterwards, and being formed has water layer for several days, several days no water layers, constitutes carbonated drink and moistens alternately and repeatedly, shallow, wet, dry flexibly to adjust
The Irrigation of section.
Early rice collects rain light irrigation mode: i.e. the Irrigation that stores deeply of alternation of wetting and drying, light irrigation, in rice striking root phase holding 10-
40mm water layer, late tillering state dry field 7-10 days, the stage of yellow ripeness fall dry naturally, remaining stage pours water water depth up to 30-40mm, rainfall
When collected water storage layer depth 50-60mm, until 80% or so (soil that water layer runs out of and soil moisture content is made to drop to saturated aqueous rate
Heavy real, foot is stepped on and is not fallen into, Tian Biancheng chicken feet crack) Shi Zaici pours water, so carry out repeatedly alternation of wetting and drying；Also that is, before tiller,
Under the conditions of later period and milk stage are without rain, generally poured water every 7-10 days primary, forming field after pouring water every time has water layer 4-5 days,
No water layer 3-5 days；The Deficiency Xn Rice Plants water sensitive phase such as jointing-booting stage and full heading time, using slight interval, i.e. water-cut-off is
1-3 days.
Late rice interval control filling mode: 10-30mm water layer, late tillering state dry field 7-10 days, yellow maturity are kept in the rice striking root phase
Phase falls dry naturally.Remaining stage pours water after the no water layer of field face for 5-8 days under the conditions of no rain, and water irrigating depth controls 30-
50mm, forming field after pouring water every time has water layer 4-5 days, no water layer 2-3 days, is repeated.
4. fertilising
Double morning in seasons, late rice nitrogenous fertilizer (N) dosage are 195kg/hm2, by base manure, tillering fertilizer, ear manuer 3 times applications, dosage difference
For 66kg/hm2、72kg/hm2、57kg/hm2；Phosphate fertilizer (P2O5) dosage 75kg/hm2, make base manure and applied before rice cultivation；Potash fertilizer
(K2O) dosage is 165kg/hm2, by base manure, ear manuer 2 times applications, dosage is respectively 66kg/hm2、99kg/hm2.Base manure is in cultivation
It applies within kind first 1 day, tillering fertilizer is applied on the 9th day after transplanting, and booting fertilizer is applied on the 38th day after transplanting.
Embodiment 3
1. Green manuring and returning to the field
The rice field for restoring plantation 4 years for lift Tian Houyi, in sowing on October 1st, 1 the Chinese milk vetch for restoring plantation, kind
For " Yujiang County great Ye ", application rate 30kg/hm2, Chinese milk vetch fresh grass transplants in rear stubble early rice and turns over returning to the field, returning to the field amount in first 15 days
(fresh weight) is 22.9t/hm2, turned over by the way of tractor rotary tillage, should reach not after turning over keeps green manure plant exposed；
Measuring dry matter content in Chinese milk vetch fresh grass is 10.3%, and dry weight nutrient content is full nitrogen 3.3%, and content of tatal phosphorus is
0.3%, full potassium content is 4.4%.
2. straw-returning
Early late rice mechanical harvesting returning total stalks into fields sprays stalk corrosive agent when early rice straw-returning.Early, late rice uses machine
Tool harvest is manually sowed uniformly, is buried when season farming with tractor rotary tillage after by straw mincing and returning to the field when harvesting；
The dry matter for measuring morning and evening rice straw is 5.9t/hm2And 6.1t/hm2, dry weight nutrient content is respectively carbon 39.8%
With 39.9%, nitrogen 0.9% and 0.8%, phosphorus 0.1% and 0.2%, potassium 2.1% and 2.4%.
3. irrigating
The implantation methods use intermittent irrigation.The intermittent irrigation that collection rain light irrigation is respectively adopted in early, late rice and interval control fills
Mode.Intermittent irrigation is overall according to water of every filling, and after it is consumed naturally, field face is in moisture state, then fills next water, accomplishes
Water loses preceding water afterwards, and being formed has water layer for several days, several days no water layers, constitutes carbonated drink and moistens alternately and repeatedly, shallow, wet, dry flexibly to adjust
The Irrigation of section.
Early rice collects rain light irrigation mode: i.e. the Irrigation that stores deeply of alternation of wetting and drying, light irrigation, in rice striking root phase holding 10-
40mm water layer, late tillering state dry field 7-10 days, the stage of yellow ripeness fall dry naturally, remaining stage pours water water depth up to 30-40mm, rainfall
When collected water storage layer depth 50-60mm, until 80% or so (soil that water layer runs out of and soil moisture content is made to drop to saturated aqueous rate
Heavy real, foot is stepped on and is not fallen into, Tian Biancheng chicken feet crack) Shi Zaici pours water, so carry out repeatedly alternation of wetting and drying；Also that is, before tiller,
Under the conditions of later period and milk stage are without rain, generally poured water every 7-10 days primary, forming field after pouring water every time has water layer 4-5 days,
No water layer 3-5 days；The Deficiency Xn Rice Plants water sensitive phase such as jointing-booting stage and full heading time, using slight interval, i.e. water-cut-off is
1-3 days.
Late rice interval control filling mode: 10-30mm water layer, late tillering state dry field 7-10 days, yellow maturity are kept in the rice striking root phase
Phase falls dry naturally.Remaining stage pours water after the no water layer of field face for 5-8 days under the conditions of no rain, and water irrigating depth controls 30-
50mm, forming field after pouring water every time has water layer 4-5 days, no water layer 2-3 days, is repeated.
4. fertilising
Double morning in seasons, late rice nitrogenous fertilizer (N) dosage are 180kg/hm2, by base manure, tillering fertilizer, ear manuer 3 times applications, dosage difference
For 57kg/hm2、69kg/hm2、54kg/hm2；Phosphate fertilizer (P2O5) dosage 75kg/hm2, make base manure and applied before rice cultivation；Potash fertilizer
(K2O) dosage is 150kg/hm2, by base manure, ear manuer 2 times applications, dosage is respectively 57kg/hm2、93kg/hm2.Base manure is in cultivation
It applies within kind first 1 day, tillering fertilizer is applied on the 5th day after transplanting, and booting fertilizer is applied on the 38th day after transplanting.
Comparative example 1
Comparative example is not compared with Example 1 compared with carrying out Chinese milk vetch returning to the field and stalk also using identical implantation methods, and
Field, while using drowned rice field and conventional fertilizer application mode.
1. irrigating
Using the irrigation method of continuously submerging, that is, remove 7-10 days tiller later period holding field no water layer and dry field of not pouring water
Outside, it pours water immediately after remaining period field face no water layer, water irrigating depth is controlled in 30-40mm.
2. fertilising
Double morning in seasons, late rice nitrogenous fertilizer (N) dosage are 210kg/hm2, by base manure, tillering fertilizer, ear manuer 3 times applications, dosage difference
For 75kg/hm2、75kg/hm2、60kg/hm2；Phosphate fertilizer (P2O5) dosage 75kg/hm2, make base manure and applied before rice cultivation；Potash fertilizer
(K2O) dosage is 180kg/hm2, by base manure, ear manuer 2 times applications, dosage is respectively 75kg/hm2、105kg/hm2.Base manure in
It applies within plantation first 1 day, tillering fertilizer is applied on the 8th day after transplanting, and booting fertilizer is applied at the 37th day after transplanting.
Implement yield and compares (unit: kg/hm2)
| Rice season | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Early rice | 7200.34 | 7225.66 | 7125.39 | 7096.22 |
| Late rice | 7997.92 | 8087.31 | 7962.95 | 7825.44 |
In conclusion the invention has the following advantages that
1. the present invention proposes to be suitable for the water-saving fertilizer-saving high-yield culturing management mode lifted field type and newly renovate paddy rice production, real
The short-term recovery of farmland regulation ensuing crop yield is showed and has been promoted.
2. the present invention makes full use of Chinese milk vetch returning to the field and tangerine stalk returning to the field technology to improve the area Tai Tian Soil Nutrients in Paddy Field and recovery
Soil productivity realizes the sustainable development of resource recycled with agricultural planting, can to avoid rice straw burning, thus
Reduce the pollution to atmosphere.
3. the present invention can effectively promote new regulation rice field liquid manure utilization efficiency, saves irrigation water, reduces chemical fertilizer investment,
It can effectively reduce the loss of agricultural area source pollutants nitrogen phosphorus, to mitigate the pollution to water environment.
It is understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this
Technical solution described in inventive embodiments.Those skilled in the art should understand that still can be carried out to the present invention
Modification or equivalent replacement, to reach identical technical effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (5)
1. a kind of double cropping of rice implantation methods promoted based on new regulation Paddy Output, it is characterised in that: the implantation methods include
Green manure returning to the field, straw-returning and the water and fertilizer management of optimization mode.
2. the double cropping of rice implantation methods according to claim 1 promoted based on new regulation Paddy Output, it is characterised in that: institute
Green manure returning to the field is stated using Chinese milk vetch as green manure type, application rate 30kg/hm2, the sowing time is annual late September to 10
The first tenday period of a month moon, Chinese milk vetch fresh grass turn over returning to the field for 15-20 days before the transplanting of rear stubble early rice, and the returning to the field amount of the Chinese milk vetch fresh grass is
22.5-30.0t/hm2。
3. the double cropping of rice implantation methods according to claim 1 promoted based on new regulation Paddy Output, it is characterised in that: institute
State straw-returning be by the straw-returning of early late rice mechanical harvesting, and in early rice straw-returning spray stalk corrosive agent；It is described
Harvesting returning total stalks into fields in straw-returning.
4. the double cropping of rice implantation methods according to claim 1 promoted based on new regulation farmland yield, it is characterised in that: institute
Stating implantation methods further includes intermittent irrigation, and the intermittent irrigation is according to water of every filling, and after it is consumed naturally, field face is in wet
Profit state, then next water is filled, accomplish that rear water loses preceding water, being formed has water layer for several days, several days no water layers, constitutes carbonated drink and moistens anti-
Complex Alternating.
5. the double cropping of rice implantation methods according to claim 1 promoted based on new regulation farmland yield, it is characterised in that: institute
Stating implantation methods further includes quantitative fertilization.
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Cited By (1)
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| CN114660268A (en) * | 2022-03-22 | 2022-06-24 | 中铁水利水电规划设计集团有限公司 | Water retaining layer seepage monitoring system for farmland of farmland lifting area of reservoir inundation area |
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| CN114660268A (en) * | 2022-03-22 | 2022-06-24 | 中铁水利水电规划设计集团有限公司 | Water retaining layer seepage monitoring system for farmland of farmland lifting area of reservoir inundation area |
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