CN102860232A - Method for greening barren hills - Google Patents
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- CN102860232A CN102860232A CN201210360488XA CN201210360488A CN102860232A CN 102860232 A CN102860232 A CN 102860232A CN 201210360488X A CN201210360488X A CN 201210360488XA CN 201210360488 A CN201210360488 A CN 201210360488A CN 102860232 A CN102860232 A CN 102860232A
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Abstract
The invention discloses a method for greening barren hills. The main points of the technical scheme are as follows: planting perennial plantlings in an integrated afforestation nutrition pot; forming holes on the barren hills needing to be greened; and directly putting the integrated afforestation nutrition pot with survival perennial plants to the holes, wherein the integrated afforestation nutrition pot can provide nutrients and water for normal growth and development in order to green the barren hill; the method for greening barren hills can get benefits for many years due to one-time construction and achieve long-term greening effect. The integrated afforestation nutrition pot contains lots of organic and inorganic elements such as nitrogen, phosphorus and potassium, and various trace elements, provides necessary nutrients for plant growth, is benefit for the plant to grow and develop normally and enables the root system to enter the nutrition pot easily so as to fully absorb effective nutrients of the nutrition pot. The method for greening barren hills is suitable for greening barren hills, desert and saline-alkali soils in a large area.
Description
Technical field
The present invention relates to the greening field, be specifically related to a kind of method of green barren hill.
Background technology
Because the impact of the factors such as weather, environment, humanity, there are a large amount of bare hills and mountains in China some areas, severe water and soil erosion, the dust storm, the sandstorm that sweep from areas such as northwest and the Inner Mongol, wreaked havoc Beijing-Tianjin, and having had influence on the ground such as Nanjing, Hangzhou, recovery deserted mountain, Gobi desert vegetation is very urgent.
The method of green barren hill is more, and it is the method for commonly using that afforestation and vegetation cover, but the large-area green barren hill that carries out, the practice of construction difficulty is large, affected by the external environment unfavorable factor many, and the afforestation vegetation coverage rate is lower.
Vegetation covers needs a large amount of nutritive cubes to cultivate seedling, nutritive cube should be a kind of alms bowl shape thing that contains more multiple nutriment, but the nutritive cube of using in the market mostly is greatly the plastic nutritional alms bowl, the plastic nutritional alms bowl does not have the needed nutrient component of plant and does not have water retaining function, it is a kind of container, because a large amount of black plastic nutritive cubes that use have caused serious environmental pollution.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of method of green barren hill is provided.
A kind of method of green barren hill: perennial evergreen plant seedling is planted in the integrated green barren hill nutritive cube, the place punching that need to afforest in the deserted mountain, the integrated green barren hill nutritive cube of evergreen plant that to plant first after surviving is directly put into the hole, integrated green barren hill nutritive cube is nutrition and moisture that evergreen plant provides normal growth to grow, reaches the purpose of deserted mountain greens.
Edible fungi residue, natural pond liquid, natural pond slag, cement, superphosphate, urea, potassium sulphate, ferrous sulfate, zinc sulphate, ammonium molybdate, copper sulphate, borax and manganese sulphate after the feces of livestock and poultry of ecological, environmental protective nutritive cube after by butt lake silt, river sand, high sticking Concave-convex clay rod powder, bentonite in powder, fermentation, plant stalk powder, edible fungi residue, the carbonization form.
The butt lake silt is to have adopted the mud of stacking or abandoning in the engineerings such as dredging harbour, navigation channel, lake and river, contain the elements such as a large amount of nitrogen, phosphorus, potassium in the butt lake silt, its content surpasses general soil, and these elements necessary nutrition of plant growth just, the present invention selects through the butt lake silt after pulverizing, the moisture content of butt lake silt is less than 18%, and grain fineness is less than 6 millimeters, and moisture content percentage is weight ratio.
River sand is that natural stone is under nature, active force through water collides for a long time repeatedly, fricative sand, the river sand that the present invention selects is the fine sand that does not often use in a kind of architectural engineering, this fine sand is used for the quality that the architectural engineering meeting has influence on architectural engineering, therefore, the fine sand price is very cheap, is used for gas permeability and intensity that the present invention is conducive to improve the ecological, environmental protective nutritive cube.
Concave-convex clay rod be a kind of layer of chain structure contain Shuifu County's zeopan clay mineral, high sticking Concave-convex clay rod soil property is fine and smooth, water imbibition is strong, higher viscosity and the plasticity of tool when wet, be conducive to the bonding between the ecological, environmental protective nutrition pot raw material, and can adsorb heavy metal ion and carcinogen in the ecological, environmental protective nutritive cube, but also deodorizing eliminates the unusual smell, keep the nutrient component in the ecological, environmental protective nutritive cube not run off, be conducive to growing of plant.
High sticking Concave-convex clay rod powder refers to get 28.0g Concave-convex clay rod powder sample, add in the suspension cup of homogenizer, add again 372g water, the suspension cup is placed on the homogenizer, under 11000 rev/mins rotating speed, stirred 20 minutes, to pour in the beaker of 250ml through the high-speed stirred sample suspension again the viscosity of using NDJ-1 type rotation viscometer to test its suspension, tested viscosity value 〉=2200 into
MPasThe Concave-convex clay rod powder be high sticking Concave-convex clay rod powder, the height that the present invention selects glues Concave-convex clay rod powder particles fineness≤0.074 millimeter.
Bentonite in powder has strong hygroscopicity and expansibility, adsorbable 8～15 times to the water yield of own vol, volumetric expansion can reach several times even 30 times; Can be dispersed into as a form of gel and suspension in aqueous medium, this medium solution has certain viscosity, thixotropy and lubricity; Stronger cation exchange capacity (CEC) is arranged; Various gases, liquid, organic substance are had certain adsorption capacity, and maximal absorptive capacity can reach 5 times to the weight of self; The admixture of it and water, mud or fine sand has plasticity and cohesiveness, the bentonite in powder grain fineness that the present invention selects≤0.074 millimeter.
Feces of livestock and poultry after the fermentation refers to pig, ox, sheep, chicken, the feces of livestock and poultry such as duck and goose is concentrated or is fermented separately, contain abundant nutritive element and organic matter in the feces of livestock and poultry by fermentation, it is a kind of good organic fertilizer resource, can improve the utilizability nitrogen of ecological, environmental protective nutritive cube, phosphorus, potassium, organic content and the growth that promotes plant, increase the content of organic matter of ecological, environmental protective nutritive cube, improve the physicochemical property of ecological, environmental protective nutritive cube, improve the yield and quality of crop, can also kill excrement colibacillus group, roundworm egg, germ and the insects such as nematode.
Stalk is the general name of ripe crops cauline leaf (fringe) part, be often referred to wheat, paddy rice, corn, potato class, oil plant, cotton, sugarcane and other crops remainder behind the results seed, stalk is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter etc., plant stalk powder is the powder after stalk is pulverized through stalk crusher, the plant stalk powder grain fineness that the present invention selects≤1.5 millimeters.
Edible fungi residue is remaining discarded object behind the various mushrooms of cultivation, it contains protein and other nutriment, the title that " mycoprotein " arranged, contain a large amount of mycelium, the bacterium slag is loose ventilative, can in the ecological, environmental protective nutritive cube, further resolve into the humus with good ventilation, water-holding capacity, can increase the gas permeability of ecological, environmental protective nutritive cube, avoid the ecological, environmental protective nutritive cube to produce the phenomenon that hardens, the bacterium slag is rich in organic matter and multiple mineral element, can improve the ecological, environmental protective nutritive cube, increase the fertility of ecological, environmental protective nutritive cube.
Edible fungi residue after the carbonization is that edible fungi residue is carried out roasting under anaerobic condition, black edible fungi residue after the roasting is the edible fungi residue after the carbonization, contain a large amount of potash fertilizer in the edible fungi residue after the carbonization, and can further strengthen the gas permeability of ecological, environmental protective nutritive cube.
Natural pond liquid decomposes through microorganism, has killed harmful viral bacterium, contains the nutrient of various plants growth, and abundant amino acid and various somatotropin, vitamin etc. are a kind of quick-acting and the long-lasting liquid fertilizer that has both and become thoroughly decomposed.
The natural pond slag is rich in organic matter, humus, nitrogen, phosphorus, potassium, micronutrient element, several amino acids, enzyme and beneficial microbe, can play the effect of good improvement soil.
Cement is curing agent in the present invention.
Superphosphate is the phosphate fertilizer that directly makes with the sulfuric acid decomposing phosphate rock, contains effective P2O5:14～20% in the superphosphate.
Urea is white, needle-shaped crystals, and fertilizer is graininess, and is soluble in water, is neutral, nitrogen content in the urea: 46%.
Potassium sulphate is the potash fertilizer of commonly using in agricultural, contains potassium oxide in the potassium sulphate: 50%～54%.
Iron is to form the necessary element of chlorophyll, and plant just produces chlorosis during iron deficiency, and it is faint yellow that blade is, even is white, and the present invention selects ferrous sulfate.
Zinc is the component of some enzyme in the plant corpus, and zinc also is to promote that some metabolic responses are essential, and zinc generates and forms carbohydrate and is absolutely necessary for chlorophyll, and the present invention selects zinc sulphate.
The physiological function of molybdenum in plant corpus is mainly manifested in aspect the nitrogen metabolism, and molybdenum can also promote photosynthetic intensity and eliminate activated aluminum in the acid ground to accumulate in plant corpus and the toxic action that produces, and the present invention selects ammonium molybdate.
Copper has the ability that improves plant chlorophyll stability, avoids chlorophyll to wreck too early, is conducive to blade and carries out better photosynthesis, and the present invention selects copper sulphate.
Boron can promote the normal operation of carbohydrate, and the position that boron content is the highest in plant corpus is colored, so boron deficiency often shows as " colored and unreal ", and the present invention selects borax.
Manganese can promote the metabolism of carbohydrate and the metabolism of nitrogen, with growth and development of plants and output substantial connection is arranged, and the present invention selects manganese sulphate.
The present invention is achieved by following technical proposals:
1, a kind of method of green barren hill: ⑴ plants perennial evergreen plant seedling in the integrated green barren hill nutritive cube, and the integrated green barren hill nutritive cube after the evergreen plant of planting survives gives over to for subsequent use through normal maintenance; ⑵ the place punching that need to afforest in the deserted mountain, large 5～10 millimeters than integrated green barren hill nutritive cube of the diameters in hole, dark 5～30 millimeters of the integrated green barren hill nutritive cube of the depth ratio in hole height; ⑶ the integrated green barren hill nutritive cube of evergreen plant after surviving of will planting first soaked in the water 2～15 minutes, then integrated green barren hill nutritive cube is directly put into the hole, nutrition and moisture that integrated green barren hill nutritive cube provides normal growth to grow for evergreen plant, guarantee the Fast Growth of evergreen plant, improve the vegetation coverage of green barren hill, reach the purpose of deserted mountain greens;
The production method of described integrated green barren hill nutritive cube: according to the batching of integrated green barren hill nutritive cube, first ecological, environmental protective Nutrition Soil and cement are added in the two shaft pugmill mixer, again natural pond liquid is evenly added in the mixture of ecological, environmental protective Nutrition Soil and cement, after ecological, environmental protective Nutrition Soil, cement and natural pond liquid mix, be transported in the block machine through belt conveyor, be pressed into the base substrate of integrated green barren hill nutritive cube; ⑵ adopt the conventional maintenance process of cement products, base substrate to integrated green barren hill nutritive cube carries out maintenance, step after 28 days in integrated green barren hill nutritive cube groove is placed a web plate, the ecological, environmental protective Nutrition Soil is placed on web plate top, slow releasing type water retaining agent for soil is placed in the web plate bottom, is packaged as the finished product of integrated green barren hill nutritive cube;
The base substrate of described integrated green barren hill nutritive cube is a cylindrical object, 1 step groove is arranged in the cylindrical object, groove is the cylindrical space of open type, bottom portion of groove is closed base plate, place a web plate on the step in the groove, the web plate aperture is controlled at 0.5～5 millimeter, web plate is used for ecological, environmental protective Nutrition Soil and slow releasing type water retaining agent for soil are divided into two aspects, the ecological, environmental protective Nutrition Soil is placed on web plate top, be used for sowing, cuttage, the various vegetables of planting, flowers and crops, slow releasing type water retaining agent for soil is placed in the web plate bottom, is used to plant that nutrition and moisture for subsequent use is provided;
The batching of described integrated green barren hill nutritive cube is comprised of following component by weight percentage: ecological, environmental protective Nutrition Soil 50～75%, natural pond liquid 10～45% and cement 2～20%;
The batching of described ecological, environmental protective Nutrition Soil is comprised of following component by weight percentage: the edible fungi residue 1～10% after the feces of livestock and poultry 1～15% after butt lake silt 30～60%, river sand 1～15%, the fermentation, plant stalk powder 1～15%, edible fungi residue 1～10%, natural pond slag 1～10%, the carbonization, high sticking Concave-convex clay rod powder 1～10%, bentonite in powder 1～10%, inorganic fertilizer mixture 0.05～5% and trace element mixture 0.01～2%;
The moisture content of described butt lake silt≤18%, grain fineness≤6 millimeter, moisture content percentage is weight ratio;
The batching of described inorganic fertilizer mixture is comprised of following component by weight percentage: superphosphate 15～60%, urea 10～50% and potassium sulphate 5～45%;
The batching of described trace element mixture is comprised of following component by weight percentage: ferrous sulfate 0.01～25%, zinc sulphate 0.01～25%, ammonium molybdate 0.01～20%, copper sulphate 0.01～20%, borax 0.01～20% and manganese sulphate 0.01～20%.
Described slow releasing type water retaining agent for soil is comprised of Concave-convex clay rod powder, volcanic ash, high hydroscopic resin and wood chip.The batching of slow releasing type water retaining agent for soil is comprised of following component by weight percentage: Concave-convex clay rod 20～55%, volcanic ash 15～45%, high hydroscopic resin 1～40% and wood chip 5～25%.
Slow releasing type water retaining agent for soil is the patent of invention that the inventor applied on September 28th, 2005, and the license notification number is: CN 1302088C, Granted publication day is on February 28th, 2007.
Described two shaft pugmill mixer and block machine are engineering goods commonly used in the building materials industry.
The ecological, environmental protective Nutrition Soil on integrated green barren hill nutritive cube top, the nutrition and the moisture that provide plant normal growth to grow, the slow releasing type water retaining agent for soil of integrated green barren hill nutritive cube bottom is a water source for subsequent use, the root system of plant prolongs in slow releasing type water retaining agent for soil by the aperture on the web plate, draws the moisture in the slow releasing type water retaining agent for soil.
Integrated green barren hill nutritive cube after the evergreen plant of planting survives soaks in water directly put into the hole in 2～15 minutes, can not need to keep the skin wet at 15～60 days.When rainwater or after adding moisturizing and entering integrated green barren hill nutritive cube, ecological, environmental protective Nutrition Soil and slow releasing type water retaining agent for soil have obtained again replenishing of water source, can not need to keep the skin wet at 15～60 days again.
The method of green barren hill is once to construct to be benefited for many years, reaches the effect of long-term greening.
The present invention has the advantages that technique is simple, production efficiency is high and with low cost, can be at the harbour, the dredging in navigation channel, lake and river is on-the-spot, adopt the lake silt production integration green barren hill nutritive cube of having stacked or having abandoned, effectively process and take full advantage of lake silt, save a large amount of land resources, can adopt the commercialization mode that lake silt is carried out comprehensive development and utilization.
Contain Concave-convex clay rod and bentonite in the integrated green barren hill nutritive cube, can adsorb heavy metal, organic pollutant, various pathogen and parasite in the lake silt, be conducive to preserve the ecological environment, avoid surrounding enviroment are caused secondary pollution.
After flowers, vegetables or crops root in integrated green barren hill nutritive cube, can grow by normal growth, until yield positive results, greatly improved the availability of nutritive cube, reduce direct labor's labour intensity, increase Business Economic Benefit.
The nitrogen, phosphorus, potassium and the various trace elements that contain a large amount of organic-inorganics in the integrated green barren hill nutritive cube, can provide plant growth necessary nutrient component, the normal growth that is conducive to plant is grown, and is that a kind of nutrition is complete, fertilizer efficiency is high, the high-quality ecological, environmental protective nutritive cube of nontoxic, harmless and odorless.
Can the have additional nutrients porosity of alms bowl of feces of livestock and poultry, plant stalk powder and edible fungi residue in the integrated green barren hill nutritive cube, the root system of plant easily enters in the nutritive cube body, fully absorbs effective nutrient component of nutritive cube.
A kind of method of green barren hill is applicable to large-area green barren hill, desert afforestation and saline land greening.
Description of drawings
Fig. 1 is the schematic diagram of integrated green barren hill nutritive cube, and Fig. 2 is that the A of Fig. 1 is to view.
As shown in the figure: the 1st, groove top, the 2nd, step groove, the 3rd, integrated green barren hill nutritive cube, the 4th, ecological, environmental protective Nutrition Soil, the 5th, web plate, the 6th, groove bottom, the 7th, slow releasing type water retaining agent for soil, the 8th, closed base plate.
Embodiment
The invention will be further described below in conjunction with embodiment:
1, a kind of method of green barren hill: ⑴ plants perennial evergreen plant seedling in the integrated green barren hill nutritive cube, and the integrated green barren hill nutritive cube after the evergreen plant of planting survives gives over to for subsequent use through normal maintenance; ⑵ the place punching that need to afforest in the deserted mountain, large 6 millimeters than integrated green barren hill nutritive cube of the diameters in hole, dark 20 millimeters of the integrated green barren hill nutritive cube of the depth ratio in hole height; ⑶ the integrated green barren hill nutritive cube of evergreen plant after surviving of will planting first soaked in the water 10 minutes, then integrated green barren hill nutritive cube is directly put into the hole, nutrition and moisture that integrated green barren hill nutritive cube provides normal growth to grow for evergreen plant, guarantee the Fast Growth of evergreen plant, improve the vegetation coverage of green barren hill, reach the purpose of deserted mountain greens;
The production method of described integrated green barren hill nutritive cube: according to the batching of integrated green barren hill nutritive cube, first ecological, environmental protective Nutrition Soil and cement are added in the two shaft pugmill mixer, again natural pond liquid is evenly added in the mixture of ecological, environmental protective Nutrition Soil and cement, after ecological, environmental protective Nutrition Soil, cement and natural pond liquid mix, be transported in the block machine through belt conveyor, be pressed into the base substrate of integrated green barren hill nutritive cube; ⑵ adopt the conventional maintenance process of cement products, base substrate to integrated green barren hill nutritive cube carries out maintenance, step after 28 days in integrated green barren hill nutritive cube groove is placed a web plate, the ecological, environmental protective Nutrition Soil is placed on web plate top, slow releasing type water retaining agent for soil is placed in the web plate bottom, is packaged as the finished product of integrated green barren hill nutritive cube;
The base substrate of described integrated green barren hill nutritive cube 3 is cylindrical objects, 1 step groove 2 is arranged in the cylindrical object, groove 2 is the cylindrical space of open type, bottom portion of groove is closed base plate 8, place a web plate 5 on the step in the groove, web plate 5 apertures are controlled at 1.5 millimeters, and ecological, environmental protective Nutrition Soil 4 is placed on web plate top 1, and slow releasing type water retaining agent for soil 7 is placed in web plate bottom 6;
The batching of described integrated green barren hill nutritive cube is comprised of following component by weight percentage: ecological, environmental protective Nutrition Soil 60%, natural pond liquid 28% and cement 12%;
The batching of described ecological, environmental protective Nutrition Soil is comprised of following component by weight percentage: the edible fungi residue 4% after the feces of livestock and poultry 10% after butt lake silt 54%, river sand 8%, the fermentation, plant stalk powder 8%, edible fungi residue 5%, natural pond slag 4%, the carbonization, high sticking Concave-convex clay rod powder 4%, bentonite in powder 2.4%, inorganic fertilizer mixture 0.5% and trace element mixture 0.1%;
The moisture content of described butt lake silt≤18%, grain fineness≤6 millimeter, moisture content percentage is weight ratio;
The batching of described inorganic fertilizer mixture is comprised of following component by weight percentage: superphosphate 46%, urea 42% and potassium sulphate 12%;
The batching of described trace element mixture is comprised of following component by weight percentage: ferrous sulfate 20%, zinc sulphate 20%, ammonium molybdate 18%, copper sulphate 18%, borax 14% and manganese sulphate 10%.
The batching of slow releasing type water retaining agent for soil is comprised of following component by weight percentage: Concave-convex clay rod 28%, volcanic ash 18%, high hydroscopic resin 42% and wood chip 12%.
Claims (1)
1. the method for a green barren hill is characterized in that, ⑴ plants perennial evergreen plant seedling in the integrated green barren hill nutritive cube, and the integrated green barren hill nutritive cube after the evergreen plant of planting survives gives over to for subsequent use through normal maintenance; ⑵ the place punching that need to afforest in the deserted mountain, large 5～10 millimeters than integrated green barren hill nutritive cube of the diameters in hole, dark 5～30 millimeters of the integrated green barren hill nutritive cube of the depth ratio in hole height; ⑶ the integrated green barren hill nutritive cube of evergreen plant after surviving of will planting first soaked in the water 2～15 minutes, then integrated green barren hill nutritive cube is directly put into the hole, nutrition and moisture that integrated green barren hill nutritive cube provides normal growth to grow for evergreen plant, guarantee the Fast Growth of evergreen plant, improve the vegetation coverage of green barren hill, reach the purpose of deserted mountain greens;
The production method of described integrated green barren hill nutritive cube: according to the batching of integrated green barren hill nutritive cube, first ecological, environmental protective Nutrition Soil and cement are added in the two shaft pugmill mixer, again natural pond liquid is evenly added in the mixture of ecological, environmental protective Nutrition Soil and cement, after ecological, environmental protective Nutrition Soil, cement and natural pond liquid mix, be transported in the block machine through belt conveyor, be pressed into the base substrate of integrated green barren hill nutritive cube; ⑵ adopt the conventional maintenance process of cement products, base substrate to integrated green barren hill nutritive cube carries out maintenance, step after 28 days in integrated green barren hill nutritive cube groove is placed a web plate, the ecological, environmental protective Nutrition Soil is placed on web plate top, slow releasing type water retaining agent for soil is placed in the web plate bottom, is packaged as the finished product of integrated green barren hill nutritive cube;
The base substrate of described integrated green barren hill nutritive cube is a cylindrical object, 1 step groove is arranged in the cylindrical object, groove is the cylindrical space of open type, bottom portion of groove is closed base plate, place a web plate on the step in the groove, the web plate aperture is controlled at 0.5～5 millimeter, web plate is used for ecological, environmental protective Nutrition Soil and slow releasing type water retaining agent for soil are divided into two aspects, the ecological, environmental protective Nutrition Soil is placed on web plate top, be used for sowing, cuttage, the various vegetables of planting, flowers and crops, slow releasing type water retaining agent for soil is placed in the web plate bottom, is used to plant that nutrition and moisture for subsequent use is provided;
The batching of described integrated green barren hill nutritive cube is comprised of following component by weight percentage: ecological, environmental protective Nutrition Soil 50～75%, natural pond liquid 10～45% and cement 2～20%;
The batching of described ecological, environmental protective Nutrition Soil is comprised of following component by weight percentage: the edible fungi residue 1～10% after the feces of livestock and poultry 1～15% after butt lake silt 30～60%, river sand 1～15%, the fermentation, plant stalk powder 1～15%, edible fungi residue 1～10%, natural pond slag 1～10%, the carbonization, high sticking Concave-convex clay rod powder 1～10%, bentonite in powder 1～10%, inorganic fertilizer mixture 0.05～5% and trace element mixture 0.01～2%;
The moisture content of described butt lake silt≤18%, grain fineness≤6 millimeter, moisture content percentage is weight ratio;
The batching of described inorganic fertilizer mixture is comprised of following component by weight percentage: superphosphate 15～60%, urea 10～50% and potassium sulphate 5～45%;
The batching of described trace element mixture is comprised of following component by weight percentage: ferrous sulfate 0.01～25%, zinc sulphate 0.01～25%, ammonium molybdate 0.01～20%, copper sulphate 0.01～20%, borax 0.01～20% and manganese sulphate 0.01～20%;
High sticking Concave-convex clay rod powder refers to get 28.0g Concave-convex clay rod powder sample, add in the suspension cup of homogenizer, add again 372g water, the suspension cup is placed on the homogenizer, under 11000 rev/mins rotating speed, stirred 20 minutes, to pour in the beaker of 250ml through the high-speed stirred sample suspension again the viscosity of using NDJ-1 type rotation viscometer to test its suspension, tested viscosity value 〉=2200 into
MPasThe Concave-convex clay rod powder be high sticking Concave-convex clay rod powder, the height that the present invention selects glues Concave-convex clay rod powder particles fineness≤0.074 millimeter.
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| CN105085095A (en) * | 2015-09-30 | 2015-11-25 | 河南科技大学 | Preparation method, use method, and material of soluble chemical fertilizer slow release device |
| CN105210648A (en) * | 2015-10-29 | 2016-01-06 | 云南省农业科学院农业环境资源研究所 | A kind of plant Li implantation methods of intercepting dike water conservation drought resisting high yield |
| CN106171611A (en) * | 2016-08-26 | 2016-12-07 | 北京顺景园林有限公司 | A kind of Novel tree pond module and the method building tree pond thereof |
| CN108029467A (en) * | 2017-12-19 | 2018-05-15 | 四川省农业科学院生物技术核技术研究所 | Herpetospermum pedunculosum sustained release seedling growing block and preparation method thereof |
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| CN111018386A (en) * | 2019-12-23 | 2020-04-17 | 武汉理工大学 | Functional slow-release type core-shell lightweight aggregate and preparation method thereof |
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