CN104098381A - Water-retaining and yield-increasing slow release compound fertilizer - Google Patents

Abstract

The invention relates to the field of compound fertilizers, in particular to a water-retaining and yield-increasing slow release compound fertilizer. The fertilizer is prepared from the following raw materials by weight part: 10-15 of 1250-2000 mesh diatomite, 5-6 of calcium chloride, 4-5 of sodium borate, 18-20 of potassium citrate, 23-25 of urea, 20-25 of diammonium phosphate, 15-18 of a crop leftover fermentation broth, 4-5 of livestock blood plasma, 10-12 of vinegar residue, 1-3 of egg shell powder, 2-3 of Galium aparine, 1-2 of szechwan chinaberry fruit powder, 2-3 of soybean peptide powder, 6-8 of earthworm feces, 4-5 of dry corn ear, 1-2 of sodium methyl parahydroxybenzoate, 10-12 of crosslinked polyvinylpyrrolidone, 3-4 of methyl methacrylate, 4-5 of butyl acrylate, 1-2 of sodium dodecylbenzene sulfonate, 0.1-0.2 of ammonium persulfate, 2-4 of medical stone powder, 6-8 of polymeric ferric silicate sulfate, and 4-5 of an assistant. The compound fertilizer provided by the invention has the characteristics of multielement nutrient, low cost, dual slow release coating, more lasting fertilizer efficiency, water-retaining and drought resistant ability, and no destruction of soil ecological environment, and is a novel green and efficient compound fertilizer, which can significantly enhance the crop yield and quality and increase economic benefits in practical application.

Description

A kind of water conservation volume increase slow-release compound fertilizer

Technical field

The present invention relates to compound manure field, be specifically related to a kind of water conservation volume increase slow-release compound fertilizer.

Background technology

In modern agricultural production, the figure of the composite fertilizer that is seen everywhere, it has, and nutrient content is high, minor component is few, utilization rate of fertilizer is high, the advantages such as convenient are used in storage, is promoting to play the part of important role aspect higher yield of crops stable yields.Slow-release compound fertilizer is a kind of important classification in composite fertilizer, the research emphasis of Ye Shi China Growth of Chemical Fertilizer Industry, its slowly-releasing principle is the hydrophobic substance at the coated thin layer in fertiliser granulates surface, thereby inner nutrient is discharged in soil slowly, constantly to farm crop, supply with nutrient, effectively raise the utilization ratio of fertilizer.Yet also there is certain shortcoming in existing slow-release compound fertilizer, be mainly manifested in nutrients ratio relatively fixing, be difficult to meet the different demands of all kinds of soil and all kinds of crops; Slow release effect is not fully up to expectations, does not mate, thereby reduced fertilizer efficiency with crop growth demand, affects plant growth, causes the underproduction reduction of income.

Summary of the invention

The object of the invention is to provide the slow-release compound fertilizer of a kind of low cost, efficient, environmental protection, and to achieve these goals, the technical solution used in the present invention is as follows:

A kind of water conservation volume increase slow-release compound fertilizer, it is characterized in that, this fertilizer is made by the raw material of following weight part: 1250-2000 order diatomite 10-15, calcium chloride 5-6, Sodium Tetraborate 4-5, Tripotassium Citrate 18-20, urea 23-25, diammonium phosphate 20-25, crops leftovers fermented liquid 15-18, livestock blood slurry 4-5, vinegar grain 10-12, egg shell powder 1-3, Tender Catchweed Bedstraw Herb 2-3, Szechwan Chinaberry Fruit powder 1-2, soy peptide powder 2-3, earthworm ight soil 6-8, dry mealie 4-5, Sodium Methyl Hydroxybenzoate 1-2, cross-linked polyvinylpyrrolidone 10-12, methyl methacrylate 3-4, butyl acrylate 4-5, Sodium dodecylbenzene sulfonate 1-2, ammonium persulphate 0.1-0.2, medical stone powder 2-4, poly-silicic acid iron sulfate 6-8, auxiliary agent 4-5, described auxiliary agent is made by the raw material of following weight part: vermiculite power 14-15, borax 2-3, calcium amino acid chelate 1-2, manganese citrate 1-2, zinc citrate 1-2, methyl methacrylate 4-6, subtilis viable bacteria powder 2-3, organic chelated titanium 0.1-0.15, ammonium persulphate 1-2, water is appropriate, preparation method is: by vermiculite power, borax is incorporated in water, stir, add again organic chelated titanium, zinc citrate, methyl methacrylate, be heated to 70-80 ℃, stirring reaction 30-45 minute, be cooled to 20-35 ℃, add other remaining component, stirring reaction 20-30 minute, cooling, dry and get final product.

Described a kind of water conservation volume increase slow-release compound fertilizer, its production stage is as follows:

(1) by mixing with livestock blood slurry, vinegar grain after Tender Catchweed Bedstraw Herb, the pulverizing of dry mealie, add appropriate water, at anaerobism normal temperature condition bottom fermentation 4-5d, compound is standby;

(2) diatomite is mixed with crops leftovers fermented liquid, grind 20-30min, make diatomite slurry, with stirring arm material limit, back, add poly-silicic acid iron sulfate, poly-silicic acid iron sulfate adds medical stone powder after adding, and stirs 10-15min, then adds soy peptide powder, after stirring, mixture anhydrates dryly, makes diatomite coating material;

(3) methyl methacrylate, butyl acrylate, Sodium dodecylbenzene sulfonate are mixed and add appropriate deionized water, after being stirred to material and disperseing completely, add ammonium persulphate, cross-linked polyvinylpyrrolidone, Szechwan Chinaberry Fruit powder, dispersed with stirring 20-30min, makes slow release coating agent standby;

(4) other leftover materials are mixed with step (1), (2) gained material; drop into granulation in tablets press; and spraying slow release coating agent prepared by step (3) at the particle surface making, the particle after coating is cooling through warm air drying, room temperature, gets product.

Beneficial effect of the present invention is: formula Raw wide material sources, take full advantage of common raw material in daily life production, and when reducing production costs, improved the single fixing phenomenon of conventional composite fertilizer nutrient; In production technique, utilize the heat and the gas that in medical stone powder and poly-silicic acid iron sulfate process, produce can promote the good nutrition absorption in diatomite and raw material, reach stable covered effect; The slow release coating agent obtaining with mixed raw materials such as methyl methacrylate, butyl acrylate, cross-linked polyvinylpyrrolidones, has good water-holding slow-release ability, and wherein coated Szechwan Chinaberry Fruit powder also has certain insecticidal and antibacterial effect; Composite fertilizer prepared by the present invention utilizes diatomite and slow release coating agent nutrient to be formed dual coated, nutrient is difficult for running off, fertilizer efficiency is more lasting, have water conservation drought-resistant ability concurrently, can meet each growth period desired nutritional of crop, and spoiled soil ecotope not, be a kind of composite fertilizer of novel green high-efficient, can improve significantly crop yield and quality in actual applications, increase economic efficiency.

Embodiment

Embodiment

The compound manure of the present embodiment by following weight part (kilogram) raw material make: 2000 order diatomite 15, calcium chloride 6, Sodium Tetraborate 5, Tripotassium Citrate 20, urea 25, diammonium phosphate 25, crops leftovers fermented liquid 15, livestock blood slurry 5, vinegar grain 12, egg shell powder 2, Tender Catchweed Bedstraw Herb 3, Szechwan Chinaberry Fruit powder 1, soy peptide powder 3, earthworm ight soil 8, dry mealie 4, Sodium Methyl Hydroxybenzoate 2, cross-linked polyvinylpyrrolidone 12, methyl methacrylate 4, butyl acrylate 5, Sodium dodecylbenzene sulfonate 2, ammonium persulphate 0.1, medical stone powder 4, poly-silicic acid iron sulfate 8, auxiliary agent 5, described auxiliary agent by following weight part (kilogram) raw material make: vermiculite power 14, borax 3, calcium amino acid chelate 1, manganese citrate 2, zinc citrate 2, methyl methacrylate 4, subtilis viable bacteria powder 2, organic chelated titanium 0.1, ammonium persulphate 2, water is appropriate, preparation method is: by vermiculite power, borax is incorporated in water, stir, add again organic chelated titanium, zinc citrate, methyl methacrylate, be heated to 70-80 ℃, stirring reaction 30-45 minute, be cooled to 20-35 ℃, add other remaining component, stirring reaction 20-30 minute, cooling, dry and get final product.

Composite fertilizer's production stage of the present embodiment is as follows:

(1) by mixing with livestock blood slurry, vinegar grain after Tender Catchweed Bedstraw Herb, the pulverizing of dry mealie, add appropriate water, at anaerobism normal temperature condition bottom fermentation 5d, compound is standby;

(2) diatomite is mixed with crops leftovers fermented liquid, grind 30min, make diatomite slurry, with stirring arm material limit, back, add poly-silicic acid iron sulfate, poly-silicic acid iron sulfate adds medical stone powder after adding, and stirs 15min, then adds soy peptide powder, after stirring, mixture anhydrates dryly, makes diatomite coating material;

(3) methyl methacrylate, butyl acrylate, Sodium dodecylbenzene sulfonate are mixed and add appropriate deionized water, after being stirred to material and disperseing completely, add ammonium persulphate, cross-linked polyvinylpyrrolidone, Szechwan Chinaberry Fruit powder, dispersed with stirring 30min, makes slow release coating agent standby;

(4) other leftover materials are mixed with step (1), (2) gained material; drop into granulation in tablets press; and spraying slow release coating agent prepared by step (3) at the particle surface making, the particle after coating is cooling through warm air drying, room temperature, gets product.

The present embodiment soybean planting implement, choose respectively two areas and be 3 mu experimental field, be labeled as respectively test group and control group, test group is used the present embodiment composite fertilizer, control group is used conventional composite fertilizer, all fertilizer is all as base manure applied once, the mu amount of executing is 45Kg, later stage no longer topdresses, two soybean varieties experimental field, daily administration is all identical, treat the harvest season, test group mu Yield of Soybean amount improves 21.3% compared with control group, hundred counterpoises improve 7.8%, benefit per mu improves 19.4%, and test group soybean strain stem is sturdy, many of pods are full, disease and pest incidence is low compared with control group, drought-resistant ability is stronger.

Claims (2)

1. a water conservation increases production slow-release compound fertilizer, it is characterized in that, this fertilizer is made by the raw material of following weight part: 1250-2000 order diatomite 10-15, calcium chloride 5-6, Sodium Tetraborate 4-5, Tripotassium Citrate 18-20, urea 23-25, diammonium phosphate 20-25, crops leftovers fermented liquid 15-18, livestock blood slurry 4-5, vinegar grain 10-12, egg shell powder 1-3, Tender Catchweed Bedstraw Herb 2-3, Szechwan Chinaberry Fruit powder 1-2, soy peptide powder 2-3, earthworm ight soil 6-8, dry mealie 4-5, Sodium Methyl Hydroxybenzoate 1-2, cross-linked polyvinylpyrrolidone 10-12, methyl methacrylate 3-4, butyl acrylate 4-5, Sodium dodecylbenzene sulfonate 1-2, ammonium persulphate 0.1-0.2, medical stone powder 2-4, poly-silicic acid iron sulfate 6-8, auxiliary agent 4-5, described auxiliary agent is made by the raw material of following weight part: vermiculite power 14-15, borax 2-3, calcium amino acid chelate 1-2, manganese citrate 1-2, zinc citrate 1-2, methyl methacrylate 4-6, subtilis viable bacteria powder 2-3, organic chelated titanium 0.1-0.15, ammonium persulphate 1-2, water is appropriate, preparation method is: by vermiculite power, borax is incorporated in water, stir, add again organic chelated titanium, zinc citrate, methyl methacrylate, be heated to 70-80 ℃, stirring reaction 30-45 minute, be cooled to 20-35 ℃, add other remaining component, stirring reaction 20-30 minute, cooling, dry and get final product.

2. a kind of water conservation as claimed in claim 1 increases production slow-release compound fertilizer, and its production stage is as follows:

(1) by mixing with livestock blood slurry, vinegar grain after Tender Catchweed Bedstraw Herb, the pulverizing of dry mealie, add appropriate water, at anaerobism normal temperature condition bottom fermentation 4-5d, compound is standby;

(2) diatomite is mixed with crops leftovers fermented liquid, grind 20-30min, make diatomite slurry, with stirring arm material limit, back, add poly-silicic acid iron sulfate, poly-silicic acid iron sulfate adds medical stone powder after adding, and stirs 10-15min, then adds soy peptide powder, after stirring, mixture anhydrates dryly, makes diatomite coating material;

(3) methyl methacrylate, butyl acrylate, Sodium dodecylbenzene sulfonate are mixed and add appropriate deionized water, after being stirred to material and disperseing completely, add ammonium persulphate, cross-linked polyvinylpyrrolidone, Szechwan Chinaberry Fruit powder, dispersed with stirring 20-30min, makes slow release coating agent standby;

(4) other leftover materials are mixed with step (1), (2) gained material; drop into granulation in tablets press; and spraying slow release coating agent prepared by step (3) at the particle surface making, the particle after coating is cooling through warm air drying, room temperature, gets product.