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Special slow control/release compound fertilizer for eggplant and preparation method thereof

A special fertilizer and eggplant technology, applied in the field of slow-controlled slow-release compound fertilizer and its preparation, can solve the problems of digestive tract canceration, air pollution, environmental pollution, etc., reduce fertilizer usage and fertilization frequency, improve eggplant quality, The effect of reducing environmental pollution

Active Publication Date: 2015-06-24
SOUTHWEST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the fertilizers used on eggplant in the market are mainly traditional fertilizer varieties, such as elemental urea, superphosphate, potassium chloride or nitrogen, phosphorus and potassium ternary compound fertilizers, etc., which generally do not contain medium and trace elements. Not only are the fertilizers poorly targeted, they cannot Give full play to the production-increasing effect of fertilizers, and because eggplant has a long growth period or harvest period, it needs to be topdressed many times, which is time-consuming and labor-intensive, and also increases production costs
[0004] In addition, there is a problem that the amount of fertilizer used in vegetable fertilization is too large, and the utilization rate of fertilizer is relatively low.
Heavy nitrogen is very common in eggplant production, and the utilization rate of nitrogen fertilizer is less than 30%. The unused nitrogen fertilizer or leaching into the water body causes eutrophication of the water body, or volatilizes to cause air pollution, or deposits in the soil, causing soil nitric acid Salt, nitrite enrichment
Excessive fertilization not only reduces the economic effect of farmers, but also brings environmental pollution, and long-term consumption of foods high in nitrate and nitrite will affect human health through the food chain, and in severe cases cause digestive tract cancer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A preparation method of eggplant slow-control / release compound fertilizer, comprising 22% to 25% of urea, 14% to 17% of monoammonium phosphate, 30% to 33% of potassium sulfate and 1% to calcium carbonate in weight percentage 3%, magnesium sulfate 5%~8%, ammonium molybdate 1%~2%, boric acid 1%~2%, zinc sulfate 0.03~0.05%, ferrous sulfate 0.02%~0.03%, rapeseed meal 8%~10% %, chicken manure 6%~8%, peat 4%~9%, bentonite 1%~1.5%, n-butyl thiophosphate triamine (nBPT) 0.05%~0.08%, hydroquinone (HQ) 0.05%~0.08 %, dicyandiamide (DCD) 0.24% ~ 0.28% as raw materials, according to the following steps:

[0028] a. Preparation of organic compound: mix rapeseed meal and chicken manure with the particle size of 0.3-0.4mm, add 1%-2% urea, stir evenly, and then add urea at a concentration of 2-3mol / l equal volume of H 2 SO 4 、H 3 PO 4 and HNO 3 Composed of a fast decomposer, the mass ratio of the organic mixture of rapeseed meal, chicken manure and urea to the decomposer is 1:0.4...

Embodiment 2

[0034] A preparation method of eggplant slow-control / release compound fertilizer, comprising 22% urea, 14% monoammonium phosphate, 30% potassium sulfate, 1.5% calcium carbonate, 5.8% magnesium sulfate, and 1.5% ammonium molybdate in weight percent %, boric acid 1.5%, zinc sulfate 0.045%, ferrous sulfate 0.024%, rapeseed meal 9%, chicken manure 7%, peat 6%, n-butyl triamine thiophosphate 0.07%, hydroquinone 0.07%, dicyanide Amine 0.25%, bentonite 1.241% are raw materials, proceed as follows:

[0035] a. Preparation of organic compound: mix rapeseed meal, chicken manure and soybean meal with particle size of 0.1-0.25 mm, add 1%-2% urea, stir evenly, and then add urea at a concentration of 3mol / l equal volume of H 2 SO 4 、H 3 PO 4 and HNO 3 The composition of the rapid decomposer, the mass ratio of the organic mixture of rapeseed meal, chicken manure, soybean meal and urea to the decomposer is 1:0.5, fully stirred evenly, and acted at 50°C-60°C for 72 hours to obtain deco...

Embodiment 3

[0040] An eggplant slow-control / release compound fertilizer, comprising 25% urea, 14% monoammonium phosphate, 33% potassium sulfate, 1% calcium carbonate, 5% magnesium sulfate, 1.61% ammonium molybdate, and boric acid in weight percent 1%, zinc sulfate 0.03%, ferrous sulfate 0.02%, rapeseed meal 8%, chicken manure 6%, peat 4%, n-butyl triamine thiophosphate 0.05%, hydroquinone 0.05%, dicyandiamide 0.24% , Bentonite 1% is raw material, makes by the preparation method of embodiment 1.

[0041] After using this special slow-control / release compound fertilizer, the yield of eggplant is 6511.7~7254.6 kg / 667m 2, 19.52%~33.16% higher than that of the control; after being treated with this special slow-control / release compound fertilizer, the vitamin C content of eggplant was 95.43~98.67mg / 100g, which was 15.16%~19.06% higher than that of the control; After the control / release compound fertilizer treatment, the amino acid content of eggplant was 786.9~956.7 ug / 100g, which was 35.9%~...

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Abstract

The invention provides a special slow-control / release fertilizer for eggplant, which is characterized in that it comprises 0.05%-0.08% of n-butylthiophosphate triamine, 0.05%-0.08% of hydroquinone, and 0.24%-0.28% of dicyandiamide, In mass percentage. The present invention combines nitrogen, phosphorus, potassium, calcium, magnesium, molybdenum, boron, zinc, iron and other large, medium and trace element fertilizers with organic fertilizers such as high-quality decomposed rapeseed meal, chicken manure and peat, and adds urease inhibitors, The nitrification inhibitor is mixed and prepared, which can have a slow-release effect in the soil. It is rich in various nutrient elements specially required for the growth of eggplant, can meet the nutrient needs of eggplant in different growth and development stages for a long time, and effectively increase the yield of eggplant.

Description

technical field [0001] The invention relates to the field of compound fertilizers, in particular to a slow-control slow-release compound fertilizer specially used for eggplant and a preparation method thereof. Background technique [0002] eggplant( Solanum melongena L.) is an annual herbaceous plant, also known as Luosu, butter crisp, Kunlun melon, dwarf melon, and is eaten with young and tender fruits. The fruit is spherical, oblate or ellipsoid, slender rod-shaped, egg or long ovate. The fruit color is mainly purple-red, and there are also white, cyan and purple-black. Eggplant has a wide range of adaptability and is easy to cultivate. It is one of the main types of vegetables in the north and south of my country, with a planting area of ​​more than 700,000 hectares. Eggplant has a long growth period and high yield. It is one of the main vegetables in summer and autumn and plays an important role in production. Eggplant is rich in nutrients, containing protein, fat, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00C05G3/08C05G3/90
CPCY02P60/21
Inventor 徐卫红王宏信韩桂琪张海波陈贵青张晓璟
Owner SOUTHWEST UNIV
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