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Special melt granulation fertilizer for leaf vegetables and preparation method thereof

A technology of melt granulation and leafy vegetables, which is applied in the field of special fertilizers for leafy vegetables and its preparation, can solve the problems of small-scale compound fertilizers, serious pollution, and large investment, so as to improve crop quality, reduce energy consumption, and save energy effect

Active Publication Date: 2012-06-13
STANLEY AGRI GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the production of domestic compound fertilizers generally has problems such as small scale, high energy consumption, serious pollution, and large investment.

Method used

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  • Special melt granulation fertilizer for leaf vegetables and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064]Melt 450kg of urea at 135°C at high temperature, and pump it into the mixing tank at the top of the tower; 250kg of potassium sulfate heated to 120°C, 200kg of monoammonium phosphate heated to 110°C, 10kg of calcium sulfate, 10kg of magnesium sulfate, and 10kg of manganese sulfate , 10kg of zinc sulfate, 10kg of borax, 5kg of sodium nitrophenolate, and 45kg of talcum powder are measured together, and then sent to the mixer to fully mix evenly; after crushing, send it to the top warehouse with a bucket elevator; In the melting tank, stir and mix into a thick liquid liquid, the temperature is controlled at 115°C; send it to the differential nozzle, spray and granulate in the high tower, the diameter of the granular material at the bottom of the tower is 2mm, the temperature of the granular material is about 60°C, and cool to 40 °C to obtain the special fertilizer for melt granulation leaf vegetables.

[0065] The prepared special fertilizer for melt granulation leaf vegeta...

Embodiment 2

[0067] Melt 400kg of urea at 133°C at high temperature, and pump it into the mixing tank at the top of the tower; 300kg of potassium sulfate, 200kg of monoammonium phosphate, 15kg of calcium sulfate, 10kg of magnesium sulfate, 10kg of zinc sulfate, 15kg of borax, 5kg of sodium nitrophenolate, Talcum powder 45kg is sent into the stirrer after metering together and fully mixes; Following process is with embodiment 1.

[0068] The prepared special fertilizer for melt granulation leaf vegetables contains nitrogen, phosphorus and potassium (N-P 2 o 5 -K 2 O) The ratio is 21-9-15, the total nutrients are 45%, and the calcium, magnesium, sulfur, zinc, and boron are greater than or equal to 0.3%, 0.1%, 0.6%, 0.2%, and 0.1%, respectively. .

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Abstract

The invention which discloses a special melt granulation fertilizer for leaf vegetables and a preparation method thereof relates to the technical filed of agricultural fertilizers. The special melt granulation fertilizer is prepared by burdening prescribed components of urea, potassium sulfate, monoammonium phosphate, calcium sulfate, magnesium sulfate, manganese sulfate, zinc sulfate, a filler, borax and compound sodium nitrophenolate, heating, mixing, granulating and cooling. The special fertilizer has the advantages of reasonable nutrient proportion, crop quality improvement, stress resistance improvement, less nutrient loss, and obvious yield increasing effect.

Description

technical field [0001] The invention relates to the technical field of agricultural fertilizers, in particular to a special fertilizer for leafy vegetables and a preparation method thereof. Background technique [0002] At present, the production of domestic compound fertilizers generally has problems such as small scale, high energy consumption, serious pollution, and large investment. [0003] The nutritional value of leafy vegetables cannot be replaced by vegetables such as rhizomes, and the content of vitamin C and calcium is high, which is especially suitable for pregnant women and children. Leafy vegetables mainly include spinach, celery, water spinach, amaranth, crown chrysanthemum, Chinese cabbage and cabbage, etc. Their production is characterized by shallow root system, rapid growth, and large demand for nutrients. The nutrient absorption of celery is 2.55kg / t of nitrogen, 2.55kg / t of phosphorus pentoxide, and 3.67 kg / t of potassium oxide, and the absorption ratio...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G5/00A01C21/00
Inventor 高进华周丽赵玉平解学仕
Owner STANLEY AGRI GRP CO LTD
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