Sorghum special-purpose slow release fertilizer containing trace element and preparation method thereof

A technology of trace elements and slow-release fertilizers, applied in application, fertilization devices, fertilizer mixtures, etc., can solve the problems of ordinary slow-release fertilizers such as high price, low fertilizer utilization rate, lack of zinc element, etc., and achieve good yield increase effect and fertilizer utilization The effect of high efficiency and comprehensive nutrition

Inactive Publication Date: 2015-07-08
STANLEY AGRI GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. Ordinary slow-release fertilizers are expensive, which can easily lead to high agricultural planting costs;
[0006] 2. Ordinary slow-release fertilizers lack zinc and other trace elements, which can easily lead to weak plants and affect growth;
[0007] 3. The nutrient release law of ordinary slow-release fertilizers cannot match the law of sorghum absorption, which will easily lead to low fertilizer utilization efficiency

Method used

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  • Sorghum special-purpose slow release fertilizer containing trace element and preparation method thereof
  • Sorghum special-purpose slow release fertilizer containing trace element and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] A special slow-release fertilizer for sorghum rich in trace elements is prepared, and the contents of nitrogen, phosphorus pentoxide and potassium oxide are 26%, 8% and 6% respectively, which are percentages by mass.

[0059] Take 540kg of small granule urea, 160kg of monoammonium phosphate, 100kg of potassium chloride, 10kg of EDTA chelated zinc, 2kg of urease inhibitor, 2kg of nitrification inhibitor, and 166kg of bentonite as raw materials;

[0060] The above-mentioned raw materials are accurately measured, and the tower-type melt granulation process is used for spray granulation production: the urea melt is mixed with raw materials such as monoammonium phosphate and potassium chloride strictly measured according to the formula to form a low eutectic melt with good fluidity The solid suspension mixed slurry, and through the granulation nozzle, the mixed slurry is sprayed into the granulation tower, so that it exchanges heat with the rising air flow during the gravity ...

Embodiment 2

[0062] Prepare the special slow-release fertilizer for sorghum rich in trace elements, nitrogen, phosphorus pentoxide, and potassium oxide content are respectively 30%, 5%, and 5%, which are percentages by mass;

[0063] Get small particle urea 630kg, monoammonium phosphate 110kg, potassium chloride 85kg, EDTA chelated zinc 10kg, urease inhibitor 2kg, nitrification inhibitor 2kg, bentonite 161kg;

[0064] The above-mentioned raw materials are accurately measured, and the preparation process is the same as in Example 1.

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Abstract

The invention discloses a sorghum special-purpose slow release fertilizer containing trace element, which belongs to the technical field of agricultural fertilizer. The sorghum special-purpose slow release fertilizer is prepared by components of granule urea, monoammonium phosphate, potassium chloride, EDTA chelated zinc, a urease inhibitor, a nitrated inhibitor and bentonite. The sorghum special-purpose slow release fertilizer has the advantages of comprehensive nutrient and reasonable ratio, the added trace elements such as zinc can promote photosynthesis and increase stress resistance; the sorghum special-purpose slow release fertilizer can eliminate soil hardening condition and is capable of loosening soil, the slow release fertilizer nitrogen nutrient is matched with sorghum absorption, and can be taken as a base fertilizer for one time application before sorghum sowing, topdressing is not required, the fertilization flow is simplified, and the sorghum special-purpose slow release fertilizer has the advantages of fertilizer saving and labor saving.

Description

technical field [0001] The invention belongs to the technical field of a special slow / controlled release fertilizer for crops, and in particular relates to a special slow release fertilizer for sorghum. Background technique [0002] Sorghum, Poaceae, Sorghum genus, annual herb, belongs to economic crops. Sorghum has a wide range of adaptability and strong resistance to stress. It can be planted in fertile plains, arid hills, and barren mountainous areas. In my country, the cultivation area is relatively wide, and it is widely planted in the north. One of the main production areas of sorghum. [0003] Sorghum needs to absorb more nutrients in a growth cycle, not only nitrogen, phosphorus, and potassium provided by ordinary fertilizers. According to the theory of wooden barrel short board, if there is a lack of other nutrients, it will not be able to grow normally, the plants will be thin and small, and the heading will not be good. Qi, pollination rate is low, seriously af...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/80
Inventor 孙士俊周丽赵玉平李元峰
Owner STANLEY AGRI GRP CO LTD
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