Special fertilizer adopting fermented pig manure as main raw material for oilseed rapes and preparation method of special fertilizer for oilseed rapes

Abstract

The invention relates to a special fertilizer adopting a fermented pig manure as a main raw material for oilseed rapes. The special fertilizer adopting the fermented pig manure as the main raw material for the oilseed rapes is prepared from the following raw materials in parts by weight:50 to 60 parts of fermented pig manure, 10 to 20 parts of ammonium humate, 20 to 30 parts of urea, 10 to 20 parts of calcium superphosphate, 20 to 30 parts of calcium superphosphate, 10 to 15 parts of kieselguhr, 20 to 30 parts of bentonite, and 5 to 10 parts of monoammonium phosphate. The fermented pig manure is prepared from the following materials in parts by weight through fermenting: 60 to 70 parts of pig manure, 20 to 30 parts of vinasse, 10 to 20 parts of bean cake, 5 to 10 parts of corn flour, and 10 to 20 parts of mushroom dreg. According to the fertilizer, the yield of the oilseed rapes can be improved, and the erucic acid content of the oilseed rapes is reduced.

Description

technical field [0001] The invention relates to the technical field of livestock fertilizer treatment, in particular to a special fertilizer for rape with fermented pig manure as the main raw material and a preparation method thereof. Background technique [0002] Rapeseed is an important economic crop in my country. It not only has high edible value, but also can be used as an excellent feed for livestock and poultry. At the same time, it can be processed and extracted for daily life and industrial use. At present, there are many kinds of special fertilizers for rape on the market, but the problems of low utilization rate of fertilizers and damage to soil physical and chemical properties cannot be avoided. [0003] Some special fertilizers for rape are usually made of compound fertilizers by adding sulfur, boron, iron, manganese, molybdenum and other raw materials on the basis of nitrogen, phosphorus, and potassium raw materials. This kind of special fertilizer for rapesee...

AI Technical Summary

Problems solved by technology

The main disadvantages of the special fertilizer for rapeseed of the present invention are: the pulverization of each raw material in the preparation process, the granulation of the powder material granulator, the process is more complicated, the energy consumption is higher, and the material has flying loss

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