Disposable special rice fertilizer for crab raising rice field

A special fertilizer, one-time technology, applied in the direction of alkaline orthophosphate fertilizer, application, nitrogen fertilizer, etc., can solve the problems of slow growth rate of river crabs, quality hazards of river crabs, growth hazards of river crabs, etc., to reduce the accumulation of harmful products, improve Fertilizer utilization rate and the effect of reducing NH3 volatilization loss

Inactive Publication Date: 2010-11-10
辽宁省农业科学院环境资源与农村能源研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the actual production process of raising crabs in rice fields, we always face the problem that rice fertilization will cause harm to the growth of river crabs
Farmer friends must fertilize rice to ensure the normal harvest of rice, and follow the growth period of rice to carry out scientific and reasonable topdressing to achieve high yield of rice. However, because the nitrogen fertilizer applied will produce ammonia nitrogen after it reaches the water body, it will cause harm to river crabs. Phosphate fertilizers will also be eaten by crabs, which will also cause damage to the growth of crabs, resulting in slow growth or no growth of crabs (little old crabs) or even death of crabs, and also harm the quality of crabs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Disposable rice special fertilizer for crab-raising paddy fields is composed of organic fertilizer (component A) and inorganic fertilizer (component B), of which component A is composed of organic fertilizer and humic acid produced from livestock and poultry manure, Its ratio of parts by weight is 4: 1.5, and component B is made up of inorganic chemical fertilizer: nitrogen fertilizer (calculated as nitrogen element), phosphate fertilizer (calculated as phosphorus pentoxide), potassium fertilizer (calculated as potassium oxide), and the weight between each component The ratio is 11:3:3; the weight ratio between component A and component B is 4:6.

[0014] The nitrogen fertilizers are urea, ammonium sulfate and ammonium bicarbonate, and the addition amount is calculated as nitrogen element, accounting for 18.8% of the total weight of the special fertilizer. The phosphate fertilizer is monoammonium phosphate and superphosphate, and its addition amount is calculated as pho...

Embodiment 2

[0019] Disposable rice special fertilizer for crab raising paddy field, which is composed of organic fertilizer (component A) and inorganic fertilizer (component B), of which component A is composed of organic fertilizer and humic acid produced from livestock and poultry manure , its weight ratio is 3: 1, and component B is made up of inorganic chemical fertilizer: nitrogenous fertilizer (calculated as nitrogen element), phosphate fertilizer (calculated as phosphorus pentoxide), potassium fertilizer (calculated as potassium oxide), and the weight ratio between each component 10:2.5:1; the weight ratio between component A and component B is 3:7.

[0020] Described nitrogenous fertilizer is urea and ammonium bicarbonate, and its addition amount accounts for 19% of the total weight of special fertilizer in terms of nitrogen element. The phosphate fertilizer is diammonium phosphate and superphosphate, and its addition amount is calculated as phosphorus pentoxide, accounting for 4....

Embodiment 3

[0025] Disposable rice special fertilizer for crab raising paddy field, which is composed of organic fertilizer (component A) and inorganic fertilizer (component B), of which component A is composed of organic fertilizer and humic acid produced from livestock and poultry manure , its weight ratio is 5: 2, component B is made up of inorganic chemical fertilizer: nitrogen fertilizer (calculated as nitrogen element), phosphate fertilizer (calculated as phosphorus pentoxide), potassium fertilizer (calculated as potassium oxide), the weight ratio between each component It is 10:3:3; the weight ratio between component A and component B is 3.5:6.5.

[0026] The nitrogen fertilizers are urea, ammonium sulfate and ammonium bicarbonate, and the addition amount is calculated as nitrogen element, accounting for 17% of the total weight of the special fertilizer. The phosphate fertilizer is monoammonium phosphate and superphosphate, and its addition amount is calculated as phosphorus pentox...

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PUM

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Abstract

The invention relates to a compound fertilizer, in particular to a disposable special rice fertilizer for a crab raising rice field. The special fertilizer consists of organic fertilizer and inorganic fertilizer in a weight part ratio of 5-7: 3-5, wherein the organic fertilizer comprises 2 to 5 weight parts of livestock and poultry dung and 1 to 2.5 weight parts of humic acid; and the inorganic chemical fertilizer comprises 9 to 11 weight parts of nitrogenous fertilizer, 2 to 4 weight parts of phosphate fertilizer and 3 to 6 weight parts of potassium fertilizer. The yield of the rice is increased obviously after one-time application, any fertilizer does not need to be applied at the later stage, and the special fertilizer does not harm river crabs.

Description

technical field [0001] The invention relates to a compound fertilizer, in particular to a one-time special fertilizer for rice paddy fields where crabs are raised. Background technique [0002] Raising crabs in paddy fields is based on the principle of symbiosis and mutual benefit between rice and crabs. It scientifically utilizes the symbiotic relationship between animals and plants, skillfully combines planting and breeding in the same ecological environment, and can give full play to the paddy field area and water space. Give full play to the potential of land resources and organically combine the production of pollution-free high-quality rice with aquaculture. River crabs can eat some weeds in rice fields, which reduces the input of pesticides and improves the production efficiency of fertilizers. The excrement of river crabs and the residual bait of feeding crabs can increase the content of organic matter in the soil and fertilize the soil, thus reducing the amount of f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00C05F3/00C05C9/00C05C3/00C05C13/00C05B7/00C05B1/00C05D1/02
CPCY02A40/20
Inventor 孙文涛孙富余宫亮王聪翔
Owner 辽宁省农业科学院环境资源与农村能源研究所
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