Special fertilizer for semilate rice-ratooning rice stubble rapes

A special fertilizer and ratooning rice technology, applied in the direction of fertilizer mixture, application, fertilization equipment, etc., can solve the problems of low nutrient utilization efficiency, environmental risks, and difficulties in rooting, so as to prevent the production of tall seedlings and facilitate artificial or Effect of mechanical application and improvement of fertilizer use efficiency

Active Publication Date: 2015-09-16
HUBEI SANNING CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For rapeseed, due to the late sowing date (generally in late October, about 20-30 days later than the middle rice-rape rotation mode rapeseed), insufficient light and temperature before winter, high soil humidity, and the shading effect of the previous rice straw , the emergence of rapeseed is slow, the root system is difficult to tie down, it is easy to form tall seedlings, and the nutrient body is insufficient, so that the yield of rapeseed is low
At the same time, the rice stubble is no-tillage, the fertilizer is easily lost on the surface, the nutrient use efficiency is low, and there are environmental risks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A special fertilizer for mid-season rice-regeneration rice stubble and rape, which is composed of urea, zinc humic acid urea, diammonium hydrogen phosphate, zinc humic acid diammonium hydrogen phosphate, modified ammonium chloride, potassium chloride and granular boron. The best percentage by weight is: urea 17.5%, zinc humic acid urea 17.5%, diammonium hydrogen phosphate 6.6%, zinc humic acid diammonium hydrogen phosphate 10.0%, modified ammonium chloride 27.6%, potassium chloride 20.0%, granular Boron 0.8%. Mix the above-mentioned raw materials that have been weighed evenly, and then sprinkle them before the harvested stalks of the ratooned rice are crushed, and the dosage per mu is 40-50 kg.

[0025] Contrast experiment: 50 kilograms of common 15-15-15 ternary compound fertilizers and 10 kilograms of urea in mu Shi market are used as control treatment; 50 kilograms of special fertilizers for middle rice-regenerated rice stubble rapeseed in mu are treated as comparati...

Embodiment 2

[0027] A special fertilizer for mid-season rice-regeneration rice stubble and rape, which is composed of urea, zinc humic acid urea, diammonium hydrogen phosphate, zinc humic acid diammonium hydrogen phosphate, modified ammonium chloride, potassium chloride and granular boron. Percentage by weight: urea 15.0%, zinc humic acid urea 18.0%, diammonium hydrogen phosphate 8.0%, zinc humic acid diammonium hydrogen phosphate 12.5%, modified ammonium chloride 25.6%, potassium chloride 20.0%, granular boron 0.9 %. Mix the above-mentioned raw materials that have been weighed evenly, and then sprinkle them before the harvested stalks of the ratooned rice are crushed, and the dosage per mu is 40-50 kg.

[0028] Contrast experiment: 40 kilograms of common 15-15-15 ternary compound fertilizers and 7.5 kilograms of urea are used as control treatment in mu Shi market; 40 kilograms of special fertilizers for middle rice-regenerated rice stubble rapeseed in mu are treated as comparative treatme...

Embodiment 3

[0030] A special fertilizer for mid-season rice-regeneration rice stubble and rape, which is composed of urea, zinc humic acid urea, diammonium hydrogen phosphate, zinc humic acid diammonium hydrogen phosphate, modified ammonium chloride, potassium chloride and granular boron. Percentage by weight: urea 20.0%, zinc humic acid urea 15.0%, diammonium hydrogen phosphate 9.0%, zinc humic acid diammonium hydrogen phosphate 11.0%, modified ammonium chloride 26.2%, potassium chloride 18.0%, granular boron 0.8 %. Mix the above-mentioned raw materials that have been weighed evenly, and then sprinkle them before the harvested stalks of the ratooned rice are crushed, and the dosage per mu is 40-50 kg.

[0031]Contrast experiment: 50 kilograms of common 16-16-16 ternary blended fertilizers in the mu Shi market, 10 kilograms of urea as a control treatment; using 50 kilograms of the special fertilizer for middle rice-regenerated rice stubble rape of the present embodiment as a comparison tr...

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Abstract

The invention relates to a special fertilizer for semilate rice-ratooning rice stubble rapes. The invention is characterized in that the special fertilizer for semilate rice-ratooning rice stubble rapes is composed of the following raw materials in percentage by weight: 15.0-20.0% of urea, 15.0-20.0% of urea humate, 5.0-9.0% of ammonium monoacid phosphate, 8.5-12.5% of ammonium monoacid phosphate humate, 25.0-30.0% of modified ammonium chloride, 18.0-22.0% of potassium chloride and 0.7-0.9% of granular boron. The fertilizer can promote growth of rapes before winter, prevent high seedlings from generation and enhance the continuous and balanced nutrient supply capacity, thereby finally implementing high yield and high efficiency.

Description

technical field [0001] The invention relates to a special fertilizer for middle-season rice-regenerated rice stubble and rapeseed. Background technique [0002] In recent years, Hubei, Hunan, Jiangxi and other provinces and cities in my country have vigorously promoted the rotation mode of mid-season rice-ratio-rape rape, and implemented two (one for mid-season rice and one for rape) and three-harvest (one for mid-season rice, one for ratoon rice and one for rape) , in order to reduce the area of ​​winter fallow fields and ensure the security of grain and oil supply. Affected by labor costs, this mode of rice production is fully mechanized, and rapeseed is also a light and simplified production method of no-tillage and direct seeding combined with mechanical ditching. For rapeseed, due to the late sowing date (generally in late October, about 20-30 days later than rapeseed in the middle rice-rape rotation mode), insufficient light and temperature before winter, high soil hum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 余常兵谢立华张科军胡小加李银水廖星
Owner HUBEI SANNING CHEM
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