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Fertilizing method for improving utilization rate of fertilizer for kidney beans

A fertilization method and technology of utilization rate, applied in the field of crop production technology and fertilizer use, can solve the problems of high nutrient content, nutrient loss, low utilization efficiency of crop nutrient resources, etc., to improve quality, increase commodity rate and yield, and achieve good application Foreground effect

Active Publication Date: 2014-08-27
GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, according to the current fertilization and cultivation management mode, vegetable farmers usually apply a large amount of inorganic fertilizers, resulting in excessively high nutrient content in the soil, or nutrient loss, and low utilization efficiency of nutrient resources by crops

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Implementation location: In the vegetable experimental planting base of Guangdong Provincial Institute of Ecological Environment and Soil Research (Guangzhou Baiyun), the soil is clay loam, the content of alkaline nitrogen in 0-20cm soil is 94.4mg / Kg, and the content of total phosphorus is 1.52%. Phosphorus (NaHCO 3 Extraction) is 17.3mg / Kg, and the content of available potassium is 86.8mg / Kg.

[0019] Experimental crop: beans

[0020] Fertilizer application amount: Calculated by soil testing and formula fertilization, the standard fertilization amount of beans in this plot is 12.0kg / mu, 7.0kg / mu, 8.5kg / mu of pure nitrogen, phosphorus, and potassium; the organic fertilizer is air-dried tomato vine , apply 200 kg / mu. Inorganic fertilizers are urea (containing N46%), superphosphate (containing P 2 o 5 12%), potassium sulfate (contains K 2 O50%).

[0021] Operation method: 17 days before planting, chop the air-dried tomato vine stalks and sprinkle them evenly on the ...

Embodiment 2

[0024] Implementation location: In the vegetable experimental planting base of Guangdong Provincial Institute of Eco-environment and Soil Research (Zengcheng, Guangzhou), the soil is sandy loam, the content of alkaline nitrogen in 0-20cm soil is 73.2mg / Kg, the content of total phosphorus is 1.21%, and available phosphorus (NaHCO 3 Extraction) is 11.5mg / Kg, available potassium content is 86.8mg / Kg.

[0025] Experimental crop: beans

[0026] Fertilizer application amount: After soil testing and formula fertilization calculation, the standard fertilization amount of beans in this plot is 14.0kg / mu, 8.5kg / mu, 9.8kg / mu of pure nitrogen, phosphorus and potassium; the organic fertilizer is air-dried tomato vine , apply 200 kg / mu. Inorganic fertilizers are urea (containing N46%), superphosphate (containing P 2 o 5 12%), potassium sulfate (contains K 2 O50%).

[0027]Operation method: 14 days before planting, chop the air-dried tomato vine stalks and sprinkle them evenly on the so...

Embodiment 3

[0030] Implementation location: In the vegetable test planting base of Guangdong Provincial Institute of Eco-environment and Soil Research (Guangzhou Baiyun), the soil is clay loam. Phosphorus (NaHCO 3 Extraction) is 20.1mg / Kg, and the available potassium content is 103.2mg / Kg.

[0031] Experimental crop: beans

[0032] Fertilizer application rate: Calculated by soil testing and formula fertilization, the standard fertilization rate of beans in this plot is 10.0kg / mu, 7.2kg / mu, 7.9kg / mu of pure nitrogen, phosphorus and potassium; the organic fertilizer is air-dried tomato vine , apply 200 kg / mu. Inorganic fertilizers are urea (containing N46%), superphosphate (containing P 2 o 5 12%), potassium sulfate (contains K 2 O50%).

[0033] Operation method: 21 days before planting, chop the air-dried tomato vine stalks and sprinkle them evenly on the soil. The application rate is 200Kg / mu, plow and flood. , then dry, after drying (7 days before planting beans), apply base ferti...

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Abstract

The invention discloses a fertilizing method for improving the utilization rate of fertilizer for kidney beans. According to the fertilizing method for improving the utilization rate of the fertilizer for kidney beans, firstly, the soil where the kidney beans are to be planted is tested for formulated fertilization, and the standard fertilizing amount of the soil for the kidney beans is calculated and determined; tomato straw air dry matters are cut off two or three weeks before the kidney beans are planted, after the cut tomato straw air dry matters are evenly scattered into the soil of lands according to the amount of 200 kilogram per mu, and the soil is turned over, the soil is irrigated one time, base fertilizer is applied after the lands are dried in the air, nitrogen, phosphorus and potassium is respectively 10%, 60% and 10% of the standard fertilizing amount, and additional fertilizer is applied six times. The fertilizing method for improving the utilization rate of the fertilizer for kidney beans can effectively solve the problem of blind fertilization of vegetable growers, improves the utilization rate of fertilizer by 30-40% compared with a traditional fertilization method, improves the agronomy utilization rate by 30-43% compared with a conventional fertilization method, improves the commodity rate and the output of kidney beans, improves the quality of kidney beans, and enables planting of kidney beans to have good application prospects in the Southern like the Guangdong province.

Description

Technical field: [0001] The invention belongs to the fields of crop production technology and fertilizer application technology, and in particular relates to a fertilization method for improving the utilization rate of bean fertilizer. Background technique: [0002] Improper management of nutrients such as fertilizers has caused serious resource and environmental problems. With the continuous increase in the amount of chemical fertilizers, their utilization rate and utilization efficiency have gradually declined. The intensive vegetable production base in the Pearl River Delta region has excessive fertilization and high multiple cropping index, resulting in high nutrient accumulation in the vegetable field, with an average nitrogen application rate of 328.7kg / hm 2 , the highest nitrogen rate is 1732.5kg / hm 2 , The nitrogen fertilizer use rate was 12.9%, which was far lower than the national nitrogen fertilizer use rate of 27.5% in the current season. The highest total phos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C21/00
Inventor 丁效东李淑仪廖新荣王荣萍
Owner GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI
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