Method of determining application rate of phosphate fertilizer for sugarcane field
A technology of application rate and sugarcane field, applied in the direction of fertilization method, application, fertilization device, etc., can solve the problem of less response research, achieve the effect of increasing yield and avoiding waste
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[0029] The present invention selects 35 test points in Zhanjiang area, the main sugarcane area in Guangdong, investigates the sugarcane yield and soil phosphorus nutrient status under different phosphorus application treatments, analyzes the response relationship of sugarcane yield, phosphorus absorption, phosphorus fertilizer utilization rate to available phosphorus, and the soil Phosphorus balance, aimed at exploring the scientific management of soil available phosphorus levels, and providing a theoretical basis for reducing chemical fertilizer application and increasing efficiency in sugarcane production.
[0030] 1 Materials and methods
[0031] 1.1 Test site
[0032] The research area is the sugarcane area in western Guangdong, including a total of 35 different test points distributed in Xuwen, Leizhou, Suixi, Huazhou and other counties and cities, including 16 in Suixi County, 11 in Leizhou City, 6 in Xuwen County, and 6 in Huazhou City. 2, the specific distribution is ...
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Abstract
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