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Zhang Y.,Yangzhou Station of Soil and Fertilizer | Zhang B.,Yangzhou Station of Soil and Fertilizer | Wang C.,Yizheng Station of Soil and Fertilizer | Li W.,Yangzhou Station of Soil and Fertilizer | And 2 more authors.
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | Year: 2011

In order to improve prediction technology for crops target yield, a case study on rice target yield of Yizheng city in Jiangsu province was conducted by potential productivity index method at parcel scale, and field experiments were also conducted for verification by demonstrations and farmers investigation results. The results showed that cultivated land potential productivity index and target yield of rice were positive relationships with unit yield of rice, and coefficient correlation was 0.6144 and 0.5241 (124 samples), respectively. Potential productivity index can evaluate farmland potential productivity and then to determine crop target yield in the soil testing and formulated fertilization.

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