Effects of soil fertility on peanut quality | 土壤肥力对花生品质的影响
2010
Li Xinhua, Shandong Institute of Agriculture Sustainable Development, Jinan（China） | Guo Honghai, Shandong Institute of Agriculture Sustainable Development, Jinan（China） | Yang Liping, Shandong Institute of Agriculture Sustainable Development, Jinan（China）
[Objective] The research aimed to discuss the key soil fertility factors affecting the peanut quality and quantify the effect degree of the key climatic factors, which will provide scientific basis for peanut quality classification, fine varieties breeding and high-yield cultivation. [Method] Based on the peanut quality data and soil data coming from the 18 main peanut producing provinces in China in 2008, the effects of soil fertility factors on peanut quality was studied by the methods of correlation analysis, path analysis and stepwise regression analysis. [Result] The results showed that the total nitrogen content in soil was the main factors affecting the peanut protein content, and the relationship between them was Y=0.0001794X2+25.597. The organic matter content in soil was the main factors affecting the peanut fat content, and the relationship between them was Y=0.162X1+43.317. The organic matter content in soil was also the main factors affecting the O/L of peanut, and the relationship between them was Y=0.162X1+43.317. [Conclusion] Different fertility factors had the different effects on the peanut quality, so an appropriate ratio of the fertilizers should be adopted to improve the peanut quality.
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