土壤肥力对花生品质的影响

[目的]研究影响花生品质的主要土壤肥力因子,量化主要影响因子的作用程度,为花生品质区划、优良品种的选育和高产栽培提供科学依据。[方法]以2008年全国18个花生主产省的花生品质数据及其对应点的土壤数据为基础,通过相关分析、通径分析和逐步回归分析研究肥力因子对花生品质的影响。[结果]土壤全氮含量是影响花生蛋白质含量的主要因子,它们之间的关系为：Y=0.0001794X2＋25.597;土壤有机质含量是影响花生脂肪含量的主要因子,它们之间的关系为：Y=0.162X1＋43.317;同时土壤有机质也是影响花生油亚比的主要因子,它们之间的关系为Y=0.01504X1＋0.954。[结论]不同肥力因子对花生品质的影响不同,改善花生品质应通过施用合适的配比肥料来实现。

Effects of Soil Fertility on Peanut Quality

[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 were 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 factor affecting the peanut protein content, and the relationship between them was Y=0.000 179 4X_2+25.597. The organic matter content in soil was the main factor affecting the peanut fat content, and the relationship between them was Y=0.162X_1+43.317. The organic matter content in soil was also the main factor affecting the O/L of peanut, and the relationship between them was Y=0.162X_1+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.