期刊文献+
共找到1篇文章
< 1 >
每页显示 20 50 100
Comparison of Mathematical Models for Describing CropResponses to N Fertilizer
1
作者 yanshaohua GUOJUNYAO 《Pedosphere》 SCIE CAS CSCD 1999年第4期351-356,共6页
Four mathematical models were systematically evaluated in describing responses of four different cropsat 7 rates of nitrogen application. Residual sum of squares and a total point ranking method were used toassess the... Four mathematical models were systematically evaluated in describing responses of four different cropsat 7 rates of nitrogen application. Residual sum of squares and a total point ranking method were used toassess the model fitting for crop responses to nitrogen application. Sparrow’s inverse quadratic polynomialmodel performed the best. 展开更多
关键词 氮肥 作物反应 施氮 数学模型 比较研究
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部