陕西渭北旱塬土壤-植物-大气连续体中水分运转规律的研究──Ⅰ.生态环境对植物叶温的影响 陕西渭北旱原土壤—植物—大气连续体中水分运转规律的研究──Ⅳ.生态和生理环境对蒸腾速率的影响 Modeling the changes of yield and deep soil water in apple orchards in Weibei rainfed highland The effect of N,P and variability of their use efficiency on winter wheat in the rainfed highland 陕西渭北旱源土壤—植物—大气连续作中水分运转规律的研究──Ⅲ.生态和生理环境对叶片气孔阻力的影响 陕西渭北旱塬土壤—植物—大气连续体中水分运转规律的研究──Ⅴ.田间冬小麦土壤—叶片途径水运转阻力研究 Effects of N,  P and K fertilization on spring maize yield and fertilizer use efficiency in Weibei rainfed highland 陕西渭北旱源土壤—植物—大气连续体中水分运转规律的研究──Ⅱ.生态和生理环境对植物叶水势的影响