旱地果园水肥管理模式研究进展

分析了旱地果园水肥管理模式的研究进展和存在问题，指出水肥胁迫尤其是水钾已成为旱区果树高产稳产优质化的主要限制因子。在系统探讨旱地果园水分管理、养分管理、综合管理以及果树叶营养综合诊断施肥标准的基础上，提出了旱地果园的高效水肥管理模式。

Advance in Study of Management Patterns of Water and Fertilizer in Apple Orchard in Dryland

The achievements in the studies and existed problems of the management patterns of water and fertilizer in apple orchard in dryland were analysed. It pointed out that the menace of water and fertilizer, especially water and potassium, is main restricted factor of high and steady yield and high quality of the apple in dryland. The systematic discussion of different water management patterns, different fertilizer management patterns, comprehensive management patterns and DRIS diagnoses norms and fertilization models were carried out. It provided high efficient management patterns for apple orchard in dryland.