摘要
本文报告了河北省中南部地区山缺铁黄叶病的发生状况、诱发因素以及它对树体生育性状的影响,并指出了山楂缺铁黄叶病的防治途径。
It reported the productive states, induced factors of iron chlorosis and the effect of iron chlorosis on production of fruit trees, and iodicated control means of iron chlorosis in may tree at central-south Hebei.