干旱常给林业生产带来很大的损失，特别是在一些丘陵山区，往往受水源较远、水量不足、灌溉设施跟不上等因素的影响，林木受旱损失极为严重。现介绍一种简便、易行的抗旱方法——挂瓶输水抗旱法，林农朋友不妨在生产上一试。一、准备工作１．挂瓶选择。选用医院、诊所里大... Drought often brings great loss to forestry production. Especially in some hilly and mountainous areas, it is often affected by such factors as water source is far away, insufficient water and irrigation facilities can not keep up. The loss of trees is extremely serious. Is now introduced a simple, easy-to-drought methods - Hanging bottle water Drought Law, forest farmers friends may wish to try on the production. First, the preparatory work 1. Hanging bottle selection. Selection of hospitals, clinics ...