1、掌理绿肥分储特点功战的绿肥作物，特别是易分解的豆科绿肥和紫云英，初期分解快，持续时间较短。作基肥后期有脱肥的可能，应注意补施人粪尿、硫酸胺等速效氮肥。稍难分解的绿肥如由著、怪麻等，前期分解较慢，作基肥初期可能养分供应不足，需配合用速效氮肥。2、防止毒害? 1, control of green manure sub-Chucha war features green manure crops, especially easy to decompose the leguminous green manure and milk vetch, the initial decomposition fast, shorter duration. Base late for the possibility of taking off, should pay attention to make up manure, ammonium sulfate and other quick-acting nitrogen fertilizer. Slightly difficult to decompose green manure, such as by strange, such as Ma, early decomposition of slow, may be the beginning of the basic nutrients may be insufficient supply of nutrients, with the need to use quick-acting nitrogen fertilizer. 2, to prevent poisoning?