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在旱地谷物生产中，应用种植绿肥以取代休耕，需要选用耐旱性强的豆科作物。本实验的研究目的在于：（1）分析一年生豆科绿肥的营养生长率。（2）评价参试的豆科作物短期绿肥的性状。实验时期是1984～1990年。实验在加拿大Swiftcurrent（SK）实验站的一块黑钙土地上进行。参试?
In dryland cereal production, the application of green manure to replace fallow requires the use of leguminous crops with high drought tolerance. The purpose of this study is to: (1) Analyze the annual growth rate of legume green manure. (2) evaluate the characteristics of short-term green manure of leguminous crops tested. The experimental period is from 1984 to 1990. Experiments were conducted on a piece of black earth ground at the Swiftcurrent (SK) Experiment Station in Canada. Test?