A major requirement for these developments will be the supply of high quality maize silage or green - chop , which are likely to be grown under contract 主要是开发高质量的青贮或者刈割饲料，可能会有更多的开发合同。
Compositional dynamics of plant functional groups and their effects on stability of community anpp during 17 yr of mowing succession on leymus chinensis steppe of inner mongolia , china 内蒙古羊草草原17年刈割演替过程中功能群组成动态及其对群落净初级生产力稳定性的影响
Ba sed on the regional ecological condition and the resources characteristics , the measures to improve the hilly eco - environment should be multiply arranged by following the strategical rules and the technique requirements which are plantin g grass and trees sparsely , growing the crops and fruit trees in the terrace , ro tationally cutting the grass , using the forest by rationally graziery , and makin g the soil and water conservation industrialization 山区生态环境建设应从区域生态资源实际出发，按照林草建设疏林化，粮果生产梯田化,刈割草场轮作化,森林利用畜牧化，水土保持产业化的战略原则和技术要求，镶嵌配置。
