1. An average summer output in excess of 900 kg . liveweight per ha. could not have been obtained if there had been a complete reliance on clover nitrogen.
   要是完全依靠三叶草的氮，要在夏季获得每公顷草场900公斤以上的活体增重，是不可能的。
2. Grazed on the shrubs, average liveweight gain of crossbred sheep increased range from 3.4％ to 32.0％, wool production increased range from 20.0K to 79.3％ and reproduction rates increased significantly.
   灌丛地放牧，杂交绵羊体重平均增加3．4％一32．0％，羊毛增加20．0％～79．3％，产羔率也有较大提高。

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