There sugar-beet plantation areas were expanded to 176000 hectares.

他们甜菜种植面积增加到176000公顷。

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.

是完全依靠三叶草，在夏季获得每公顷草场900公斤以活体增重，是不可能。