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.PQ Will Combine With Ineos Silicas — PQ Corp. and Ineos Silicas will combine to create a new producer of silicates and other inorganic chemicals with annual sales in excess of $1 billion.