The first harvest is a key to having a high yield, good quality and high water use efficiency.
抓好头茬草是获得苜蓿高产、优质、提高水分利用效率的关键。
We use chemical dosing and high pressure atomized water spraying to improve the efficiency.
我们在水中加入一些化学剂和采用高压水喷淋来提高效率。
Owing to the low economic efficiency and high consumption proportion of agricultural water use, the primary content of worlds water transaction is agricultural water rights shift.
农业是世界水资源最大的使用者，由于农业用水的低经济效益和高消耗比例，世界水权交易的主要内容是农业水权转移。
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