An expert on farmland irrigATion says thAT undergroundirrigATion is the best way to wATer crops. It puts wATer where it is most needed AT the roots.
一位灌溉专家说,地下灌溉是给作物供水的最佳方法,因为它把水灌到最需要的地方。即根系近旁。
2
Other things that impressed me deeply are the underground Jiaohe and Gaocang, the dried ancient corpuses and the undergroundirrigation canal networks.
我印象深刻,是地下蛟河和Gaocang,干古语料和地下灌溉渠网的其他事项。
3
Theoretical analysis of local-control irrigation, i. e. , non-pressure undergroundirrigation, is conducted, and soil water movement equation is presented.