Micro-irrigation is also known as (). A: A.basin irrigation B: B.infiltrating irrigation C: C.trickle irrigation D: D.spray irrigation

Roman Aqueduct is a project for irrigation

Can natural rubber be used in irrigation and drainage hoses？

What is the unique system of underwater irrigation and drainage in Xinjiang Province?

Can natural rubber be used in irrigation and drainage hoses？ A: 正确 B: 错误

The majority of China’s farmland adopts the old method of flood irrigation at present.

The best irrigation water is river water, pond water and lake water A: 正确 B: 错误

The system for supplying water to farmers' fields is known as ______. ( A: articulation B: liquidation C: liquefaction D: irrigation

True or False? In vineyards where rainfall is not high enough to produce the amount of yield of desired quality, irrigation is often applied.

The chief causes of water shortage are ______. A: irrigation systems. B: massive dams. C: growth of planting. D: population growth and water pollution