irrigated area造句怎麼寫

The irrigated area amount to 20000 ha.

The surface water, precipitation and undercurrent are main to the groundwater in well irrigated area while in plain area surface water and rainfall are main replenishment.

The ground water level and Salinity of soil in the Hetao irrigated area in the Inner Mongolia exit notable seasonal changes and the peak period of salt deposit occurs in spring and autumn.

The grain output per hectare can be increased by more than 1,500 kg through the upgrading of medium- and low-yield land, beefing up water-control projects, enlarging irrigated areas and spreading the use of advanced agrotechnology.

While the Yellow River Valley is the cradle of Chinese civilization, the irrigated area of Yellow River has a history of 3000 years.

High yield and good quality can be achieved in the irrigated area with warm climate, adequate sunlight, seldom precipitation.

Water problems will worsen both because irrigated areas will suffer disproportionately from the effects of climate change and because diets are shifting towards meat, which is "thirsty".