irrigation channel

To the early Qing Dynasty, the distribution of irrigation channels in Ningxia Plain had been a dense web and almost perfect.

And a local NGO is attempting to save the drought-affected biodiversity of Australian wetlands by using a network of irrigation channels.

With the fields levelled and irrigation channels control-ling the volume of water, no such a problem arose again.

In the fields hundreds of workers cleared irrigation channels, raised and mended terrace walls, and sowed corn and a host of exotic crops.

Suddenly ploughed tracts and irrigation channels appeared, and the glisten of flooded rice-fields; and cranes preceded the suburbs of Mari.

With the fields levelled and irrigation channels controlling the volume of water, no such problem arose again.

Irrigated land; includes irrigation channels and rice fields.

You may have seen irrigation channels by which water is brought from a river or dam to the place where it is needed.

We cross irrigation channels and fields planted with sweet potatoes.

In areas where there is no source of water, irrigation channels are built for crops.

Children who live near open water sources, such as ditches, ponds, irrigation channels, or pools are especially at risk.

Optimization model for discharge distribution of irrigation channels based on particle swarm optimizer