更好的灌溉可以显著提高作物产量;目前,全球约40%的粮食供应都来自于灌溉地。
I think it will grow even on non-irrigated land where there is a forest belt.我想即使在没有灌溉的土地上,只要有一条树林?
The Hill and Mountain agro-ecosystem is characterized by very little irrigated land and difficult terrain.在山与山农业生态系统的特点是很少的灌溉土地,地势崎岖。