Substantial amounts of land may have to be converted from irrigated to dryland farming systems. 大量土地可能不得不从灌溉转为旱地耕作。
Among all of the grain crops in the province, dryland corn on Black soils ranks first in planting acreage, accounting for half of total arable land in the province. 在全省粮食作物中，旱地黑土玉米播种面积位居榜首，占全省总耕地面积一半。
