山东省黄县深山地区,群众在沿河两岸建大石井取水灌溉山坡梯田已有多年的历史。解放以来,特别是1958年大跃进以来,这种井得到了迅速发展,效果很显著。大吕家公社下丁家大队利用大石井灌溉的梯田,占全队总灌溉面积30%以上。大石井多建在河谷两岸, Huangshan County, Shandong Province, the mountains, the masses in the coastal along the river built Ishii irrigated hillside terraces have many years of history. Since the liberation, especially since the Great Leap Forward in 1958, the well has witnessed rapid development with remarkable results. Large Lvjia commune under Ding family brigade Dashijing irrigation terraces, accounting for more than 30% of the total irrigation area of ​​the team. Dashi Jing more built in the valley across the Taiwan Strait,