大口井(有的地方叫方塘)井口面积小的半亩,大的4～5亩。深度根据地下水位确定,浅的3米,深的5～7米。是丘陵山地充分利用地表水、地下水、山泉水等水源的一项有效措施。今年,我县各社队根据丘陵、山地、平川等不同地势的具体条件,在抗旱斗争中,打了40多眼大口井,扩大了水浇地面积。 Large well (in some places called Fang Tong) Wellhead area of ​​a small half acres, a large 4 to 5 acres. Determine the depth of the groundwater table, shallow 3 meters, deep 5 to 7 meters. It is an effective measure to make full use of surface water, groundwater and spring water in hilly and mountainous areas. This year, according to the specific conditions of different terrain in hills, mountains and Hirakawa, various social teams in our county have fought more than 40 large-scale wells in the fight against drought and expanded the irrigated area.