论文部分内容阅读
遵照华主席“建设大寨县,必须把农田基本建设当作一项伟大的社会主义事业来办”的指示精神,铜仁地区大力开展农田基本建设,以改土治水为中心,大搞土变田,人造小平原和小丘变大丘等,以提高土地的利用。该地区土壤以红黄壤为主,低产田土比较多,一般中下等肥力的约占70%左右,红黄壤一般肥力不高,加之在新开田时的挖方填方,土壤层次往往被打乱。新开田
In accordance with the directive of Chairman Hua “to build Dazhai County, we must treat farmland as a great cause of socialism”, Tongren Prefecture vigorously carried out farmland infrastructures, and took soil improvement and water control as the center, , Man-made small plains and small mounds into the mound, etc., in order to improve land use. The area is dominated by red and yellow soils, with low-yielding soils, generally about 70% of middle and lower fertility and low fertility of red-yellow soils, in addition to the often-disrupted soil layers at the time of newly opened fields . New Kaida