【摘要】 “丰产沟”技术乃是对旱薄地土体构型实行后就改造,以便改良土壤理化生物特性、提高土壤肥力及物能循环方向的旱集优技术.经实践,十年左右既开设旱薄地生土熟化,又能改熟地耕层增厚近一倍.从而改变了农田生态,提高地力.更多还原

【Abstract】 The technology in getting bumper crops gaily is technology in collecting esx-ceilent dry agriculture, so as to improve the soil characteristics of physics and chemistry, to transform the soil structure mould for dry and thin farmland and to raise the soil fertility. Through proutice in ten years it can not only mellow the soil but also increase the thickness of soil, thus changing farmland ecosystem and raising the soil fertility.更多还原