在排水改良的土地上种植农作物,按照集约精耕技术,就是在暗排作用效果良好的条件下,仍要求提高排水改良土地的肥力,方能获得农作物的高产。但是,农业生产上应用的高速宽柄机器,在轮式拖拉机K—701和T—150K的基础上,使土壤严重压实,土 Planting crops on improved drainage land, in accordance with intensive farming techniques, still requires increasing the fertility of drainage to improve land under the conditions of well-conceived drainage so as to obtain high yields of crops. However, the high-speed wide-gripper machine used in agricultural production, based on the wheeled tractors K-701 and T-150K, severely compacted the soil, soil