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应用机械方法破碎心土已成为日本改良重粘土的主要方法之一。文中介绍了心土破碎机的构造,适宜应用此法的土壤,以及破碎机的改土排涝效果及增产效果等。
The use of mechanical methods to crush heart and soil has become one of Japan’s major methods to improve heavy clay. The paper introduces the structure of heart crusher, the soil suitable for applying this method, the effect of soil improvement and drainage of crusher and the effect of increasing yield.