1.平翻和深松交替进行根据昌图地区自然特点,应实行以平翻为主结合中耕深松的耕法.如在砂粘间层的河淤土上,为了使砂粘掺混,改良土壤,深松的效果往往不如翻地.深松必须结合施肥才能迅速熟化土壤,为了更好地翻埋肥料,必须翻地.为此应隔年交替进行翻耕和深松. 1. Flip and subsoil Alternate According to the natural characteristics of Changtu region, should be implemented mainly by flat-tillage cultivating subsoiling tillage method, such as sand and clay in the river silt, in order to make sand and viscous mixing, Soil improvement, subsoiling effect is often not as good as turning the ground. Subsoiling fertilizer must be combined with the rapid maturation of the soil, in order to better turn over the fertilizer, you have to turn .To this end should alternate tilling and subsoiling.