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一、少耕法和免耕法的概念与效果 本世纪五十年代初,西方国家开始在小面积土地上进行减少土壤耕作的试验,形成了少耕法,随后又从少耕法发展到除了将种子播进土壤外,不进行任何土壤耕作的最少量耕作法,也叫做免耕法。 称之为免耕法严格地说并不确切,因为它不可能免去一切耕作。它至少必须在留茬地上灭茬开沟,进行播种。灭茬与播种可以在一次联合作业中进行,也可用不同工具分
I. The Concept and Effect of Less Tillage and No-Tillage Methods In the early 1950s, western countries began to experiment with reducing soil tillage on a small area of land, resulting in less tillage and subsequent development from less tillage The minimum amount of tillage to sow seeds outside the soil without any soil cultivation is also called no-tillage. It is not strictly true that the zero-tillage method, as it is impossible to avoid all farming. It must at least stubble stubble ditching stubble for planting. Stubble and planting can be carried out in a joint operation, can also be divided into different tools