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大家知道,农业的基本任务就是提高土壤的肥沃性。社会主义农业要感谢威廉斯所创造的草田轮作制,在组成草田轮作制基本环节之一的多年生牧草有高产量的地区中,这个有效的制度提高了土壤的肥沃性,从而提高了产量。但是可惜
We all know that the basic task of agriculture is to increase the fertility of the soil. Socialist agriculture would like to thank Williams for the creation of the Cairtian rotation system. This effective system has increased the fertility of the soil and thus increased the yield of perennial grasses that are one of the basic components of the Cairn rotation system. But unfortunately