一、深翻地效果我社是在黄河以南平原地区。天气比較溫暖,变化不大,全年降水量在700-800毫米左右,有216天生长期。土壤肥瘦不等,以黄沙土和黄土为主,土层3—4尺厚,粗細一致。根据中国科学院土壤分析为輕壤土。一年能收二次庄稼,在深耕細作、合理换茬后,每次产量都比未深翻的地高。我们这里的耕地,解放前耕作粗放,犂地只4寸 First, the effect of deep plowing I clubs in the Yellow River south of the plains. The weather is relatively warm, little change, the annual precipitation is about 700-800 mm, 216 days of growth. Feishou soil ranging from yellow sand and loess-based, 3-4 feet thick soil, the same thickness. According to the Chinese Academy of Sciences soil analysis for light loam. A year can receive two crops, deep plowing, rational replacement stubble, each yield is higher than the depth of deep. Our farmland here, before liberation, extensive farming, plowing only 4 inches