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一、田间试验基本情况箭舌豌豆绿肥麦后复种,七六年由于特大雨灾的影响,播种延迟到8月15日。淌水一次,生长76天,10月31日机翻埋压。播种时带种肥尿素每亩5斤,三料过磷酸钙3斤,翻压前绿肥产量每亩2134斤(鲜重)。按箭舌豌豆含氮0.63％、含磷0.19％折算,每亩相当于普钙24.5斤,硫铵95斤,充分显示了种植绿肥以小肥换大肥的优越性。绿肥对照选择在相邻的地块,前茬麦后复种小谷草,10月31日用机翻一遍。77年上猪圈
First, the basic situation of field trials tongue tongue pea green manure after wheat, seventy-six due to extraordinary rainstorm, sowing delay until August 15. Tang Shui once, the growth of 76 days, October 31 machine embarked pressure. Sowing with urea fertilizer 5 kg per acre, three superphosphate 3 kg, before turning pressure green manure yield 2134 kg per mu (fresh weight). According to the tongue pea nitrogen 0.63%, phosphorus 0.19% conversion, equivalent to 24.5 kg of calcium per acre, ammonium sulfur 95 pounds, fully demonstrated the advantages of planting green manure to fat for fat. Selection of green manure in the adjacent plots, wheat stubble after the previous crop of grass, on October 31 with the machine again. 77 years on the sty