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山丹县霍城公社西关大队1979年集体和个人共种植甘兰型大油菜212亩;总产9万斤,平均亩产424.5斤。七队一社员的1.82亩油菜,实收1320斤,折亩产725.3斤。他们根据当地春夏气温低,秋季降雨多,空气湿度大和土壤含有机质多,疏松细绵的自然特点.总结出以下栽培措施:1.精细耕犁土地,边犁边整平地面,灌透冬水,做好冬春保墒。2.施足底肥。亩施农家肥30至40架子车,磷肥50斤作基肥,硝铵15斤作种肥。3.适时早播,至迟四月二十日以前播种。4.播种前先浅犁施肥,扬种二至三遍,亩下种2—2.5斤,播后细耙细耱,确保全苗。5.适时锄草间苗。幼苗四至六片真叶时锄头遍草并问苗,每
Shandan County Huocheng commune West Brigade in 1979 collective and individuals planted a total of 212 acres of Brassica oleracea; total output of 9 kg, an average yield of 424.5 kg. Seven members of a team of 1.82 acres of rape, closing 1320 pounds, folding yield 725.3 pounds. They are based on the local spring and summer low temperature, autumn rainfall, air humidity and soil organic matter, loose natural characteristics of thin cotton summed up the following cultivation practices: 1 fine plow the land, plow edge while leveling the ground, winter Water, good winter and spring preservative. 2. Shi enough base fertilizer. Mushi farmhouse 30 to 40 shelves, 50 pounds of phosphorus fertilizer for basal, ammonium nitrate 15 pounds for seed fertilizer. 3. Sowing early, timely sowing by 20 April. 4. Sowing shallow plow prior to sowing, Yang species from two to three times, mu under the kind of 2-2.5 kg, after sowing fine rake thinning, to ensure that the whole seedlings. Timely weeding grass seedlings. Seedlings four to six true leaves when the hoe and ask Miao, each