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一、试验方法供试土壤为潮褐土,排灌条件良好.土壤有机质、含氮量属中等偏低,碱解氮和速效磷含量属中等水平,速效钾为低水平、pH7.6.常年冬小麦产量每亩300公斤左右. 试验区深耕20厘米,1991年10月20日播种,品种为鲁麦1号,每亩追越冬肥尿素10公斤,返青期追磷酸二铵20公斤,冬前浇越冬水,春季浇返青水及灌浆水各1次,6月6日田间测产,6月8日收割.
First, the test method for the test soil is moist cinnamon soil, irrigation and drainage conditions are good. Soil organic matter, nitrogen content is moderately low, available nitrogen and available phosphorus content is medium level, low available potassium, pH7.6 perennial winter wheat Yield of about 300 kg per mu Experimental area deep plowing 20 cm, sowing on October 20, 1991, breed Lumai 1, chasing winter fertilizer urea 10 kg per acre, 20 kg of ammonium phosphate chase back to green, winter before pouring winter Water, spring poured green water and grouting water 1 times, June 6 field test, June 8 harvest.