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小麦公顷产量3吨以上时,必须讲究科学合理施肥。一是根据土壤养分化验的数据和计划产量指标来确定施肥量;二是掌握科学的施肥方法。从1990年小麦“丰收计划”攻关田来看,克山农场6667公顷攻关田,平均公顷施氮磷肥(纯量,下同)151.8千
Wheat ha 3 tons of output or more, we must pay attention to scientific and rational fertilization. First, according to the soil nutrient laboratory data and the planned yield indicators to determine the amount of fertilizer; the second is to master the scientific methods of fertilization. From 1990 wheat “harvest plan” to attack the field of view, Keshan farm 6667 hectares of field research, the average hectare of nitrogen and phosphorus fertilizer (pure, the same below) 151.8 thousand