【摘要】 试验结果表明 ,随着施肥量的增加和氮磷肥配比的合理 ,邯 4 5 6 4小麦的单株成穗率、干物质积累量、有效穗数、千粒重随之增加。各处理产量与对照相比 ,均存在显著差异 ,其中N337 5P180 处理产量最高 ,N2 2 5P180 为最佳施肥处理更多还原

【Abstract】 It was indicated that the amount of accumulation of dry matter,useful ears of per plant,useful ears perhectare and 1000 kemel grain weight was increased with amount of nitrogen fertilizer and phosphorus frtilizer.The treatment of the highest yield was N 3P 2,The best was N 2P 2.更多还原