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本试验旨在研究氮素施用量和施用期对“武香粳9号”稻米品质的影响。1 材料与方法1.1 供试品种 早熟晚粳“武香粳9号”。1.2 试验时间和地点 于2000、2001年在金坛市农试站基地上试验,土质为白土。1.3 试验处理 氮素总用量为(1)高肥,亩施纯氮21kg;(2)
The purpose of this experiment was to study the effect of nitrogen application rate and application period on the quality of rice “Wu Xiangjing 9”. 1 Materials and methods 1.1 The test varieties precocious late japonica “Wu Xiangjing 9 ”. 1.2 Test time and place In 2000, 2001 in Jintan agricultural station base test, the soil is white clay. 1.3 The total amount of nitrogen treatment test (1) high-fat, Mushi nitrogen 21kg; (2)