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王燕飞;于伯成;刘华君;刘军;杨洪泽
摘要: 对北疆甜菜地块不同土壤养分和前茬进行养分分析测定试验,结果表明:不同土壤和前茬中养分发生明显变化,使含糖率下降10.57~3.8个百分点,特别是速效磷和速效锌含量较对照地块下降185.4~163.4 mg/kg和16.05~13.38 mg/kg.在甜菜块根分化形成期和块根增长期补充速效磷和速效锌将会促进糖分转化,提高含糖率和防治腐烂病发生.
王燕飞;于伯成;刘华君;刘军;杨洪泽. 土壤养分变化对甜菜产量及质量的影响[J]. .
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