分次施钾对强筋冬小麦籽粒产量和品质的影响

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试验于山东农业大学农学试验站的防雨池中进行两年试验(2010-2012),试验选用四个小麦品种(济麦20、藁城8901、烟农19和济南17)进行栽培。设置了不施用钾肥处理(K0),一次性基施钾肥处理(K1)和分次施钾处理(K2),用于研究分次施钾对小麦籽粒产量和品质形成的影响。得到主要的研究结果如下:1不同钾肥处理对小麦籽粒中蛋白质及其组分含量累积动态的影响研究结果表明,小麦籽粒灌浆过程中,粗蛋白含量的累积呈现出先降低后升高的“V”型曲线。灌浆前期籽粒中蛋白质含量变化呈现下降趋势,至
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