弗雷葡萄叶中氮·磷·钾含量年动态变化规律研究
불뢰포도협중담·린·갑함량년동태변화규률연구
Contents of N,P and K in Leaves and Petioles of Flame Seedless Grape(Vitis vinifera cv.Frey) and Its Annual Dynamic Rhythm
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