Characteristics and Pattern of Change in Nitrogen, Phosphorus and Potassium Content in Various Organs of a Precocious Walnut Cultivar at Its Different Growth Stages是什麼意思_Characteristics and Pattern of Change in Nitrogen, Phosphorus and Potassium Content in Various Organs of a Precocious Walnut Cultivar at Its Different Growth Stages在線翻譯_英語_讀音_用法_例句