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本文研究了NPK施用水平对甜菜叶片、叶柄、块根中绝对含氮量、绝对含磷量、绝对含钾量的影响,指出甜菜全株及各器官的绝对含氮量、绝对含磷量及绝对含钾量在各生育时期均随NPK施用量的增加而提高,并呈明显正相关.
不同NPK营养水平对甜菜营养、光合效率及产量形成的影响(一)NPK营养水平对甜菜营养状况的影响
【摘 要】
：
本文研究了NPK施用水平对甜菜叶片、叶柄、块根中绝对含氮量、绝对含磷量、绝对含钾量的影响,指出甜菜全株及各器官的绝对含氮量、绝对含磷量及绝对含钾量在各生育时期均随NP
【机 构】
：
黑龙江旅游职业技术学院,东北农业大学,嫩江县农业技术推广中心
【出 处】
：
中国甜菜糖业
【发表日期】
：
2004年期
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