Method Contents of N, P and K in tissue culture medium of test-tube plantlet of rehmannia glutinosa were determined by the methods of salicylic acid nitrofication process, molybdenum blue method and ion selective electrode method, respectively.

  • 方法稀释不同倍数MS培养液模拟不同培养时间的地黄试管苗组织培养基,分别用水杨酸硝化法、钼蓝法、离子选择电极法测定N,P,K元素的含量。

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