叶片连接
Root nodule nitrogen-fixing fermentation activity was higher with of application of 2.0 mg Se/ kg soil, where it was 49.41% higher than in control plot.
根瘤固氮酶活性以施用2mg Se/kg土的处理为最大,比对照增加了49.41%。
This is caused by fixing the root cause of the low rate, it's hard to avoid.
这是造成固色率低的根本原因, 很难避免.
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