As to the different parts of the plant in filling stage, the lower senescing stems and leaves volatilized more ammonia than the upper normally growing ears and flag leaves.
英
美
释义
同一植株不同部位的挥发量相差很大,下部衰老茎叶的氨挥发量明显高于生长正常的上部穗和旗叶。
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