问:
小麦秸秆中的氮磷钾含量各是多少? 秸秆中氮、磷、钾含量分别为0.34~9.59,0.02~2.34和6.50~38.5g·kg-1,平均值分别为3.38,0.613和16.3g·kg-1。秸秆中氮含量在2.0~4.0g·kg-1的占60.2%,磷含量在0.1~0.5g·kg-1的占51.5%,而钾含量在10.0~20.0g·kg-1的占60.9%。 |
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