摘要
通过对1595个土壤样品的化验分析的结果显示:耕层土壤有机质、全N、速效P、速效K较全国第2次土壤普查较1994年数据均有所增加,其中有机质、全N、速效P、速效K增加值分别为11.83g/kg、0.59g/kg、7.63mg/kg、12.8mg/kg;5.31g/kg、0.37g/kg、5.69mg/kg、21.98mg/kg。
1595 soil samples in plow layer were collected form HanJiang and analyed with the methods suggested by the agrieuhural ministry. The result showed that the eontents of soil organic matter , total nitrogen, available phosphorous and available potassium were higher than that of the second general detailed soil survey and the survey of 1994, and their increasing value were 11.83 g/kg, 0. 59 g/kg, 7. 63 mg/kg, 12. 8 mg/kg and 5. 31 g,/kg, 0. 37 g/kg, 5.69 mg/kg, 21.98 mg/kg.
出处
《安徽农学通报》
2009年第7期99-100,98,共3页
Anhui Agricultural Science Bulletin
关键词
土壤养分
有机质
微量元素
Soil nutrients
organic matter
trace elements