海口市琼山区土壤速效养分状况调查 |
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引用本文: | 黄 春. 海口市琼山区土壤速效养分状况调查[J]. 热带作物学报, 2010, 30(4): 33-36 |
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作者姓名: | 黄 春 |
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作者单位: | 海口市农业技术推广中心 海南海口 570206 |
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摘 要: | 调查分析海南省海口市琼山区土壤养分现状,对该区8个乡镇的2 644个土样检测结果进行统计分析。结果表明:海口市琼山区土壤肥力水平较高,但各养分含量不均匀,特别是磷素含量严重缺乏;氮和钾素供应水平适中,而且各个地区含量不平衡,相差较大。此次土壤养分调查结果揭示了海口市琼山区不同地区的土壤养分状况,为今后耕地地力综合评价和科学施肥提供了参考依据。
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关 键 词: | 土壤养分 ;有机质 ;碱解氮 ;速效磷 ;速效钾 |
Soil Nutrient Situation in Qiongshan District of Haikou City |
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Affiliation: | Agricultural Technology Extension Center of Haikou City, Haikou, Hainan 571737 |
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Abstract: | The soil fertility in Qiongshan District of Haikou City was investigated, and 2644 soil samples were collected from 8 towns and villages and analyzed. The results showed the soil nutrients were high, but the soil nutrient contents were uneven. Especially, the available phosphorus was seriously deficient. The AN and AK were normal but not balanced in different areas. This provides reference for soil management and fertilization. |
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Keywords: | soil nutrient organic matter available N available P available K |
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