中国稻米 ›› 2014, Vol. 20 ›› Issue (2): 93-95.DOI: 10.3969/j.issn.1006-8082.2014.02.032

• 品种与技术 • 上一篇    下一篇

东至县水稻土养分状况分析

  1. 东至县土壤肥料工作站,安徽 东至 247200
  • 出版日期:2014-03-20 发布日期:2014-03-20

Research on Paddy Soil Nutrient Status and Development in Dongzhi County

  • Online:2014-03-20 Published:2014-03-20

摘要: 2006-2012年每年秋收后,东至县土壤肥料工作站都对全县稻田土壤进行取样化验,共采集土壤农化样3 780个。化验结果表明,东至县土壤有机质平均为26.78 g/kg、全氮平均为1.67 g/kg、有效磷平均为19.16 mg/kg、速效钾平均为88.42 mg/kg、pH值平均为5.23;与第二次土壤普查时的养分状况相比,目前东至县土壤有机质、全氮、有效磷、速效钾的含量均有所提高,增幅大小依次为有效磷>速效钾>全氮>有机质,土壤pH值呈下降趋势。

关键词: 水稻土, 土壤养分, 东至

Abstract: Soil and fertilizer station of Donzhi County collected and analysed 3780 soil samples after autumn harvest from 2006 to 2012 in Dongzhi county. The results showed that the average organic matter level in paddy field soil was 26.78 g/kg; the average total nitrogen level was 1.67 g/kg, the average available phosphorus level was 19.16 mg/kg, the average available potassium level was 88.42 mg/kg, and the average pH value was 5.23. Compared to the results of the second national soil survey, the contents of organic matter, total nitrogen, available phosphorus and available potassium increased, and the increasing order of the growth rate were available phosphorus > available potassium> total nitrogen > organic matter. However, the pH value of paddy field soil decreased.

Key words: paddy soil, soil nutrition, Dongzhi county

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