大荔县农业土壤养分丰缺评价与分析

王康振,胡 明,范逸飞,李敏强,孙 磊,杨 莹

中国农学通报. 2018, 34(29): 64-68

中国农学通报 ›› 2018, Vol. 34 ›› Issue (29) : 64-68. DOI: 10.11924/j.issn.1000-6850.casb17120127
资源 环境 生态 土壤 气象

大荔县农业土壤养分丰缺评价与分析

  • 王康振,胡 明,范逸飞,李敏强,孙 磊,杨 莹
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Agricultural Soil Nutrients Evaluation and Analysis: Dali County

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摘要

通过对大荔县农业土壤490 个采样点的pH值、有机质、全氮、碱解氧、有效磷、速效钾等基本元素进行检测，利用Microsoft Excel 2010 软件将数据进行统计和处理，对土壤养分中的上述元素做出一个描述性概括，结果发现：大荔县农业土壤以碱性为主；有机质含量属于中度缺乏状态，全氮则是轻微缺乏状态；碱解氮则属于较缺乏状态；有效磷含量则是中等偏低；速效钾的含量为适量偏丰富。从测定结果中可知道，大荔县农业土壤可采用改变土壤酸碱性、加大氮肥和磷素的投入量来提升土壤肥力，从而提高农作物产量和品质。

Abstract

The authors analyzed pH value, organic matter, total nitrogen, alkaline hydrolysis nitrogen, available phosphorus and available potassium of 490 agricultural soil samples collected in Dali County. The data were statistically summed up by Microsoft Excel 2010. The results showed that agricultural soil in Dali County were mainly alkaline. The content of organic matter was moderately deficient and the total nitrogen was slightly deficient. The content of alkaline hydrolysis nitrogen was deficient; available phosphorus was moderately low; available potassium was moderately rich. It is concluded that the soil fertility could be improved by changing soil pH value, increasing the inputs of nitrogen and phosphorus, thus to improve the crop yield and quality.

关键词

大荔县土壤养分;评价分析;土壤肥力质量

Key words

soil;nutrient in;Dali County, evaluation, soil;fertility quality

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王康振,胡 明,范逸飞,李敏强,孙 磊,杨 莹. 大荔县农业土壤养分丰缺评价与分析. 中国农学通报. 2018, 34(29): 64-68 https://doi.org/10.11924/j.issn.1000-6850.casb17120127
Agricultural Soil Nutrients Evaluation and Analysis: Dali County. Chinese Agricultural Science Bulletin. 2018, 34(29): 64-68 https://doi.org/10.11924/j.issn.1000-6850.casb17120127

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