HU Ming.Study on Modern Intensive Agriculture Production Mode in Farmland Soil Fertility Quality Evolution Trend[J].Northern Horticulture,2012,36(20):152-155.
现代密集型农业生产模式下农田土壤肥力质量演化趋势研究
- Title:
- Study on Modern Intensive Agriculture Production Mode in Farmland Soil Fertility Quality Evolution Trend
- 文章编号:
- 1001-0009(2012)20-0152-04
- 分类号:
- S 151
- 文献标志码:
- A
- 摘要:
- 以1982年全国土壤普查材料为背景值,对2010年关中灌区农田土壤养分状况做了系统研究,分析了白水县土壤养分的变异趋势。结果表明:关中灌区土壤有机质、全氮、碱解氮、有效磷含量均比1982年土壤普查时有很大程度的提高,速效钾整体呈现出下降趋势。当地农业用地土壤养分的提高与化肥投入量和秸秆还田等现代化农业耕作方式有关。
- Abstract:
- Taking the 1982 national soil survey data as a backdrop,the variation tendency of soil nutrients in farmland in Guanzhong irrigation district was analyzed.The results showed the contents of organic matter,total nitrogen,alkali-hydroly zable nitrogen and available phosphorus in Guanzhong irrigation soil greatly increased compared with the date of 1982,available potassium presented the whole decline.The improvement of agricultural land soil nutrient were relative with fertilizer input and straw returned modern agricultural cultivation way.
参考文献/References:
[1]沈其荣.土壤肥料学通论[M].北京:高等教育出版社,2001:63. [2]刘克桐.河北省主要农田土壤肥力变化趋势[J].河北农业科学,2005(3):35. [3]陆欣.土壤肥料学[M].北京:中国农业大学出版社,2002:482.
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备注/Memo
作者简介:胡明(1978-),男,硕士,讲师,现主要从事土地利用和水土保持方面及农业化学方面的研究工作。E-mail:hm5109@163.com.