MA Xing-zhu,ZHOU Bao-ku,ZHANGXi-lin,et al.Effects of Conservation Cultivation on Black Soil Physic-ChemicalProperties in Arid Area[J].HEILONGJIANG AGRICULTURAL SCIENCES,2009,(06):55-57,65.[doi:10.11942/j.isn1002-2767.2009.06.0055]
保护性耕作对贫瘠型黑土区土壤理化特性的影响
- Title:
- Effects of Conservation Cultivation on Black Soil Physic-ChemicalProperties in Arid Area
- 文章编号:
- 1002-2767(2009)06-0055-03
- 分类号:
- S157.4
- 文献标志码:
- A
- 摘要:
- 摘要:以贫瘠型黑土区土壤为供试对象, 对 2种保护性耕作措施(模式 1为秋季深松、平播+秸秆还田;模式 2为秋季深松起垄+根茬还田)下土壤的理化特性进行研究。 结果表明:2种保护性措施可以增加土壤有机质含量, 提高土壤 pH,其中秸秆还田措施效果最明显;对土壤不同速效养分含量影响不同;对土壤物理性质的影响主要表现为降低土壤容重和增加土壤田间持水量。 不同的保护性耕作措施对于提高土壤肥力、改善土壤物理特性起到重要作用。
- Abstract:
- Abstract:Soil physic-chemical properties were studiedinarid area under two conservation cultivations(one was deep plough,flat sowing and straw-mulching, the other was deep plough and ridge forming, rootstalks and field).It was found that twoconservation cultivations couldincrease the content of soil organic matter, raise the pH, and the straw-mulching had the grea-test effects, it was also had different results due to different available nutrition.Besides, the conservation cultivations couldreduce soil bulk density, increase field moisture capacity.Different conservation cultivations took important role inincreasingsoil fertility and improving soil physical properties.
参考文献/References:
[ 1] 张荣群, 刘黎明, 张凤荣.我国土壤退化的机理与持续利用管理研究[ J] .地域研究与开发, 2000, 19(3):52-54.
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备注/Memo
基金项目:黑龙江省重点科技攻关项目(GB06B107-3)第一作者简介:马星竹(1980-), 女,黑龙江省哈尔滨市人, 助理研究员, 主要从事土壤植物营养学研究.E-mail:maxingzhu@163.com。通讯作者:周宝库 (1963-), 男, 黑龙江省延寿县人, 研究员, 主要从事土壤与植物营养研究。E-mail:perfectmxz@yahoo.com.cn。