GONGXiu-jie,QIAN Chun-rong,YU Yang,et al.Effects of Subsoiling and Fewer-tillage on Soil Physical Characters and the Yield[J].HEILONGJIANG AGRICULTURAL SCIENCES,2009,(05):32-34,40.[doi:10.11942/j.isn1002-2767.2009.05.0032]
深松少耕技术对土壤物理性状及玉米产量的影响
- Title:
- Effects of Subsoiling and Fewer-tillage on Soil Physical Characters and the Yield
- 文章编号:
- 1002-2767(2009)05-0032-03
- Keywords:
- Key words:maize; subsoiling ; fewer -tillage; soil physical characters; yield
- 分类号:
- S513
- 文献标志码:
- A
- 摘要:
- 通过对土壤容重、土壤含水量、土壤田间持水量及产量的测定和分析, 研究了深松少耕技术对土壤物理性状、水分利用率、土壤蓄水能力及玉米产量的影响。 结果表明:深松少耕后, 土壤容重在土壤耕层 10~ 40 cm的范围内比对照降低22.1个百分点;土壤含水量在土壤耕层10~ 30cm范围内高于对照, 差异达显著水平, 并在 15~ 25 cm 达极显著水平;土壤耕层0~ 50 cm 范围内田间持水量均高于对照, 差异达到显著或极显著水平;同时, 深松少耕后玉米田增产1 602 kg·hm-2 , 差异达到显著水平。
- Abstract:
- Abstract:According to the mensuration and analysis of soil permit heaviness, soil moisture, soil maximum moisture and theyield, the effects of subsoiling and fewer-tillage on soil physical characters, water use efficiency, soil conservation storagecompetence and maize yield were studied.After the subsoiling and fewer-tillage, the results indicated:soil permit heavinessdescend 22.1 percent point thanCK in 10~ 40 cm soil depth;soil moisture higher than CK in10~ 30 cm soildepth, the dis-crepancy attained notable level in 10~ 30 cm soil depth, the discrepancy attained maximum notable level in 15~ 25 cm soildepth;soil maximum moisture higher than CK in0~ 50cm soil depth;the yield higher 1602 kg·hm -2 than CK , the discrep-ancy attained notable level.
参考文献/References:
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备注/Memo
基金项目:哈尔滨市科技攻关计划项目(2008AA6BN022)第一作者简介:宫秀杰(1978-), 女, 吉林省松原市人, 硕士,研究实习员, 从事作物遗传育种研究, E-mail:gongxiu2546@sina.com。通讯作者:钱春荣(1973-), 女, 在读博士, 主要从事作物育种及耕作栽培研究,E-mail:qianjianyi318@163.com。