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| 双行凹型垄及覆盖措施对黔北烟区耕层土壤水分的影响 | |
| 引用本文： | 袁家富,李家俊,彭成林,梁永江,罗明清,田维强,汪维维,徐祥玉.双行凹型垄及覆盖措施对黔北烟区耕层土壤水分的影响[J].中国烟草科学,2007,28(6):27-32. |
| 作者姓名： | 袁家富 李家俊 彭成林 梁永江 罗明清 田维强 汪维维 徐祥玉 |
| 作者单位： | 1. 湖北省农业科学院植保土肥研究所,武汉,430064 2. 贵州省烟草公司遵义市公司,贵州,遵义,563000 3. 贵州省烟草公司遵义市公司仁怀市分公司,贵州,仁怀,564500 4. 贵州省烟草公司遵义市公司遵义县分公司,贵州,遵义,563000 |
| 基金项目： | 贵州省烟草公司科技攻关项目 |
| 摘 要： | 在黔北烟区平坦黄壤旱地和15°、25°黄壤旱坡地上,以单行垄地膜覆盖、团棵揭膜为对照,研究了双行凹型垄及其覆盖技术对10 cm和20 cm土层土壤水分的影响。结果表明:一般情况下,浅表层(垄表下10 cm)的含水率高于较深层次(垄表下20 cm),灌溉可以打破这一规律;双行凹型垄较单行垄能促进自然降水向垄体内补充水分,增加垄内土壤的含水率或降低土壤水势;在双行凹型垄上全生育期覆盖地膜,可抑制浅表层土壤水分的无效散失,保水效果明显;在双行凹型垄全生育期覆盖地膜的基础上,遇旱灌溉能提高耕层土壤含水率或降低土壤水势,进一步优化了土壤水分环境。 |
| 关 键 词： | 烟草 双行凹型垄 耕层土壤 水分 |
| 文章编号： | 1007-5119（2007）06-0027-06 |
| 收稿时间： | 2007-05-16 |
| 修稿时间： | 2007-10-30 |
Effects of Bi-row Concave Ridge and Film-mulching on Soil Moisture of Tillage Layer in North Guizhou Tobacco Area |
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| YUAN Jiafu,LI Jiajun,PENG Chenglin,LIANG Yongjiang,LUO Mingqing,TIAN Weiqiang,WANG Weiwei,XU Xiangyu.Effects of Bi-row Concave Ridge and Film-mulching on Soil Moisture of Tillage Layer in North Guizhou Tobacco Area[J].Chinese Tobacco Science,2007,28(6):27-32. | |
| Authors: | YUAN Jiafu LI Jiajun PENG Chenglin LIANG Yongjiang LUO Mingqing TIAN Weiqiang WANG Weiwei XU Xiangyu |
| Abstract: | The experiment was carried out both in flat and sloping tobacco fields of north Guizhou Province to study the effects of of bi-row concave ridge and film-mulching on soil moisture at 10 and 20 cm tillage layers.The results showed that the soil moisture content was higher in 10 cm than in 10-20 cm under ridge surface without irrigation.The Bi-row concave ridge increased the soil moisture content and decreased the soil moisture potential in rows.In the whole period of tobacco growth,film mulching on the bi-row concave ridge reduced evapotranspiration from surface soil.These effects were further strengthened with irrigation treatment when drought occurred. |
| Keywords: | tobacco bi-row concave ridge tillage soil moisture |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |
