| 山地李园树盘覆盖效应研究 |
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| 引用本文： | 王进,欧毅,谢永红,代正林.山地李园树盘覆盖效应研究[J].西南农业大学学报,2006,28(4):601-605. |
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| 作者姓名： | 王进 欧毅 谢永红 代正林 |
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| 作者单位： | 重庆市果树研究所,重庆江津402260 |
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| 基金项目： | 重庆市科委攻关资助项目（03-7851） |
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| 摘 要： | 研究了山地李果园秸秆覆盖和地膜覆盖条件下，对土壤水热变化规律、土壤理化性状、树体生长结果的影响。3a定位试验结果表明，覆盖提高了果园各层土壤水分含量和土壤养分的有效性，改善了果园土壤的结构和性状、增加了植株根系数量和根系活力。对叶片数量、质量、叶片大小以及枝条抽生数量、质量和树冠大小、叶面积系数等指标均有良好的优化作用。秸秆覆盖有降低生长季节土温和增加冬季低温的作用，地膜覆盖有增加土温的作用。
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| 关 键 词： | 李 覆盖 土壤性状 树体生长 结果 |
| 文章编号： | 1000-2642（2006）04-0601-05 |
| 收稿时间： | 03 12 2006 12:00AM |
| 修稿时间： | 2006-03-12 |
EFFECTS OF MULCHING ON A PLUM ORCHARD |
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| WANG Jin,OU Yi,XIE Yong-hong,DAI Zheng-lin.EFFECTS OF MULCHING ON A PLUM ORCHARD[J].Journal of Southwest Agricultural University,2006,28(4):601-605. |
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| Authors: | WANG Jin OU Yi XIE Yong-hong DAI Zheng-lin |
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| Institution: | Chongqing Fruit Research Institute, Jiangjin, Chongqing 402260, China |
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| Abstract: | Maize stalk or plastic film mulching was made in a 3-year experiment in a plum (Primus salicina Lindl. ) orchard, and its effects on the water and heat variation in the soil, the soil chemical and physical properties and the growth and fruit-setting of the trees were investigated. Mulching increased the moisture in various layers of the soil and the availability of soil nutrients, improved soil structure and properties and enhanced root quantity and activity of the trees. Mulching tended to optimize the indices of leaf number, leaf quality , leaf size, shoot number and quality, crown diameter and leaf area index. Maize straw mulch reduced soil temperature in summer and raised it in winter. Plastic film mulch increased soil temperature. |
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| Keywords: | plum soil property tree growth fruit-set |
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