| 灌木固沙林改良土壤效益分析 |
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| 引用本文： | 周米京,高城雄,郝文功,高国雄,朱首军.灌木固沙林改良土壤效益分析[J].水土保持通报,2009,29(1):138-141. |
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| 作者姓名： | 周米京 高城雄 郝文功 高国雄 朱首军 |
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| 作者单位： | 周米京,高国雄,朱首军,ZHOU Mi-jing,GAO Guo-xiong,ZHU Shou-jun(西北农林科技大学资源环境学院,陕西杨凌,712000);高城雄,GAO Cheng-xiong(西北农林科技大学资源环境学院,陕西杨凌712000;韩城市薛峰水库管理处,陕西韩城715400);郝文功,HAO Wen-gong(榆林市林业局,陕西榆林,719000)
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| 基金项目： | 西北农林科技大学科研启动基金 |
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| 摘 要： | 对榆林沙区固沙灌木林地的土壤养分进行了测定.分析结果表明,灌木固沙林具有明显的改良土壤的作用,该区沙地防风固沙林地土壤有机质明显增加,养分状况得到较大改善,其中土壤有机质增加2.2～20.6倍,全N增加2～22倍,速效P增加0.7倍,速效K增加41%,而土壤pH值变化不显著,均呈微碱性.研究结果表明,沙地土壤改良是一个非常缓慢的过程,榆林沙地土壤养分总体仍呈现贫瘠状态.
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| 关 键 词： | 灌木固沙林 土壤改良 榆林沙地 |
| 收稿时间： | 8/5/2008 12:00:00 AM |
| 修稿时间： | 2008/9/28 0:00:00 |
Benefits of Shrub Sand-fixation Forest for Soil Improvement |
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| ZHOU Mi-jing,GAO Cheng-xiong,HAO Wen-gong,GAO Guo-xiong and ZHU Shou-jun.Benefits of Shrub Sand-fixation Forest for Soil Improvement[J].Bulletin of Soil and Water Conservation,2009,29(1):138-141. |
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| Authors: | ZHOU Mi-jing GAO Cheng-xiong HAO Wen-gong GAO Guo-xiong and ZHU Shou-jun |
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| Institution: | College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712000, China;College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712000, China;Xuefeng Reservoir Administrative Office of Hancheng City, Hancheng, Shaanxi 715400, China;Forestry Bureau of Yulin City, Yulin, Shaanxi 719000, China;College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712000, China;College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712000, China |
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| Abstract: | Soil nutrients of shrub sand-fixation forest in the Yulin sandy area were measured in this study.Results showed that shrub sand-fixation forest had a significant effect for soil improvement.Soil organic matter in windbreak and sand-fixation forest was increased obviously in the area and the soil nutrient status was improved considerably.Soil organic matter,total N,available P,and available K were increased by 2.2 to 20.6 times,2 to 22 times,0.7 times,and 41%,respectively.However,the pH of soil did not change significantly and presented an alkalescent condition.The study indicates that soil improvement in sandy land is a very slow process and soil nutrients of Yulin sand land still present a lean soil condition as a whole. |
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| Keywords: | shrub sand-fixation forest soil improvement Yulin sandy land |
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