| 黄泛沙地小网格农田防护林网防风固沙和增产效益的研究 |
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| 引用本文： | 任中兴,房用,杨吉华,刘克长.黄泛沙地小网格农田防护林网防风固沙和增产效益的研究[J].山东农业大学学报(自然科学版),2009,40(3). |
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| 作者姓名： | 任中兴 房用 杨吉华 刘克长 |
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| 作者单位： | 1. 山东农业大学,资环学院,山东泰安,271018
2. 山东省林业科学研究院,山东济南,250014 |
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| 基金项目： | 山东省科技厅资助项目 |
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| 摘 要： | 本文以夏津县黄泛沙地130×260 m2小网格的农田防护林网为研究对象,对林网内不同区域处的风速、土壤湿度、土壤机械组成、土壤容重、土壤孔隙度、土壤风蚀深度及小麦产量进行了对比分析.分析结果表明:农田防护林具有明显的降低风速、增加土壤湿度、改善土壤机械组成、改良土壤物理性质、减少土壤风蚀量、增加小麦产量的效应,林网内3 H～5 H处的防风固沙和增产效应最好.
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| 关 键 词： | 黄泛沙地 农田防护林网 小网格 防风固沙 增产效应 |
STUDY ON THE REDUCING WINDSPEED,STABILIZING SAND AND YIELD-GROWING EFFECTS OF SMALL NETWORT FARM-SHELTER FOREST IN SANDY AREA OF THE YELLOW RIVER |
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| REN Zhong-xing,FANG Yong,YANG Ji-hua,LIU Ke-chang.STUDY ON THE REDUCING WINDSPEED,STABILIZING SAND AND YIELD-GROWING EFFECTS OF SMALL NETWORT FARM-SHELTER FOREST IN SANDY AREA OF THE YELLOW RIVER[J].Journal of Shandong Agricultural University,2009,40(3). |
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| Authors: | REN Zhong-xing FANG Yong YANG Ji-hua LIU Ke-chang |
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| Institution: | 1.Cotcega of Resources and Enrironment;Shandong Agricultural University;Taian 271018;China;2.Shandong Academy of Forestry Science;Jinan 250014;China |
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| Abstract: | The wind speed,soil humidity,soil mechanical composition,saturated hydraulic conductivity,soil porosity,soil wind erosion depth and wheat yield inside and outside the 130m260m farm-shelter forest,whichis located at Xia Jin city in the sandy area of the Yellow River,werestudied.The results showed that the farm-shelter forest can improve the local conditions,soil humidity,soil mechanical composition,soil physic quality,wheat yield,and reduce the wind speed,wind-blown mass.As a result,the protective effectin 3... |
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| Keywords: | The sandy area of the Yellow River farm-shelter forest small network reducing wind and stabilizing sand yield-growing effects |
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