| 黄土高原区制约粮食生产的干旱原因分析 |
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| 引用本文： | 彭珂珊 杨增义. 黄土高原区制约粮食生产的干旱原因分析[J]. 宁夏大学学报(自然科学版), 1995, 16(1): 82-90 |
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| 作者姓名： | 彭珂珊 杨增义 |
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| 作者单位： | 陕西青年干部管理学院杨陵分院经济系，宁夏大学学报编辑部 |
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| 摘 要： | 该文以大量翔实的调查资料，从生态学、地理学、灾害学、农经学相结合的角度，分析论证了西北黄土高原水土流失区制约粮食生产发展的因素，干旱发生规律及共主要类型，进而对该区干旱缺水的因素进行了深层次的研究；对粮食及农业生产的防旱抗旱减灾活动提供了理论依据。
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| 关 键 词： | 生态系统 干旱 粮食 黄土高原 土壤侵蚀 |
RESEARCH ON THE HARMFULLNESS OF ARID ON GRAIN PRODUCTION OF WATER AND SOIL LOSS REGION OF LOESS PLTEAU |
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| Peng Keshan. RESEARCH ON THE HARMFULLNESS OF ARID ON GRAIN PRODUCTION OF WATER AND SOIL LOSS REGION OF LOESS PLTEAU[J]. Journal of Ningxia University(Natural Science Edition), 1995, 16(1): 82-90 |
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| Authors: | Peng Keshan |
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| Abstract: | With a plentiful research material,the factors that affect the grain production ofthe water and soil loss region of the northwest loess plteau has been analysed.A detail re-search the regular and the mainly types of the drotight in the area has been made. |
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| Keywords: | ecological system. arid harmfulness. the factors of harmfulness grain produc-tion soil and water loss region loess plteau. |
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