红壤水问题及其管理
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* 国家自然科学基金


WATER PROBLEM OF RED SOIL AND ITS MANAGEMENT
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    摘要:

    本文叙述了华中丘陵地区红壤水问题及其有效管理。指出了这一地区虽然年降雨量较多,但由于其分配极不均匀,伏旱秋旱非常严重,成为影响该地区农业生产的主要障碍因子之一。而红壤的贮水库容,特别是贮有效水的库容较低,土壤的有效含水量有限,更促进了伏秋旱的进一步发展。有计划的发展微喷灌溉,进行覆盖以及间或轮种深根植物利用深层贮水,能在相当程度上,提高红壤水资源的利用。

    Abstract:

    The water problem of red soil in the hilly region of Central China and its effective management are described in this paper. Results show that in this area the drought in summer and autumn is severe due to unequal distribution of rainfall during a year though there is rich, precipitation annually, becoming one of the primary barriers affecting agricultural production. The water-storage capacity, especially the available water-storage capaciaty, in red soil is smaller and the water content available to plant growth is limited, which promote the progressive development of drought situation. Developing trickle irrigation in a planned way and soil surface mulching and use of storing water in deep layer of red soil by adopting the intercropping or rotation cropping with deep rooted plants could be effective in increasing water use efficiency of red soil.

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姚贤良.红壤水问题及其管理[J].土壤学报,1996,33(1):13-20. DOI:10.11766/trxb199412280102 Yao Xianliang. WATER PROBLEM OF RED SOIL AND ITS MANAGEMENT[J]. Acta Pedologica Sinica,1996,33(1):13-20.

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  • 收稿日期:1994-12-28
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  • 在线发布日期: 2013-02-25
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