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題 名 | 乾旱半乾旱地區的土壤改良與培肥=Soil Improvement and Build-up in Arid and Semi-arid Area |
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作 者 | 李敏; | 書刊名 | 土壤與環境 |
卷 期 | 3:1 2000.03[民89.03] |
頁 次 | 頁13-17 |
分類號 | 434.227 |
關鍵詞 | 乾旱半乾旱; 土壤改良; Arid-aril semi-arid area; Soil improvement; |
語 文 | 中文(Chinese) |
中文摘要 | 乾旱問題是一個世界性問題。我國乾旱半乾旱地區發展農業生產有許多有利條件和制約因素,要使這一地區農業擺脫靠天的局面,必須依靠科技,發展水利、興修梯田、培肥地力、地膜覆蓋,進行雨水集流節灌和搞好小流域治理等綜合配套技術,經過長期努力,才能改變乾旱半乾旱地區的面貌。 |
英文摘要 | Drought is a world problem, there are many advantages and disadvantages to develop the agricultural production in arid and semi-arid area of china. To cope with there situations. We must depend on science and technology, building of terraced land and water conservancy, improvement of land, application of plastic film, water-saving technology, harnessing of small water-shed and other series technology. After long efforts, we can improve the environment of arid and semi-arid area. |
本系統中英文摘要資訊取自各篇刊載內容。