Cai Kunzheng,Duan Shunshan,Chen Rongjun.Influence of Different Crop Planting Patterns on Soil and Water Loss in Low Subtropical Upland[J].Research of Soil and Water Conservation,1998,5(02):104-107,172.
南亚热带荒坡地不同作物种植方式对水土流失的影响
- Title:
- Influence of Different Crop Planting Patterns on Soil and Water Loss in Low Subtropical Upland
- Keywords:
- upland; soil and water loss; crop planting
- 摘要:
- 通过种甘薯、花生、龙眼与对照（裸地）4种处理研究了广东省南亚热带低丘荒坡地不同作物利用方式对水土流失的影响。研究结果表明，坡地种植甘薯的水土保持效果最好，可减少地表径流24.74%～97.30%，减少土壤侵蚀量89.86%～97.60%，降低土壤酸性，流失的有机物和无机物也最少。其次为龙眼、花生、裸地。分析结果建议在雨季大力推广坡地甘薯种植和在果树幼小期间间套种旱地作物西瓜、花生、大豆、甘薯、牧草等。
- Abstract:
- Four treatments of planting sweet potato, peanut, longan and no planting (CK) inlow subtropical upland of Guangdong province were carried out to study their influence on soiland water loss. The results showed that, planting sweet potato was the most effective methodfor soil and water consevation, it reduced runoff by 24.743%~97.30%,amount of soil loss by89. 86%~97%, 60% and soil acidity,the loss of organic matter and inorganic matter was theleast. Other methods are in the order from planting longan, peanut to no planing(CK). It suggests that planting sweet potato in wet season and intercropping watermelon, peanut, soybean, sweet potato and pasture during the early growth stage of fruits should be extended.
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备注/Memo
收稿日期:1998-3-10;改回日期:。
基金项目:国家教委留学回国人员基金；广东省自然科学基金
作者简介:蔡昆争，男，1970年10月出生，1995年毕业于华南农业大学，获生态硕士，同年留校任教。1997年9月攻读生态学在职博士，曾参加过多项省基金和国家基金科研项目，目前正从事农业生态、系统模拟方面的工作，已发表论文5篇。