| 有机无机磷肥配施对蔬菜地土壤磷素淋失的影响 |
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| 引用本文： | 庄远红,吴一群,李延.有机无机磷肥配施对蔬菜地土壤磷素淋失的影响[J].土壤,2007,39(6):905-909. |
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| 作者姓名： | 庄远红 吴一群 李延 |
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| 作者单位： | 1. 漳州师范学院生物科学与技术系,福建漳州,363000;福建农林大学资源与环境学院,福州,350002
2. 福建农林大学资源与环境学院,福州,350002 |
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| 摘 要： | 利用土柱淋溶模拟实验研究化肥、有机肥以及有机无机P肥配施对蔬菜地土壤P素淋失的影响,结果表明,有机肥可明显提高土壤的有机P含量,促进土壤P素的淋失;在施P量相同的情况下,有机P肥所占的比例越大,淋出液总P、溶解总P、溶解有机P的浓度和累积淋失量就越高.在评价蔬菜地土壤P对水环境影响时,应把有机P作为评价指标.
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| 关 键 词： | 蔬菜土壤 有机无机肥配施 磷淋溶 |
Effect of Combined Application of Organic and Inorganic Fertilizers on Phosphorus Leaching in Vegetable Soils |
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| ZHUANG Yuan-hong,WU Yi-qun and LI Yan.Effect of Combined Application of Organic and Inorganic Fertilizers on Phosphorus Leaching in Vegetable Soils[J].Soils,2007,39(6):905-909. |
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| Authors: | ZHUANG Yuan-hong WU Yi-qun and LI Yan |
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| Institution: | Department of Biology Science and Technology, Zhangzhou Normal University, Zhangzhou, Fujian 363000, China;College of Resources and Environmental Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China,College of Resources and Environmental Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China and College of Resources and Environmental Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China |
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| Abstract: | An indoor simulating experiment was conducted with repacked soil columns to study the effect of the combined application of organic and inorganic fertilizers on phosphorus leaching in vegetable soils. Results showed that increasing organic fertilizer application obviously increased the content of soil organic P, thus caused phosphorus leaching. At the same applied amount of phosphate fertilizer, the more proportion of organic phosphate fertilizer, the higher concentration and accumulative leaching amount of TP, DTP and DOP in soil columns leacheate. The results suggested that soil organic P could be used as an index to evaluate the effect of soil-phosphorus-loss risk in water environment. |
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| Keywords: | Vegetable soil Combined application of organic and inorganic fertilizers P leaching |
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