| 广东典型稻田系统磷素径流流失特征 |
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| 引用本文： | 宁建凤,姚建武,艾绍英,李盟军,余丹妮,王思源,罗英健.广东典型稻田系统磷素径流流失特征[J].农业环境科学学报,2018,35(3):257-268. |
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| 作者姓名： | 宁建凤 姚建武 艾绍英 李盟军 余丹妮 王思源 罗英健 |
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| 作者单位： | 广东省农业科学院农业资源与环境研究所/农业部南方植物营养与肥料重点实验室/广东省养分资源循环利用与耕地保育重点实验室/广东省农业面源污染监测评估与防控工程技术研究中心, 广东 广州 510640,广东省农业科学院农业资源与环境研究所/农业部南方植物营养与肥料重点实验室/广东省养分资源循环利用与耕地保育重点实验室/广东省农业面源污染监测评估与防控工程技术研究中心, 广东 广州 510640,广东省农业科学院农业资源与环境研究所/农业部南方植物营养与肥料重点实验室/广东省养分资源循环利用与耕地保育重点实验室/广东省农业面源污染监测评估与防控工程技术研究中心, 广东 广州 510640,广东省农业科学院农业资源与环境研究所/农业部南方植物营养与肥料重点实验室/广东省养分资源循环利用与耕地保育重点实验室/广东省农业面源污染监测评估与防控工程技术研究中心, 广东 广州 510640,广东省农业科学院农业资源与环境研究所/农业部南方植物营养与肥料重点实验室/广东省养分资源循环利用与耕地保育重点实验室/广东省农业面源污染监测评估与防控工程技术研究中心, 广东 广州 510640,广东省农业科学院农业资源与环境研究所/农业部南方植物营养与肥料重点实验室/广东省养分资源循环利用与耕地保育重点实验室/广东省农业面源污染监测评估与防控工程技术研究中心, 广东 广州 510640,广东省农业科学院农业资源与环境研究所/农业部南方植物营养与肥料重点实验室/广东省养分资源循环利用与耕地保育重点实验室/广东省农业面源污染监测评估与防控工程技术研究中心, 广东 广州 510640 |
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| 基金项目： | 广东省科技计划项目（2010B030800009，2014B020206001，2016B070701009）；广东省应用型科技研发专项资金项目（2016B020240009） |
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| 摘 要： | 选择位于广东省增城、清远和高州地区的3个稻田试验点，于2008-2012年对稻田磷径流损失进行动态监测。结果表明，稻田径流事件主要发生在早稻季。常规施肥模式下稻田总磷径流浓度为0.02~1.56 mg·L-1，11%~18%的径流样品总磷浓度超过地表水Ⅴ类水标准（0.4 mg·L-1），施磷后14 d内降雨易导致稻田不同形态磷浓度出现峰值，具有一定环境污染风险。施磷不同程度增加稻田可溶性总磷径流负荷，对颗粒磷和总磷流失负荷无规律性影响。稻田磷径流负荷时空变化较大，常规施肥条件下可溶性总磷、颗粒磷、总磷年径流负荷分别为0.63~4.05、0.33~2.91、1.10~6.68 kg·hm-2。本地区稻田磷流失系数为0.06%~6.81%，可溶性总磷是稻田磷径流流失主要形态。施肥量和降雨、径流量是影响本地区稻田磷径流损失的主要因子。
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| 关 键 词： | 稻田，可溶性总磷，颗粒磷，径流流失，广东 |
| 收稿时间： | 2017/12/6 0:00:00 |
Characteristics of Phosphorus Runoff Losses from Typical Paddy Fields in Guangdong Province, China |
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| NING Jian-feng,YAO Jian-wu,AI Shao-ying,LI Meng-jun,YU Dan-ni,WANG Si-yuan and LUO Ying-jian.Characteristics of Phosphorus Runoff Losses from Typical Paddy Fields in Guangdong Province, China[J].Journal of Agro-Environment Science( J. Agro-Environ. Sci.),2018,35(3):257-268. |
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| Authors: | NING Jian-feng YAO Jian-wu AI Shao-ying LI Meng-jun YU Dan-ni WANG Si-yuan and LUO Ying-jian |
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| Institution: | Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences/Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangdong Engineering Research Center for Monitoring and Prevention of Agricultural Non-point Source Pollution, Guangzhou 510640, China,Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences/Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangdong Engineering Research Center for Monitoring and Prevention of Agricultural Non-point Source Pollution, Guangzhou 510640, China,Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences/Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangdong Engineering Research Center for Monitoring and Prevention of Agricultural Non-point Source Pollution, Guangzhou 510640, China,Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences/Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangdong Engineering Research Center for Monitoring and Prevention of Agricultural Non-point Source Pollution, Guangzhou 510640, China,Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences/Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangdong Engineering Research Center for Monitoring and Prevention of Agricultural Non-point Source Pollution, Guangzhou 510640, China,Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences/Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangdong Engineering Research Center for Monitoring and Prevention of Agricultural Non-point Source Pollution, Guangzhou 510640, China and Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences/Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangdong Engineering Research Center for Monitoring and Prevention of Agricultural Non-point Source Pollution, Guangzhou 510640, China |
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| Abstract: | |
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| Keywords: | paddy field dissolved total phosphorus particulate phosphorus runoff loss Guangdong Province |
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