[1]马悦,郭年冬,张瑞芳,等.片麻岩坡面花生不同生长时期水土及养分流失规律[J].水土保持研究,2016,23(05):304-309.
　MA Yue,GUO Niandong,ZHANG Ruifang,et al.Study on Soil and Nutrient Losses on Gneiss in Different Growth Periods of Peanut[J].Research of Soil and Water Conservation,2016,23(05):304-309.
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片麻岩坡面花生不同生长时期水土及养分流失规律

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 23 期数: 2016年05期 页码: 304-309 栏目: 出版日期: 2016-10-28
Title:
Study on Soil and Nutrient Losses on Gneiss in Different Growth Periods of Peanut
作者:
马悦1,2, 郭年冬1, 张瑞芳2,3,4, 周大迈2,3,4, 王红2,3,4, 张爱军2,3,4
1. 河北农业大学 资源与环境科学学院, 河北 保定 071000;
2. 河北省山区研究所, 河北 保定 071001;
3. 国家北方山区农业工程技术研究中心, 河北 保定 071000;
4. 河北省山区农业工程技术研究中心, 河北 保定 071000
Author(s):
MA Yue1,2, GUO Niandong1, ZHANG Ruifang2,3,4, ZHOU Damai2,3,4, WANG Hong2,3,4, ZHANG Aijun2,3,4
1. College of Resources and Environment Science, Agricultural University of Hebei, Baoding, Hebei 071000, China;
2. Mountain Area Research Institute of Hebei Province, Baoding, Hebei 071001, China;
3. National Engineering Research Center for Agricultural in Northern Mountainous Areas, Baoding, Hebei 071000, China;
4. Agricultural Engineering Technology Research Center of Hebei Province Mountain, Baoding, Hebei 071000, China
关键词:
片麻岩; 水土流失; 径流; 养分流失量; 不同时期
Keywords:
gneiss; soil and water loss; runoff; amount of nutrient loss; different growth stage
分类号:
S157.1;S565.2
摘要:
通过室内人工模拟降雨的方法，研究了花生不同生长时期片麻岩坡面水土流失和养分流失特征。结果表明：花生不同生长时期产流产沙量不同，总体流失量均呈现出0 d > 20 d > 40 d > 60 d，与对照（0 d）相比，花生60 d坡面产流量减少了38%，产沙量减少了47%；不同生长时期坡面养分流失量随生长天数的增加而减少，与对照（0 d）相比，60 d坡面氮磷钾养分流失量分别减少了75%，45%，70%，降雨过程中硝态氮流失量始终高于铵态氮流失量；不同生长时期坡面养分流失量表现为钾流失总量 > 氮流失总量 > 磷流失总量，养分流失总量与产沙量之间方程拟合系数均达0.98以上，有着显著的正相关性；花生不同生长时期片麻岩坡面磷钾的流失主要以泥沙结合态为主，氮素流失为溶解态氮与泥沙态氮共存。
Abstract:
Indoor simulation rainfall experiment was conducted to evaluate the effects of peanut at different growth stages on the surface soil and nutrient losses in gneiss area. The results showed that the yields of runoff and sediment during different growth periods peanut were different, and the loss amounts decreased in the order: 0 d > 20 d > 40 d > 60 d. Compared with the control (0 d), runoff slope with 60-day-peanut decreased by 38%, sediment production slope with 60-day-peanut decreased by 47%. The losses of nutrients during different growth stages decreased with the increase of the growth days, compared with the control (0 d), the losses of nitrogen, phosphorus, potassium in the 60 days decreased by 75%, 45%, 70%, respectively, the loss of nitrate during the rainfall was always higher than ammonium. The amounts of nutrient loss at the different growth stages represented the cumulative loss order: potassium > nitrogen > phosphorus. The equation fitting factor of total nutrient loss and sediment yield was more than 0.98, and there was a significant positive correlation; nutrient losses from gneiss area were mainly in the form of sediment combination state especially for phosphorus and potassium, nitrogen loss was mainly in the form of dissolved nitrogen or both dissolved nitrogen and sediment-associated nitrogen.

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备注/Memo

收稿日期:2016-03-14;改回日期:2016-03-24。
基金项目:河北省自然科学基金项目“人工模拟降雨条件下的片麻岩山坡地土壤氮素流失研究”（C2015204155）
作者简介:马悦(1992-),女,吉林白城人,硕士研究生,研究方向为植物营养生态研究。E-mail:mayuehebau@163.com
通讯作者:张爱军(1970-),女,河北承德人,硕士生导师,研究员,主要从事植物营养生态与山区数字化研究。E-mail:zhangaijun@hebau.edu.cn

更新日期/Last Update: 1900-01-01