不同施氮量对茶园土壤氮淋失的影响

陈玉真; 王峰; 尤志明; 吴志丹; 江福英; 张文锦; 翁伯琦

doi:10.19303/j.issn.1008-0384.2015.04.015

不同施氮量对茶园土壤氮淋失的影响

doi: 10.19303/j.issn.1008-0384.2015.04.015

1. 福建省农业科学院茶叶研究所,福建福安,355015;
2. 福建省农业科学院农业生态研究所,福建福州,350013

基金项目:

现代农业产业技术体系建设专项(CARS-23-9)

福建省科技计划项目——省属公益类科研院所基本科研专项(2014R1012-10)

国家科技支撑计划项目(2014BAD15B01)

福建省农业科学院导师制青年创新基金项目(2013DQB-17)

详细信息

中图分类号: S571.1
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出版历程
- 收稿日期: 2015-01-27
- 刊出日期: 2015-04-18

Effects of Different Nitrogen Application Levels on Nitrogen Leaching in Tea Garden Soil

1. Tea Research Institute,Fujian Academy of Agricultural Sciences;
2. Agriculture Ecology Institute,Fujian Academy of Agricultural Sciences

摘要

摘要: 为研究不同施氮量对茶园土壤氮淋失的影响,改良茶园土壤品质,采用室内土柱淋滤试验,研究不同施氮量对强酸性茶园土壤淋溶液pH、NH+4-N和NO-3-N淋溶量的影响。氮肥采用尿素,氮肥用量分别为N0(0kg·hm-2)、N1(150kg·hm-2)、N2(300kg·hm-2)、N3(450kg·hm-2)、N4(600kg·hm-2)。结果表明:施用氮肥降低了土壤pH和土壤淋溶液pH,降低幅度分别为0.08~0.32和0.35~0.81个单位,促进茶园土壤酸化;NH+4-N和NO-3-N的淋溶量均随施氮量的增加而提高;无机氮的淋失率为47.66%~71.31%,淋失量(Y)与施氮量(X)之间的线性回归方程为Y=0.708 X+145.27(R2=0.98);在整个淋洗过程中,NH+4-N和NO-3-N淋溶主要发生在前5次,且主要以NO-3-N的形式淋失,淋失比例为73.50%~89.21%。
- 茶园土壤 /
- 施氮量 /
- 氮素淋失
Abstract: To improve strongly-acidified soil quality of tea garden,a laboratory simulation test of column-leach was carried out to investigate the effects of applying different nitrogen rates on the pH,ammonium nitrogen(NH+4-N)and nitrate nitrogen(NO-3-N)of soil leachate.With urea as nitrogen fertilizer,the different applications were respectively treated with N0(0kg·hm-2),N1(150kg·hm-2),N2(300kg·hm-2),N3(450kg·hm-2)and N4(600kg·km-2).The results showed that the pH values of soil leachate were be decreased by 0.08~0.32and0.35~0.81 with different N application rates,resulting in more soil acidification.The leaching amounts of NH+4-N and NO-3-N were increased by increasing rates of nitrogen fertilizer,and 47.66%~71.31%inorganic nitrogen was lost in leaching water.The regression equation between inorganic nitrogen loss(Y)and N application rates(X)was Y = 0.708 X +145.27(R2=0.98).The leaching of NH+4-N and NO-3-N majorly occurred at the first five times,and the leaching amounts of NO-3-N accounted for 73.50%~89.21% of the total leaching inorganic nitrogen.
- tea garden soil /
- nitrogen application rate /
- nitrogen leaching

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参考文献(30)

[1]	农业部种植业管理司.2013年全国茶园面积、产量、产值统计[J].茶叶科学,2014,34(3):296.
[2]	阮建云,吴洵,石元值,等.中国典型茶区养分投入与施肥效应[J].土壤肥料,2001,(5):9-13.
[3]	马立峰,石元值,阮建云.苏、浙、皖茶区茶园土壤pH状况及近十年来pH的变化[J].土壤通报,2000,31(5):205-207.
[4]	NAKASONE H,KURODA H,KATO T,et al.Nitrogen removal from water containing high nitrate nitrogen in a paddy field(wetland)[J].Water Science Technology,2003,48(10):209-216.
[5]	WATANABE I,TOKUDA S,NONAKA K.Nutrients leaching losses from lysimeter grown tea plants fertilized at two rates of nitrogen[J].Tea Research Report,2002,94:1-6.
[6]	韩文炎,徐建明.茶园土壤NO-3-N含量与净硝化速率的研究[J].茶叶科学,2011,31(6):513-520.
[7]	黄意欢.茶树营养生理与土壤管理[M].长沙:湖南科学技术出版社,1992:32-38.
[8]	闰鹏,武雪萍,华洛,等.不同水氮用量对日光温室黄瓜季土壤硝态氮淋失的影响[J].植物营养与肥料学报,2012,18(3):645-653.
[9]	张永春,汪吉东,曹丙阁,等.模拟不同pH降雨和施氮对水耕铁渗人为土酸化的影响[J].土壤学报,2012,49(2):303-310.
[10]	李晓欣,马洪斌,胡春胜,等.华北山前平原农田土壤硝态氮淋失与调控研究[J].中国生态农业学报,2011,19(5):1109-1114.
[11]	刘希玉,邹敬东,徐丽丽,等.不同肥料种类对稻田红壤碳氮淋失的影响[J].环境科学,2014,35(8):3083-3099.
[12]	陈贵,陈莹,施卫明.氮肥对水稻不同生长期土壤不同深度氮素渗漏的影响[J].土壤,2013,45(5):809-814.
[13]	王永生,杨世琦.宁夏黄灌区稻田冬春休闲期硝态氮淋失量[J].生态学报,2011,31(16):4653-4660.
[14]	陆扣萍,阂炬,施卫明,等.不同轮作模式对太湖地区大棚菜地土壤氮淋失的影响[J].植物营养与肥料学报,2013,19(3):689-697.
[15]	方瑞元,马友华,邹国元,等.高羊茅草坪上不同缓控释氮肥土壤硝态氮残留与淋失研究[J].中国农学通通报,2013,29(9):94-98.
[16]	王丽梅,李世清,邵明安.施氮水平与模拟降雨pH值对玉米冠层NO-3-N淋失的影响[J].农业工程学报,2011,27(6):66-72.
[17]	章明清,姚宝全,李娟,等.福建菜田氮、磷积累状况及其淋失潜力研究[J].植物营养与肥料学报,2014,20(1):148-155.
[18]	鲁如坤.土壤农业化学分析方法[M].北京:中国农业科技出版社,2000.
[19]	蔡泽江,孙楠,王伯仁,等.几种施肥模式对红壤氮素形态转化和pH的影响[J].中国农业科学,2012,45(14):2877-2885.
[20]	钱琛,蔡祖聪.硝化作用驱动下红壤渗漏液的酸化[J].土壤学报,2010,47(1):77-83.
[21]	袁颖红,樊后保,李燕燕,等.模拟氮沉降对土壤酸化和土壤盐基离子含量的影响[J].应用与环境生物学报,2011,17(4):461-466.
[22]	FOX T R.Nitrogen mineralization following fertilization of Douglas-fir forests with urea in western Washington[J].Soil Science Society of America Journal,2004,68(5):1720-1728.
[23]	BARAK P,JOBE B O,KRUEGER A R,et al.Effects of long term soil acidification due to nitrogen fertilizer inputs in Wisconsin[J].Plant and Soil,1997,197(1):61-69.
[24]	BERGKVIST B,FOLKESON L.Soil acidification and element fluxes of a Fagus sylvatica forest as influenced by simulated nitrogen deposition[J].Water Air Soil Pollution,1992,65:111-133.
[25]	余涂,高明,黄利玲,等.施用氮肥对砖红壤硝态氮和盐基离子淋失特征的影响[J].植物营养与肥料学报,2013,19(3):698-704.
[26]	曾曙才,吴启堂.华南赤红壤无机复合肥氮磷淋失特征[J].应用生态学报,2007,18(5):1015-1021.
[27]	刘健,马履一,贾忠奎,等.苗圃潮土氮肥淋溶特征[J].东北林业大学学报,2010,38(5):71-73.
[28]	张贵龙,任天志,李志宏,等.和土壤硝态氮淋溶的影响[J].施氮量对白萝卜硝酸盐含量植物营养与肥料学报,2009,15(4):877-883.
[29]	林清火,罗微,屈明,等.尿素在砖红壤中的淋失特征IINO-3-N的淋失[J].农业环境科学学,2005,24(4):638-642.
[30]	于天仁,王振全.土壤分析化学[M].北京:科学出版社,1988.