[1]郭永婷,赵鹏宇,王锐,等.贺兰山东麓酿酒葡萄产区砾质砂土速效养分淋溶分析[J].北方园艺,2015,39(11):158-163.[doi:10.11937/bfyy.201511041]
　GUO Yong-ting,ZHAO Peng-yu,WANG Rui,et al.Available Nutrients Leaching Analysis on Gravelly Soil of Vine Grape Producing in Eastern Foot of Helan Mountain Area[J].Northern Horticulture,2015,39(11):158-163.[doi:10.11937/bfyy.201511041]

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贺兰山东麓酿酒葡萄产区砾质砂土速效养分淋溶分析

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第39卷期数: 2015年11 页码: 158-163 栏目: 出版日期: 2015-06-15

Title:: Available Nutrients Leaching Analysis on Gravelly Soil of Vine Grape Producing in Eastern Foot of Helan Mountain Area

文章编号:: 1001-0009(2015)11-0158-06

作者:: 郭永婷1; 赵鹏宇1; 王锐1; 2; 纪立东3; 孙权1; 2; 1.宁夏大学农学院，宁夏银川 750021；2.葡萄与葡萄酒教育部工程研究中心，宁夏银川 750021； 3.宁夏农林科学院农业资源与环境研究所，宁夏银川 750002

Author(s):: GUO Yong-ting1; ZHAO Peng-yu1; WANG Rui1; 2; JI Li-dong3; SUN Quan1; 2; 1.College of Agricultural，Ningxia University，Yinchuan，Ningxia 750021;2.Grape and Wine Engineering Center of Education Ministry，Yinchuan，Ningxia 750021;3.Institute of Agricultural Resources and Environment，Ningxia Academy of Agriculture and Forestry Sciences，Yinchuan,Ningxia 750002

关键词:: 砾质砂土; 室内土柱; 速效养分; 淋溶量

Keywords:: gravelly soil; indoor soil column; available nutrient; leaching amount

分类号:: S663.106+.1

DOI:: 10.11937/bfyy.201511041

文献标志码:: A

摘要:: 针对贺兰山东麓酿酒葡萄产区砾质砂土土壤砂性但大水漫灌导致养分流失严重等问题，采用室内土柱模拟法，分别设置4种肥料：尿素(20 kg/667m²），磷酸一铵(10 kg/667m²），硝酸钾(18 kg/667m²），硫酸铵(45 kg/667m²）；4个土柱高度：20、40、60、80 cm；2次灌水量：100、50 m³/667m²，用于研究速效养分淋溶规律。结果表明：铵态氮淋溶量较小，20 cm土柱最大，占养分投入量在1.04%～1.87%；硝态氮淋溶量较大，分布于各土层，80 cm土柱占养分投入量最大达28.82%；尿素态氮淋溶主要集中在40 cm土柱，占养分投入量比值与硝态氮相近；速效磷淋溶量较小，主要分布在20 cm的土柱，占养分投入量比值14.90%。钾素淋溶量较大，其中80 cm土柱淋溶量占总养分投入量的33.81%。总体上，铵态氮淋溶速率较慢，且主要集中在表层土壤，其它养分淋溶速率较快，硝态氮与速效钾各层淋溶量相当。

Abstract:: Serious nutrients loss occurs in vine grape producing areas in eastern foot of Helan Mountain due to gravelly sand soil properties and furrow flood irrigation.Indoor soil column simulation method was adopted to study the nutrients leaching quantities in the sandy soil.Four kinds of fertilizer，urea (20 kg/667m²)，anamine phosphate (10 kg/667m²)，potassium nitrate (18 kg/667m²)，ammonium sulfate (45 kg/667m²) were add in 4 soil column height，20 cm，40 cm，60 cm，80 cm respectively.2 times irrigation amount，100 m³/667m² and 50 m³/667m² were added one after another to imitate field irrigation condition.The results showed that less ammonia nitrogen was leached because the largest leaching quantity appeared in the 20 cm soil column only account for 1.04% to 1.87% of added NH4-N.However，much nitrate loosed 28.82% of inputs nitrate was leached out of the 80 cm soil column.Urea，has good water solubility，was easy leached the same quantity with nitrate and mainly concentrated in 40 cm soil column，14.90% available phosphorus was leached，mainly distributed in 20 cm of soil column.Water soluble potassium leaching amount was also larger，33.81% of inputs of it was found in 80 cm soil column.On the whole，ammonium nitrogen leaching rate was small，and mainly concentrated in the surface soil，but other nutrients especially nitrate nitrogen and available K leached quickly.

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备注/Memo

第一作者简介：郭永婷(1988-)，女，硕士研究生，现主要从事干旱区土壤与植物营养等研究工作。E-mail：gytnxu@126.com.责任作者：孙权(1965-)，男，教授，现主要从事干旱区土壤资源高效利用等研究工作。E-mail：sqnxu@sina.com.基金项目：国家自然科学基金资助项目(31160417）；国家“十二五”科技支撑计划资助项目(2013BAD09B02)。

更新日期/Last Update: 2015-08-08