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当前位置: 首页 > 文章 > 南疆枣麦间作模式下土壤养分垂直分布特征 新疆农业科学 2015,52 (3) 472-476
Position: Home > Articles > Vertical Distribution of Soil Nutrient in Jujube-crops Intercropping System in Southern Xinjiang Xinjiang Agricultural Sciences 2015,52 (3) 472-476

南疆枣麦间作模式下土壤养分垂直分布特征

作  者：
吴湘琳;耿庆龙;王新勇;陈署晃
单  位：
新疆农业科学院土壤肥料与农业节水研究所
关键词：
枣麦间作;土壤养分;垂直分布
摘  要：
【目的】揭示南疆枣麦间作模式下土壤养分垂直分布规律,为枣麦间作模式合理施肥及土壤环境健康、可持续发展提供科学依据。【方法】对南疆不同树龄枣麦间作模式下,0~20 cm、20~40 cm土层中全氮、有机质、速效氮、速效磷和速效钾进行测定和分析。【结果】(1)在垂直方向上,结合2005年、2008年和2010年不同枣树种植年份,枣麦间作土壤全氮、有机质、速效氮、速效磷、速效钾含量随着土层深度增加总体呈降低。(2)枣麦间作土壤垂直方向(0~20、20~40 cm)中全氮、有机质、速效氮、速效钾层次变化均非常显著(P<0.01),速效磷含量差异不显著(P>0.05);(3)枣麦间作土壤养分的垂直变化分析:全氮、有机质、速效氮、速效磷随着枣树行距增大,有一定变化;速效钾随着枣树行距增大呈先增大再减小的趋势。【结论】加强南疆枣麦间作系统日常水肥管理;及时、合理修剪枣树枝叶以减少养分损耗;合理布置枣麦间作距离;在近枣树带区(50~100 cm)和小麦作物区(100~200 cm)科学施肥。
译  名：
Vertical Distribution of Soil Nutrient in Jujube-crops Intercropping System in Southern Xinjiang
作  者：
WU Xiang-lin;GENG Qing-long;WANG Xin-yong;CHEN Shu-huang;Research Institute of Soil,Fertilizer and Agricultural Water Conservation,Xinjiang Academy of Agricultural Sciences;
关键词：
jujube-crops intercropping;;soil nutrients;;vertical distribution
摘  要：
【Objective】The study aim to reveal the regularity of the vertical distribution of soil nutrients in jujube-crops intercropping system in Southern Xinjiang in the hope of providing reference for keeping soil environmental health and sustainable development.【Method】Total nitrogen,organic matter,available N,available P,available K in jujube-crops intercropping system of soil nutrient in layer of 0-20,20-40 cm were determined and analyzed.【Result】( 1) Jujube-crops intercropping soil total nitrogen,organic matter,available N,available K were decreasing with the increase of soil depth in vertical direction in view of the different years of jujube;( 2) Total nitrogen,organic matter,available N,available K in vertical( 0-20,20-40 cm)were significantly different( P < 0. 01),but available P was not( P > 0. 05).( 3) The analysis of jujube-crops intercropping soil nutrient vertical mutation was: total nitrogen,organic matter,available N,available P varied somewhat,available K was firstly increased and then decreased with increased row spacing.【Conclusion】It was suggested that the water and fertilizer of jujube-crops intercropping system should be enhanced in order to reduce nutrient loss by trimming the jujube leaves in time and reason,rationally laying jujube-crops intercropping distance and adding fertilizer under scientific method near the tree fields( 50-100 cm) andthe wheat fields( 100-200).

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