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Position: Home > Articles > Soil Nutrient Spatial Distribution Characteristics of Jujube-wheat Intercropping System in Southern Xinjiang Xinjiang Agricultural Sciences 2014,51 (11) 1990-1995

南疆枣-麦间作系统土壤养分空间分布特征

作  者：
祁通;耿庆龙;孙九胜;刘易;陈署晃;王新勇;冯耀祖
单  位：
新疆农业科学院土壤肥料与农业节水研究所/新疆农业科学院绿洲养分与水土资源高效利用重点实验室
关键词：
枣麦间作;土壤养分;空间分布
摘  要：
【目的】研究果粮间作生态系统土壤营养状况,为科学施肥管理提供科学依据。【方法】选择南疆典型枣麦间作农田,对土壤养分进行定位监测和分析。【结果】下层(20~40 cm)土壤有机质、全氮、速效磷随着与枣树距离的增加而呈下降趋势,土壤盐分和速效钾无规律性;而在垂直方向上0~20 cm土层有机质、氮素、速效磷、速效钾含量明显高于20~40 cm土层,但土壤p H值20~40 cm土层高于0~20 cm土层。【结论】南疆枣粮间作生态系统中土壤有机质和全氮、速效磷含量等均存在明显垂直、水平方向的异质性。
译  名：
Soil Nutrient Spatial Distribution Characteristics of Jujube-wheat Intercropping System in Southern Xinjiang
作  者：
QI Tong;GEN Qin-long;SUN Jiu-sheng;LIU Yi;CHEN Shu-huang;WANG Xin-yong;FENG Yao-zu;Research Institute of Soil,Fertilizer and Agricultural Water Conservation,Xinjiang Academy of Agricultural Sciences,Urumqi 830091,China 2. Key Laboratory of Oasis Nutrient and Efficient Utilization of Water and Soil Resources,Xinjiang Academy of Agricultural Sciences;
关键词：
jujube-wheat intercropping;;soil nutrient;;spatial distribution characteristics
摘  要：
【Objective】The project aims to have a correct and comprehensive understanding of soil nutrition status of fruit- crop intercropping ecosystem in order to manage the fertilization scientifically. 【Method】This study chose typical jujube wheat intercropping field in southern Xinjiang to monitor and analyze the soil nutrients. 【Result】The result indicate that the soil organic matter,total nitrogen,available phosphorus in the soil declined with the increase of distance from the tree. And soil salt and rapidly- available potassium showed no rules. In the vertical direction on a scale of 0- 20 cm of soil organic matter,total nitrogen,available phosphorus,available potassium were significantly higher than those at 20- 40 cm soil layer. But the soil p H value at 20- 40 cm soil layer was higher than at 0- 20 cm soil layer.【Conclusion】Soil organic matter and total nitrogen,phosphorus and phosphorus content of jujube- crop intercropping system in southern Xinjiang were of obvious vertical and horizontal heterogeneity

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