| 彰武北部沙地土壤钾素状况的研究 |
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| 引用本文： | 于相洋,杨树军,刘广.彰武北部沙地土壤钾素状况的研究[J].防护林科技,2011(2):34-35. |
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| 作者姓名： | 于相洋 杨树军 刘广 |
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| 作者单位： | 辽宁省固沙造林研究所,辽宁,阜新,123000 |
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| 摘 要： | 对彰武县北部沙地不同利用类型立地的土壤钾素状况的研究表明:彰武县北部沙地土壤全钾含量处于较高水平,速效钾、缓效钾含量仅杨树纯林及樟子松、油松和樟子松、杨树混交林为较高水平,而大面积的樟子松林和农业用地均为较低水平.
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| 关 键 词： | 沙地土壤 全钾 速效钾 缓效钾 固钾力 |
Status of Soil K on Northern Sandy Land of Zhangwu County |
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| YU Xiang-yang,YANG Shu-jun,LIU Guang.Status of Soil K on Northern Sandy Land of Zhangwu County[J].Protection Forest Science and Technology,2011(2):34-35. |
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| Authors: | YU Xiang-yang YANG Shu-jun LIU Guang |
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| Institution: | YU Xiang-yang,YANG Shu-jun,LIU Guang(Liaoning Provincial Dune-Fixation and Afforestation Institute,Fuxin 123000,China) |
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| Abstract: | Status of soil K in northern sandy land of Zhangwu county was studied with different land use types.Result shows that:total K content of soil in northern sandy soil of Zhangwu is at a high level;content of available K,slow K in pure forest of poplar,mixed forest of Pinus sylvestris var.mongolica & Pinus tabulaeformis,Pinus sylvestris var.mongolica & poplar are higher,while that of large areas of Pinus sylvestris var.mongolica forests and agricultural land are low. |
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| Keywords: | sandy soil total K available K slow K K fixation strength |
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