| 利用沙尘暴进行荒漠化草原表土再造技术原理及实践 |
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| 引用本文： | 赵山志,田青松,那日苏,王海,联华,塔娜,乌兰.利用沙尘暴进行荒漠化草原表土再造技术原理及实践[J].现代农业科技,2011(3):321-323. |
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| 作者姓名： | 赵山志 田青松 那日苏 王海 联华 塔娜 乌兰 |
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| 作者单位： | 中国农业科学院草原研究所农业部草原资源与生态重点开放实验室;内蒙古苏尼特右旗草原工作站; |
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| 基金项目： | 中央级公益性科研院所基本科研业务费专项资金(中国农业科学院草原研究所2009-Y-1) |
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| 摘 要： | 依据风沙学原理,利用沙尘暴现象对内蒙古荒漠草原进行了表层土壤再造试验。采用地表撒松散杂草(秸秆)后用尼龙网罩固定的方法,拦截沙尘暴所携带的尘土。再造后的土壤掩埋了裸露的植物根系和地表面的砾石,比对照土壤有效锌增加114.8%、有机质增加33.3%、全氮增加77.1%、有效磷增加150.0%、速效钾增加7.8%、pH值降低了1.3%。此方法为如何利用沙尘暴这一自然现象开辟了新的思路。
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| 关 键 词： | 沙尘暴 荒漠化草原 表土再造 技术原理 可行性 |
Principle and Practice on Re-building Desertification Grassland Topsoil by Dust-storm |
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| Authors: | ZHAO Shan-zhi TIAN Qing-song NA Ri-su WANG Hai LIAN Hua TA Na WU Lan |
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| Institution: | ZHAO Shan-zhi 1 TIAN Qing-song 1 NA Ri-su 1 WANG Hai 1 LIAN Hua 1 TA Na 1 WU Lan 2(1 Grassland Research Institute of Chinese Academy of Agricultural Sciences,Key Laboratory of Grassland Resources & Ecology,Ministry of Agriculture,Hohhot Inner Mongolia 010010,2 The Grassland Station of Suniteyou District in Inner Mongolia) |
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| Abstract: | Based on the principles of the blown sand,topsoil re-building trials on the Inner Mongolian desert grassland by dust-storm phenomenon were carried out.The loosely weed(straw)with nylon net cover fixed was put on the earth surface to intercept dust carried by dust-storm.The re-built soil buried the bare plant root and the ground surface of gravel,compared with the controlled soil,available Zn of the new soil increased by 114.8%,organic matter increased by 33.3%,total nitrogen increased by 77.1%,available P i... |
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| Keywords: | dust-storm desertification grassland topsoil re-building technical principle feasibility |
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