| 荒漠草地放牧系统常量矿物质元素季节变化及盈缺分析 |
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| 引用本文： | 李亚奎,胡红莲,卢德勋.荒漠草地放牧系统常量矿物质元素季节变化及盈缺分析[J].中国草地学报,2011,33(1). |
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| 作者姓名： | 李亚奎 胡红莲 卢德勋 |
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| 作者单位： | 1. 河北北方学院动物科技学院,河北张家口,075000
2. 内蒙古农牧业科学院动物营养研究所,内蒙古呼和浩特,010030 |
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| 基金项目： | 教育部"青年教师教学科研奖励计划"，国家自然科学基金 |
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| 摘 要： | 采取现场调查、实地采样和实验室分析相结合的方法,对内蒙古地区四子王旗地区短花针茅荒漠草地土壤-牧草-家畜生态系统中常量元素的水平进行检测.结果显示:土壤中硫元素处于临界缺乏状态,其他元素处于正常水平;牧草中钙元素全年处于过量状态,磷和钠元素全年为缺乏状态,钾和硫元素处于季节性缺乏状态;结合该地区放牧绵羊唾液、血浆和体组织中矿物质的含量,以及对各种矿物质的摄入量和消化率进行综合分析表明,该地区处于高钙、低磷、低钠、低钾的生态环境,同时硫元素处于季节性缺乏状态.
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| 关 键 词： | 短花针茅荒漠草地 土-草-畜生态系统 常量元素 季节变化 |
Seasonal Changes and Sufficiency or Lack Analysis of Major Elements in Grazing System in Stipa breviflora Desert Steppe |
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| LI Ya-kui,HU Hong-lian,LU De-xun.Seasonal Changes and Sufficiency or Lack Analysis of Major Elements in Grazing System in Stipa breviflora Desert Steppe[J].Chinese Journal of Grassland,2011,33(1). |
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| Authors: | LI Ya-kui HU Hong-lian LU De-xun |
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| Institution: | LI Ya-kui1,HU Hong-lian2,LU De-xun2(1.College of Animal and Technology,Hebei North University,Zhangjiakou 075000,China,2.Animal Nutrition Institute,Inner Mongolian Academy of Agriculture and Animal Sciences,Hohhot 010030,China) |
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| Abstract: | The trial was conducted to study the major elements in soil-pasture-sheep ecosystem in Stipa breviflora desert steppe in Siziwangqi of Inner Mongolia by the methods of the spot investigation,sampling practically and lab analysis.The results were as follows: the contents of major elements in soil,grass and animal varied in different season,the soil was lack of S critically and other minerals was normal.The pasture was lack of P,Na and rich in Ca,and lack of K and S seasonally.The results showed that this are... |
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| Keywords: | Stipa breviflora desert steppe Soil-forage-animal ecosystem Major elements Seasonal changes |
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