地形对荒漠草原土壤微生物量碳的影响  

The Influence of Terrain and Grazing Intensity on Soil Microbial Biomass Carbon

作　　者：呼吉亚 红梅[2] 王忠武[2] 查娜 陶建珍 Hu Jiya;Hong Mei;Wang Zhongwu;Zha Na;Tao Jianzhen(Bahrain Right Banner Agriculture and Animal Husbandry Technology Extension Center,Chifeng 025150,Inner Mongolia Autonomous Region,China;Inner Mongolia Agricultural University,Hohhot 010018,Inner Mongolia Autonomous Region,China;Chifeng Agriculture and Animal Husbandry Bureau,Chifeng 024000,Inner Mongolia Autonomous Region,China)

机构地区：[1]巴林右旗农牧技术推广中心,内蒙古自治区赤峰025150 [2]内蒙古农业大学,内蒙古自治区呼和浩特010018 [3]赤峰市农牧局,内蒙古自治区赤峰024000

出　　处：《农业技术与装备》2022年第12期20-21,共2页Agricultural Technology & Equipment

摘　　要：在不同地形下定量分析短花针茅荒漠草原土壤微生物量碳含量的分布规律,探讨地形因子对短花针茅荒漠草原淡栗钙土壤的土壤微生物量碳的影响。结果显示:(1)地形对土壤微生物量碳有影响,其含量大小顺序为:坡顶>坡底>坡面;(2)土壤微生物量碳随着土层的加深而级显著降低(P<0.001)。This paper quantitatively analyzed the distribution of soil microbial biomass carbon in desert steppe of Stipa breviflora Griseb. under different terrain, and discussed the effects of topographic factors on soil microbial biomass carbon of light chestnut soil in desert steppe of Stipa breviflora Griseb.. The results showed that terrain has an impact on soil microbial carbon content, and its content order is: slope top> slope bottom> slope surface. The SMBC level decreased significantly with the deepening of the soil layer(P <0.001).

关 键 词：微生物量碳 放牧强度 地形 淡栗钙土 

分 类 号：S812.0[农业科学—草业科学]