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当前位置: 首页 > 文章 > 宁夏中部风沙区草场表层土壤储水分布特征研究 黑龙江畜牧兽医 2011 (7) 4-7
Position: Home > Articles > Study on distribution characteristics of surface soil water content for the natural pasture in the sandy district central Ningxia Heilongjiang Animal Science and Veterinary Medicine 2011 (7) 4-7

宁夏中部风沙区草场表层土壤储水分布特征研究

作  者：
高婷;张晓刚;纪立东;Orson Boyce;Stanford A.Young;朱建宁;彭文栋
单  位：
宁夏益科农业科技有限公司;College of University Agricultural;宁夏农林科学院农业资源与环境研究所;宁夏盐池县农牧科学研究所;宁夏农林科学院草畜工程技术研究中心;Wheatland West Seed Company
关键词：
风沙区;土壤储水量;分布特征;美国优质牧草;适应性
摘  要：
为了从涵养水分角度验证牧草引种适应性效果,试验采用实时定位、动态监测方法对宁夏中部风沙区天然草场、美国优质牧草引种试验区0~40 cm层次土壤储水量分布特征进行对比探讨。结果表明:宁夏中部风沙区天然草场土壤水分与大气降水关系密切,土壤储水量以5—7月份为显著失墒期,8—9月份为明显增墒期,10—11月份为缓慢退墒期,11月份—翌年4月份为保墒期。美国优质牧草引种改良区年内及翌年土壤储水量均低于未改良区,而引种3年的牧草地土壤储水量显著高于未改良区,说明宁夏中部风沙区优质牧草需要持续一定年限的引种示范,才能使外引种真正演变为本地适应性优良的土生种,年限至少在3年以上。
译  名：
Study on distribution characteristics of surface soil water content for the natural pasture in the sandy district central Ningxia
作  者：
GAO Ting1,ZHANG Xiao-gang2,JI Li-dong3,Orson Boyce4,Stanford A.Young5,ZHU Jian-ning3,PENG Wen-dong6(1.Engineering Technology Research Central of Forage and Lirestoch,Ningxia Academy of Agriculture and Forestry Science,Yinchuan 750002,China;2.Ningxia Yike Agricultural Technology Co.,LTD,Yinchuan 750002,China;3.Institute of Agricultural Resources and Environment,Ningxia Academy of Agriculture and Forestry,Yinchuan 750002,China;4.Wheatland West Seed Company,Uath,USA 84016;5.Agricultural College of University,Uath USA 84322;6.Yanchi Institute of Agricultural Sciences,Yanchi 751500,China)
关键词：
Sandy area;soil water storage;distribution characteristics;American high quality forage;adaptability
摘  要：
To verify the adaptability of high quality forage introduced from American.The located experiments were conducted in the middle sandy area of Ningxia province.The water content of 0~40 cm layer was investigated on local natural pasture,compared it with the tested plots for introducing American high quality forage.The result indicated that the soil moisture on natural pasture had close relationship with precipitation,the soil water content was significantly reduced from May to July,and increased form August to September,which slowly reduced from October and November,and conserved from November to the next April.The soil water content in the tested area was lower than local natural pasture in the first two years,but it became higher in the third year.The results shows that before the foreign forage varieties can become adaptable in middle sandy area of Ningxia province,they need to be planted and demonstrated continuously for several years,at least more than three years.

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