搜索结果: 1-4 共查到“农学总论 Grazing”相关记录4条 . 查询时间(0.183 秒)
Fatty acid intake and rumen fatty acid composition is affected by pre-grazing herbage mass and daily herbage allowance in Holstein dairy cows
linolenic acid rumen fatty acids metabolism
font style='font-size:12px;'>
2014/10/28
The objective of this study was to investigate the effect of level of pre-grazing herbage mass (HM) and daily herbage allowance (DHA) on the fatty acid (FA) intake and composition of ruminal content o...
IMPACTS OF GRAZING INTENSITY ON NITROGEN POOLS AND NITROGEN CYCLE IN AN ALPINE MEADOW ON THE EASTERN TIBETAN PLATEAU
biomass grassland N stocks soil N transformation Tibet Plateau
font style='font-size:12px;'>
2010/3/25
Grazers may influence nitrogen (N) pools and alter N inputs and outputs (losses) to the
ecosystem in a number of ways. In this study, we evaluated N pools within the plant-soil system (0-30cm) and so...
Grazing Intensity Impacts on Carbon Sequestration in an Alpine Meadow on the Eastern Tibetan Plateau
Grassland species composition biomass carbon storage
font style='font-size:12px;'>
2010/11/10
Livestock grazing has the potential to substantially alter carbon (C) storage in grassland
ecosystem. In this study, we evaluated the soil-plant system C (0-30cm) under three different grazing intens...
LOW DENSITY CATTLE GRAZING ENHANCES ARTHROPOD DIVERSITY OF ABANDONED WETLAND
Grazing arthropods insects diversity wetland
font style='font-size:12px;'>
2010/3/24
We studied the impact of low-density grazing on arthropod diversity in a small wetland (7 ha)
in South Germany. The location was abandoned for 20 years, and was then grazed by Galloway for 4 to 5 yea...