搜索结果: 1-5 共查到“management and conservation”相关记录5条 . 查询时间(0.093 秒)
Extreme Grain-Based Cropping Systems: When Herbicide-Free Weed Management Meets Conservation Tillage in Northern Climates
Blade roller fl exible crop production syste low-input cropping system
2015/12/23
The challenges associated with the adoption of conservation tillage and/or low-input cropping systems, whether organic or
herbicide-free, across Canada are shaped by scale, environment, and local pra...
Evaluating Methods for Measuring and Managing the Cumulative Visual Effects of Oil and Gas Development on Bureau of Land Management National Conservation Lands in the Southwestern United States
cumulative effects visual effects visual resource management national conservation land oil and gas visual impacts
2014/11/11
The public lands of the United States administered by the Bureau of Land Management (BLM) are used for multiple purposes, like conservation, recreation, grazing, mining, logging, and oil and gas devel...
Vitis vinifera ssp. sylvestris (Gmeli) Hegi populations in Southern Portugal: assessing the genetic diversity for its future management and conservation
genetic diversity management and conservation nuclear and chloroplastidial microsatellites Vitis vinifera ssp. sylvestris
2014/3/10
A survey of Vitis vinifera ssp. sylvestris (Gmeli) Hegi in Portugal has revealed the existence of wildvine populations that occur only in riparian wood habitats on river margins, as is the case for ot...
Insitu Protection Management and Conservation Study of Some Medicinal Plants
Conservation Insitu Protected Unprotected Endangered Plant species
2009/6/1
Insitu study on eleven commercially important species viz;Adiantum capillusveneris L,Bergenia ciliata (Haw) Sternb,Colchicum luteum Baker,Polygonum amplexicaule D.Den,Cuminum cyminum L,Dioscorea de...