筛选
科学数据
统计数据
共检索到649条 ,权限内显示50条;
Southern Farms Study, 1860;;Version 1
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr07419.v1
- 摘要:
- was compiled from the agriculture, slave, and population schedules of the 1860 United States manuscript Census. For each farm, variables describing farm
Farm Business Survey, 1983-1984: Special Licence Access;;Farm Business Survey, 1982- : Special Licence Access
- 负责人:
- 关键词:
- DOI:
- doi:10.5255/ukda-sn-2383-1
- 摘要:
- . It is intended to serve the needs of farmers, farming and land management interest groups, government (both national and European), government partners, and resear
Farm Business Survey, 1982-1983: Special Licence Access;;Farm Business Survey, 1982- : Special Licence Access
- 负责人:
- 关键词:
- DOI:
- doi:10.5255/ukda-sn-2241-1
- 摘要:
- . It is intended to serve the needs of farmers, farming and land management interest groups, government (both national and European), government partners, and resear
Farm Business Survey, 1984-1985: Special Licence Access;;Farm Business Survey, 1982- : Special Licence Access
- 负责人:
- 关键词:
- DOI:
- doi:10.5255/ukda-sn-2384-1
- 摘要:
- . It is intended to serve the needs of farmers, farming and land management interest groups, government (both national and European), government partners, and resear
Farm Business Survey, 2012-2013: Special Licence Access;;Farm Business Survey, 1982- : Special Licence Access;;FBS
- 负责人:
- 关键词:
- DOI:
- doi:10.5255/ukda-sn-7461-3
- 摘要:
- of impacts of policy options. It is intended to serve the needs of farmers, farming and land management interest groups, government (both national and European
Data from: Population structure and gene flow in the global pest, Helicoverpa armigera
- 负责人:
- Anderson, Craig
- 关键词:
- pest Hybridization Insects Invasive Species Population Genetics - Empirical Ecological Genetics
- DOI:
- doi:10.5061/dryad.875n5
- 摘要:
- Helicoverpa armigera is a major agricultural pest that is distributed across Europe, Asia, Africa and Australasia. This species is hypothesized
Data from: Landscape context and farm uptake limit effects of bird conservation in the Swedish Volunteer & Farmer Alliance
- 负责人:
- Josefsson, Jonas
- 关键词:
- agri-environmental schemes collaborative conservation farmland birds landscape composition unsubsidised conservation farmers organic farming biodiversity AES BACI
- DOI:
- doi:10.5061/dryad.50kn1p0
- 摘要:
- shortcomings of AES include the low farm uptake and the modest efficacy of many AES options. Partly in response to these shortcomings, initiatives encouraging
Thirley Coates Farm, Harwood Dale, Scarborough, North Yorkshire. Building Recording (OASIS ID: northern1-341278)
- 负责人:
- Fraser, Mary
- 关键词:
- Photographic Survey Building Recording Archaeology Excavations (Archaeology)--England Farm Building Farmhouse Stable Byre Building Barn
- DOI:
- doi:10.5284/1074900
- 摘要:
- in agricultural production and stock management, together with the widespread introduction of mechanised farming techniques to meet the increased demand of the growing
Soil and yield in legume niche exploration
- 负责人:
- 关键词:
- DOI:
- doi:10.25502/rn3q-m491/d
- 摘要:
- in smallholder crop-livestock farming systems. It provides knowledge and tools to farmers to assist in making rational decisions in the choice of legumes
Farm Business Survey, 1986-1987: Special Licence Access;;Farm Business Survey, 1982- : Special Licence Access
- 负责人:
- 关键词:
- DOI:
- doi:10.5255/ukda-sn-6378-1
- 摘要:
- policy decisions on matters affecting farm businesses and to enable analysis of impacts of policy options. It is intended to serve the needs of farmers, farming