筛选
科学数据
统计数据
共检索到394条 ,权限内显示50条;
Evolution of ideas of soil remediation. II. Antique world. Non-European and Rome civilization
- 负责人:
- 关键词:
- antiquity soil remediation agroecology soil fertility non-European foci of agriculture theory of agriculture Kolumella
- DOI:
- doi:10.25750/1995-4301-2010-3-067-076
- 摘要:
- The article considers evolution of ideas of soil remediation in non-European foci of agriculture as well as during the antique period of the Roman
CIARD RING
- 负责人:
- DOI:
- doi:10.18731/19435
- 摘要:
- The CIARD RING is a project implemented within the Coherence in Information for Agricultural Research for Development (CIARD) initiative and is led
The comprehensive model of the determinants on export performance of agricultural firms in Thailand
- 负责人:
- Guntalee Ruenrom
- 关键词:
- International trade Exports -- Thailand Agriculture -- Economic aspects -- Thailand Agricultural industries -- Thailand
- DOI:
- doi:10.14457/cu.the.2011.1785
- 摘要:
- of agricultural firms. The conceptual framework in this study is based on the resource-based view theory, industrial organization theory, internationalization
Data from: Making Brexit work for the environment and livelihoods: delivering a stakeholder informed vision for agriculture and fisheries
- 负责人:
- DOI:
- doi:10.5061/dryad.8g69b06
- 摘要:
- 1. The UK’s decision to leave the EU has far-reaching implications for agriculture and fisheries. To ensure the future sustainability of UK
Data from: The contribution of phenotypic plasticity to the evolution of insecticide tolerance in amphibian populations
- 负责人:
- DOI:
- doi:10.5061/dryad.82bg7
- 摘要:
- of pesticide tolerance by assessing whether patterns of tolerance were consistent with theoretical predictions. We found that populations close to agriculture displayed
Data from: Beyond plant-soil feedbacks: mechanisms driving plant community shifts due to land-use legacies in post-agricultural forests
- 负责人:
- DOI:
- doi:10.5061/dryad.5hk04
- 摘要:
- Although biotic legacies of past agricultural practices are widespread and increasing in contemporary ecosystems, our understanding of the mechanisms
Data from: Long-term agricultural management does not alter the evolution of a soybean-rhizobium mutualism
- 负责人:
- Lau, Jennifer
- DOI:
- doi:10.5061/dryad.1h3k8
- 摘要:
- al effects of agricultural management on rhizobia have received some attention, the evolutionary effects have been neglected in comparison. Resource mutualism theory predicts tha
Adjustments to Resource Depletion: The Case of American Agriculture -- Kansas, 1874-1936;;Archival Version
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr07594
- 摘要:
- ), and note that the data were prepared as part of a research project funded by the National Science Foundation.;;Agricultural production statistics for 105
Adjustments to Resource Depletion: The Case of American Agriculture -- Kansas, 1874-1936;;Version 1
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr07594.v1
- 摘要:
- ), and note that the data were prepared as part of a research project funded by the National Science Foundation.;;Agricultural production statistics for 105
Aansluiting middelbaar agrarisch onderwijs en arbeidsmarkt 1990;;Connection between secondary agricultural education and labour market 1990
- 负责人:
- H.J. Van Pierik, LU Wageningen, Vakgroep Agrarische Onderwijskunde (Depositor);;Landbouw Universiteit Wageningen, Ministerie Van Landbouw
- 关键词:
- agriculture Educational theory education secondary education occupations labour market career onderwijs landbouw onderwijs, middelbaar
- DOI:
- doi:10.17026/dans-x5a-9qvt
- 摘要:
- Two cohorts of students finished their secondary agricultural education (MAO) in the years 1978 and 1987 were traced and they were asked to evaluate