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共检索到8164条 ,权限内显示50条;
Data from: The Impact of Job Training on Temporary Worker Performance: Field Experimental Evidence from Insurance Sales Agents
- 负责人：
- DOI：
- doi:10.6075/j0xp7386
- 摘要：
- : Field Experimental Evidence from Insurance Sales Agents" published in the Journal of Economics and Management Strategy. The analysis reports the result
Mauritius Hemp [Furcraea Foetida] field, Malawi, ca.1911
- 负责人：
- 关键词：
- agriculture farming Croplands
- DOI：
- doi:10.25549/impa-c123-79835
- 摘要：
- "Mauritius Hemp Nursery, Nyasaland, A. J. Storey, Blantyre". Exterior view showing a field of Furcraea Foetida, also know as Mauritius Hemp, Green
Agronomic Survey to Estimate Actual Yield Obtained by Farmers in Their Own Practices and Relation with Management Strategies (CIAT)
- 负责人：
- Kihara, Job;;International Center For Tropical Agriculture (CIAT)
- 关键词：
- DOI：
- doi:10.7910/dvn/x6qs6m
- 摘要：
- This study contains yield data of the two crops from tow representative sections of a field on plots 10m by 10m. Data taken on each of the plots
Genetic progress in Dutch crop yields
- 负责人：
- 关键词：
- Life sciences, medicine and health care winter wheat spring barley potato sugar beet crop yield genetic improvement agriculture Temporal coverage: 1972-2010
- DOI：
- doi:10.17026/dans-xb9-zpmw
- 摘要：
- s". Field Crops Research 149 (2013) 262\u2013268, http://dx.doi.org/10.1016/j.fcr.2013.05.008 Crop yields are a result of interactions between genetics, environment
Wixoe to Kirtling Green Pipeline. Archaeological Evaluation
- 负责人：
- Historic England;;University Of Birmingham
- 关键词：
- COPPER ALLOY CHARCOAL WATCHING BRIEF GEOPHYSICAL SURVEY EXCAVATION EVALUATION Targeted Trenches URN Animal Bone TILE
- DOI：
- doi:10.5284/1046266
- 摘要：
- to the north in Field 2 with several ditches and what appeared to bepossible structures with associated cobbled surfaces.Fields 13-16 showed evidence of sparse
Data from: The relative importance of green infrastructure as refuge habitat for pollinators increases with local land-use intensity
- 负责人：
- DOI：
- doi:10.5061/dryad.tdz08kpws
- 摘要：
- landscapes, linear landscape elements such as field boundaries, road verges and ditch banks are the main remaining green infrastructures providing refuge
Data from: Pyroelectricity and field induced spin-flop in (4-(Aminomethyl)pyridinium)2MnCl4?2H2O
- 负责人：
- DOI：
- doi:10.5061/dryad.vmcvdncpt
- 摘要：
- t 1 is antiferromagnetic ordering below 2.5 K. A field induced spin-flop is observed in the antiferromagnetic ordering state.
Data from: High effectiveness of tailored flower strips in reducing pests and crop plant damage
- 负责人：
- 关键词：
- Conservation biological control ecosystem functioning habitat management landscape context wildflower strip
- DOI：
- doi:10.5061/dryad.51cj4
- 摘要：
- flower strips targeted at the promotion of natural pest control in winter wheat. Flower strips were experimentally sown along 10 winter wheat fields ac
Examining the association between livestock ownership typologies and child nutrition in the Luangwa Valley, Zambia
- 负责人：
- 关键词：
- 70106 Farm Management, Rural Management and Agribusiness 111199 Nutrition and Dietetics not elsewhere classified
- DOI：
- doi:10.6084/m9.figshare.5764500.v1
- 摘要：
- in-home questionnaires through face-to-face interviews.
Sampling: Twenty rural field sites within four Chiefdoms of Zambia's Eastern Province were purposively
Data from: Experimental evidence that honeybees depress wild insect densities in a flowering crop
- 负责人：
- Lindstr?m, Sandra
- DOI：
- doi:10.5061/dryad.rt166
- 摘要：
- the densities of wild insects through competition. To investigate this, we added 624 honeybee hives to 23 fields of oilseed rape (Brassica napus L.) over 2 yea
