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共检索到238条 ,权限内显示50条;
Khalil:CH4 and N2O Emissions From Sub-tropical Rice Agriculture In China
- 负责人：
- DOI：
- doi:10.5063/aa/nceas.883.2
- 摘要：
- ng the growing seasons. These factors tend to reduce methane emissions. But the rice straw and crop residues from the first crop of the year are plowed into the fields
Khalil:CH4 and N2O Emissions From Sub-tropical Rice Agriculture In China
- 负责人：
- DOI：
- doi:10.5063/aa/nceas.883.1
- 摘要：
- ng the growing seasons. These factors tend to reduce methane emissions. But the rice straw and crop residues from the first crop of the year are plowed into the fields
Khalil:CH4 and N2O Emissions From Sub-tropical Rice Agriculture In China
- 负责人：
- DOI：
- doi:10.5063/aa/nceas.883.4
- 摘要：
- ng the growing seasons. These factors tend to reduce methane emissions. But the rice straw and crop residues from the first crop of the year are plowed into the fields
Data from: Impacts of honeybee density on crop yield: a meta-analysis
- 负责人：
- Rollin, Orianne
- 关键词：
- crop yield Apis mellifera colony density visitation rate fruit set seed set fruit weight management strategy
- DOI：
- doi:10.5061/dryad.dj5f7kc
- 摘要：
- 1. There is increasing recognition that pollination deficits are limiting crop yields worldwide. However, management strategies for op
Data from: The interplay of landscape composition and configuration: new pathways to manage functional biodiversity and agro-ecosystem services acro
- 负责人：
- Martin, Emily
- 关键词：
- yields biodiversity agroecosystem landscape composition landscape configuration functional traits arthropods natural pest control pollination
- DOI：
- doi:10.5061/dryad.6tj407n
- 摘要：
- , pest control, pollination and yields. Configuration effects interacted with the proportions of crop and non‐crop habitats, and species’ dietary, dispersal
Genetic progress in Dutch crop yields
- 负责人：
- 关键词：
- crop yield Life sciences, medicine and health care winter wheat spring barley potato sugar beet genetic improvement agriculture Temporal coverage: 1972-2010
- DOI：
- doi:10.17026/dans-xb9-zpmw
- 摘要：
- This dataset contains the underlying data for the study: Rijk, B., Ittersum, M. van, Withagen, J. "Genetic progress in Dutch crop yields
Effects of Climate Change on Global Food Production from SRES Emissions and Socioeconomic Scenarios;;Effects of Climate Change on Global
- 负责人：
- DOI：
- doi:10.7927/h4jm27jz
- 摘要：
- to regional and national, and rainfed and irrigated production; 3) quantitative foundation for estimation of physiological CO2 effects on crop yields
Technical thinning age of eucalyptus trees grown in crop-forest integration systems
- 负责人：
- DOI：
- doi:10.6084/m9.figshare.9985862
- 摘要：
- d not prove adequate as a reference for thinning, when yields of agricultural crops are not jointly monitored. Methods focusing on controlling the basal area
Data from: The influence of crop tiller density on the breeding performance of a cereal-nesting specialist
- 负责人：
- Setchfield, Rosemary
- 关键词：
- corn bunting breeding performance farmland bird cereal crop crop management nest site selection nest survival ecological trap edge effect intensive agriculture
- DOI：
- doi:10.5061/dryad.g4t3s
- 摘要：
- In the pursuit of maximizing agricultural yields and profits, crop management under intensive agriculture has reduced the heterogeneity of crop sward
NPP Cropland: Gridded Estimates for the Central U.S.A., 1982-1996
- 负责人：
- DOI：
- doi:10.5063/aa/nceas.184.2
- 摘要：
- harvested yield, as recorded in national agricultural statistics. The magnitudes and inter-annual variations in NPP of croplands in the US Mid-West were estimated
