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United States Agriculture Data, 1840 - 2012;;Version 1
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr35206.v1
- 摘要:
- : 1950 Crops, County and State, Dataset 2\t\t\t\t\t\tDS23: 1950 County, Dataset 3\t\t\t\t\t\tDS24: 1950 County and State, Dataset 4\t\t\t\t\t\tDS25: 1954
United States Agriculture Data, 1840 - 2012;;Version 4
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr35206.v4
- 摘要:
- : 1950 Crops, County and State, Dataset 2\t\t\t\t\t\tDS23: 1950 County, Dataset 3\t\t\t\t\t\tDS24: 1950 County and State, Dataset 4\t\t\t\t\t\tDS25: 1954
Data from: Novel loci underlie natural variation in vitamin E levels in maize grain
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.5t8d9
- 摘要:
- hyll biosynthetic enzymes that explain the majority of tocopherol variation, which was not predicted, given that, like most major cereal crops, maize grain is non-photosynthetic
Data from: Type of fitness cost influences the rate of evolution of resistance to transgenic Bt crops
- 负责人:
- Hackett, Sean
- 关键词:
- Dynamic Programming Bt population genetics population dynamics density dependence resistance management selection evolution transgenic crops high-dose/refuge
- DOI:
- doi:10.5061/dryad.4s405
- 摘要:
- The evolution of resistance to pesticides by insect pests is a significant challenge for sustainable agriculture. For transgenic crops expressing
Data from: Fertilizer application effects on grain and storage root nutrient concentration
- 负责人:
- Charles Wortmann
- DOI:
- doi:10.5061/dryad.pj76g30
- 摘要:
- , Niger, Nigeria, and Tanzania were used to evaluate nutrient application effects on nutrient concentrations for grain of five pulse and five cereal crops
Data from: Do polycultures promote win-wins or tradeoffs in agricultural ecosystem services? A meta-analysis
- 负责人:
- 关键词:
- additive design substitutive design agroecosystems biological control intercropping multifunctionality yield polyculture ecosystem services
- DOI:
- doi:10.5061/dryad.m1m50
- 摘要:
- ge quantities of the primary crop for compatibly harvestable secondary crops. Additionally, if planting at high cropping densities, it is important that legumes
Data from: Highly diversified crop-livestock farming systems reshape wild bird communities
- 负责人:
- DOI:
- doi:10.5061/dryad.rjdfn2z62
- 摘要:
- of agricultural pest insects but did not bolster native granivores that may be more likely to damage crops. Crop-livestock systems also significantly incr
Data from: Pest control potential of adjacent agri-environment schemes varies with crop type and is shaped by landscape context and within-field
- 负责人:
- DOI:
- doi:10.5061/dryad.mcvdncjxn
- 摘要:
- s of agri-environmental schemes (AES) in different adjacent crops during crop rotation vary and depends on ecological contrasts. A network of semi-natural habitats and spatially
Data from: An ecological approach to measuring the evolutionary consequences of gene flow from crops to wild or weedy relatives
- 负责人:
- 关键词:
- Agriculture Genetically Modified Organisms Hybridization Plant Mating Systems Population Genetics - Empirical Allozymes Crop-Wild Gene Flow Genotypes Sea Beet Sugar Beet
- DOI:
- doi:10.5061/dryad.2d95h
- 摘要:
- Premise of the study: Agricultural practices routinely create opportunities for crops to hybridize with wild relatives, leading to crop gene intro
Data from: The origin and evolution of phototropins
- 负责人:
- 关键词:
- photoreceptors;convergent evolution;blue-light;phototropism;Viridiplantae;Streptophyta;land plants
- DOI:
- doi:10.5061/dryad.321bv
- 摘要:
- hough phototropins have been well-characterized in Arabidopsis thaliana, their evolutionary history is largely unknown. In this study, we complete