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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
关键词:
bean biofortification cassava groundnut maize peanut pearl millet pigeonpea rice sorghum
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:
关键词:
Wild Birds;crops;bird conservation;agricultural intensification;livestock production
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:
关键词:
agri-environment schemes (AES);carabid beetles;cereals;distance gradient;ecological intensification;ecosystem services (ES);ground-dwelling predators;Parasitoids;pest control;semi-natural habitats;predation rates;crop yields
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

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