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Agrarian Typology of Provinces of European Russia at the Turn of the 20th Century;;Archival Version
负责人:
关键词:
DOI:
doi:10.3886/icpsr08380
摘要:
of land leased to peasants to investment property, per capita collection of crops and sown area, productivity of livestock, and cost of land and crops
Agrarian Typology of Provinces of European Russia at the Turn of the 20th Century;;Version 1
负责人:
关键词:
DOI:
doi:10.3886/icpsr08380.v1
摘要:
of land leased to peasants to investment property, per capita collection of crops and sown area, productivity of livestock, and cost of land and crops
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:
managed cereal crops therefore place their nests in areas of high tiller density which under normal sowing practice tend to occur close to crop edges wher
FAIRsharing record for: Food and Agriculture Organization (FAO)-IPGRI-Bioversity Multi-Crop Passport Descriptor;;CO_020
负责人:
关键词:
Agriculture Botany Plant Genetics Food
DOI:
doi:10.25504/fairsharing.zkdn1d
摘要:
variables for many crops. This ontology is one of these reference plant ontologies integrated within the Crop Ontology.;;The source of this descr
Data from: Genetic diversity of oilseed rape fields and feral populations in the context of coexistence with GM crops
负责人:
关键词:
agroecosystem feral population cultivars
DOI:
doi:10.5061/dryad.pc6sd
摘要:
Despite growing concern about transgenes escaping from fields, few studies have analysed the genetic diversity of crops in an agroecosystem over seve
Data from: Impacts of honeybee density on crop yield: a meta-analysis
负责人:
Rollin, Orianne
关键词:
Apis mellifera colony density visitation rate crop yield fruit set seed set fruit weight management strategy
DOI:
doi:10.5061/dryad.dj5f7kc
摘要:
timal insect pollination are still unclear for most crops. Current management focuses on providing high densities of honeybees, but recommended densities are highly variable
Data from: Sensitivity of the farmland bird community to crop diversification in Sweden: does the CAP fit?
负责人:
Josefsson, Jonas
关键词:
agri-environment schemes Common Agricultural Policy crop diversification farmland birds landscape composition landscape complexity mosaic landscapes multifunctional agriculture wildlife conservation land use
DOI:
doi:10.5061/dryad.0g794
摘要:
r management under the CAP crop diversification measure (minimum of three crops for farms with 30+ ha), suggesting that this measure has generated little change
Data from: Monarch butterfly and milkweed declines substantially predate the use of genetically modified crops
负责人:
Boyle, John H.
关键词:
specimen records monarch butterfly milkweed genetically modified crops multi-model inference
DOI:
doi:10.5061/dryad.sk37gd2
摘要:
its decline, and that of its milkweed (Asclepias spp.) host plant, have been linked to genetically modified (GM) crops and associated herbicide use. Her
Data from: Winter cover crop legacy effects on litter decomposition act through litter quality and microbial community changes
负责人:
Barel, Janna
关键词:
crop rotation decomposition microbial community composition winter cover crop legacy effects standardised substrates nitrogen cycling carbon cycling
DOI:
doi:10.5061/dryad.pk5n1p4
摘要:
and influenced by cropping history is unclear. 2.We grew WCC monocultures and mixtures in rotation with main crops Avena sativa and Cichorium endivia
South Africa Limpopo Basin Climate Change Adaptation Dataset
负责人:
IFPRI-DATA;;International Food Policy Research Institute
关键词:
DOI:
doi:10.7910/dvn/ifcz7r
摘要:
was designed to capture the diverse agricultural patterns in the basin area: farming strata, type of cultivation (dry land and irrigation), major and minor crops

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