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共检索到8164条 ,权限内显示50条;
Oxen treading wheat, , Punjab, Pakistan, ca.1890
- 负责人：
- 关键词：
- agriculture farming Ox teams Wheat
- DOI：
- doi:10.25549/impa-c123-78896
- 摘要：
- \u201CTreading the wheat.\u201D Exterior view of an oxen being led over harvested wheat in a field as a form of threshing. ? This is one of a series
Data from: Biocontrol in insecticide sprayed crops does not benefit from semi-natural habitats and recovers slowly after spraying
- 负责人：
- Gagic, Vesna
- 关键词：
- biological pest control ecosystem service ecological intensification pest suppression Helicoverpa cotton selection effect insecticides
- DOI：
- doi:10.5061/dryad.0ft1474
- 摘要：
- ) egg predation in 53 Australian cotton fields and semi-natural field margins across two years. We used predation experiments close to field edges to exclude
Winter Rainfall Crops
- 负责人：
- South African Environmental Observation Network
- 关键词：
- biomass potential degraded land erosion barren rock Agriculture Commercial cropping systems Socio-economic Economic activity Land Transformation
- DOI：
- doi:10.15493/bea.data.10000088
- 摘要：
- The dataset includes all field boundaries in the Western Cape province, with the associated winter crops. The digitising of the fields where don
Data from: Magnetic field inhomogeneities due to CO 2 incubator shelves: a source of experimental confounding and variability?
- 负责人：
- DOI：
- doi:10.5061/dryad.5k6gb
- 摘要：
- A thorough assessment of the static magnetic field (SMF) inside a CO2 incubator allowed us to identify non-negligible inhomogeneities close
Data from: A gradiometric version of contactless inductive flow tomography: theory and first applications
- 负责人：
- DOI：
- doi:10.5061/dryad.5nk70
- 摘要：
- by measuring the flow-induced perturbations of one or various applied magnetic fields and solving the underlying inverse problem. One of the most promising
Data from: Contrasting patterns of functional diversity in coffee root fungal communities associated with organic and conventionally-managed fields
- 负责人：
- DOI：
- doi:10.5061/dryad.q2bvq83g1
- 摘要：
- in two regions of Costa Rica. We amplified the ITS2 region of fungal DNA from coffee roots in these fields and characterized the rhizosphere fungal community vi
Data from: Reconstruction of velocity fields in electromagnetic flow tomography
- 负责人：
- DOI：
- doi:10.5061/dryad.q2102
- 摘要：
- s been proposed for measuring velocity fields using several coils and a set of electrodes attached to the surface of the pipe. In this work, a velocity field
Data from: Wildflower strips enhance pollination in adjacent strawberry crops at the small scale
- 负责人：
- Ganser, Dominik
- DOI：
- doi:10.5061/dryad.0js540s
- 摘要：
- in WFS than in adjacent strawberry fields. Moreover, wild bee visitation was enhanced in adjacent strawberry crops near WFS compared to field centres
Data from: Annual flower strips support pollinators and potentially enhance red clover seed yield
- 负责人：
- Rundlof, Maj
- 关键词：
- biological control bumble bees ecological intensification ecosystem services floral resources habitat enhancement pollination red clover
- DOI：
- doi:10.5061/dryad.1h5717p
- 摘要：
- clover fields along a landscape heterogeneity gradient, over two years and across two regions in southern Sweden. About half of the fields were sown
Data from: Genetic diversity of oilseed rape fields and feral populations in the context of coexistence with GM crops
- 负责人：
- DOI：
- doi:10.5061/dryad.pc6sd
- 摘要：
- of field emerged: fields sown with a single cultivar, fields sown with two cultivars, and unassigned fields (too many cultivars or unassigned plants
