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NPP Cropland: Gridded Estimates for the Central U.S.A., 1982-1996
- 负责人：
- DOI：
- doi:10.5063/aa/nceas.184.7
- 摘要：
- Net primary productivity (NPP) of agricultural regions, where most of the land is sown with a few well-studied crops, was estimated from crop
Data from: Insect pollination is at least as important for marketable crop yield as plant quality in a seed crop
- 负责人：
- Fijen, Thijs
- 关键词：
- crop pollination crop yield agricultural management functional groups species richness visitation rate agro-ecology structural equation modeling
- DOI：
- doi:10.5061/dryad.640v21f
- 摘要：
- and pollination increased crop value by an estimated $18 007 and $17 174 ha?1 respectively. Across five crop lines, bumblebees delivered most pollination services
Tree Shelterbelts as an Element to Improve Water Resource Management in Central Asia
- 负责人：
- Thevs, Niels
- 关键词：
- DOI：
- doi:10.7910/dvn/0kkj09
- 摘要：
- substantially. Alternatively, tree lines as wind breaks (shelterbelts) also can reduce crop water consumption, as shown by research from many drylands aro
Data from: Deer-mediated ecosystem service vs. disservice depends on forest management intensity
- 负责人：
- DOI：
- doi:10.5061/dryad.8cz8w9gkd
- 摘要：
- lue on non-commercial species as providers of ecosystem services. Yet, many deer species and non-crop plants are perceived negatively when they decrease crop pro
Data from: Sorghum and groundnut sole and intercrop nutrient response in semi-arid West Africa
- 负责人：
- Charles Wortmann
- 关键词：
- Sahel asymptotic response functions curvilinear to plateau economically optimal rate net return to fertilizer intercrop
- DOI：
- doi:10.5061/dryad.5v3b8gh
- 摘要：
- e conducted during 2014 and 2015 in Mali and Niger for determination of: response functions for sorghum sole crop (SSC) and intercrop to N, P, and K; effects
Data from: Diagnosis of crop secondary and micro-nutrient deficiencies in sub-Saharan Africa
- 负责人：
- Charles S Wortmann
- 关键词：
- relative yield response secondary and micronutrient foliar and soil test tropical crop tropical crops tropical soils
- DOI：
- doi:10.5061/dryad.5t065bb
- 摘要：
- Crop production in sub-Saharan Africa has numerous biotic and abiotic constraints, including nutrient deficiencies. Information on crop
Bicol Multipurpose Survey (BMS), 1983: [Philippines];;Archival Version
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr06889
- 摘要：
- . Data on coconut, sugar cane, and abaca crop production were also gathered, along with information about livestock and poultry, and extensive data wer
Bicol Multipurpose Survey (BMS), 1983: [Philippines];;Version 1
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr06889.v1
- 摘要：
- . Data on coconut, sugar cane, and abaca crop production were also gathered, along with information about livestock and poultry, and extensive data wer
Data from: Landscape-scale interactions of spatial and temporal cropland heterogeneity drive biological control of cereal aphids
- 负责人：
- Baillod Bosem, Aliette
- 关键词：
- aphid parasitism crop rotation edge effect field margin field size landscape composition landscape configuration predator-prey ratio spatial heterogeneity temporal heterogeneity
- DOI：
- doi:10.5061/dryad.2tf5j
- 摘要：
- 1. Agricultural landscapes are characterised by dynamic crop mosaics changing in composition and configuration over space and time
Data from: Trade-offs in provisioning and stability of ecosystem services in agroecosystems
- 负责人：
- Montoya, Daniel
- 关键词：
- DOI：
- doi:10.5061/dryad.533qk3d
- 摘要：
- to investigate the dynamics of three ecosystem services in intensively-managed agroecosystems, i.e. pollination-independent crop yield, crop
