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共检索到112条 ,权限内显示50条;
Data from: Cover crop root contributions to soil carbon in a no-till corn bioenergy cropping system
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.bb458
- 摘要：
- Crop residues are potential biofuel feedstocks, but residue removal may reduce soil carbon (C). The inclusion of a cover crop in a corn bioener
Data from: Prevalence and abundance of bees visiting major conventionally-managed agricultural crops in Brazil
- 负责人：
- DOI：
- doi:10.5061/dryad.0m76c00
- 摘要：
- to determine the presence and abundance of bees visiting flowers within crops compared with adjacent off-crop habitats. Surveys were undertaken within crop
Data from: Seed fates in crop-wild hybrid sunflowers: crop allele and maternal effects
- 负责人：
- DOI：
- doi:10.5061/dryad.d06j2
- 摘要：
- ecially if crop alleles or crop-imparted seed coverings result in out-of-season germination. We performed a seed burial experiment using crop, wild, and diver
REPUBLIC OF ZAMBIA, Ministry of Agriculture Livestock and Central Statistical Office Crop Forecast Survey, 2013\/2014
- 负责人：
- Crawford, Eric W
- 关键词：
- DOI：
- doi:10.7910/dvn/mvowv0
- 摘要：
- This dataset is a cleaned version of the REPUBLIC OF ZAMBIA, Ministry of Agriculture Livestock and Central Statistical Office Crop Forecast Surve
REPUBLIC OF ZAMBIA, Ministry of Agriculture Livestock and Central Statistical Office Crop Forecast Survey, 2012\/2013
- 负责人：
- Crawford, Eric W
- 关键词：
- DOI：
- doi:10.7910/dvn/oq8tvm
- 摘要：
- This dataset is a cleaned version of the REPUBLIC OF ZAMBIA, Ministry of Agriculture Livestock and Central Statistical Office Crop Forecast Surve
REPUBLIC OF ZAMBIA, Ministry of Agriculture Livestock and Central Statistical Office, Modified Crop Forecast Survey , 2010-2011
- 负责人：
- Crawford, Eric W
- 关键词：
- DOI：
- doi:10.7910/dvn/xbncde
- 摘要：
- This dataset is a cleaned version of the REPUBLIC OF ZAMBIA, Ministry of Agriculture Livestock and Central Statistical Office Crop Forecast Surve
Data from: Biological pest control and yields depend on spatial and temporal crop cover dynamics
- 负责人：
- 关键词：
- agri-environmental schemes dilution effects ecosystem services inter-annual population dynamics oilseed rape parasitism pollen beetles resource concentration hypothesis
- DOI：
- doi:10.5061/dryad.q9690
- 摘要：
- and the annual increase or decrease in OSR cover due to crop rotation affect OSR herbivores, their natural enemies and crop yield. 2. During two study yea
Data from: Landscape-level crop diversity benefits biological pest control
- 负责人：
- Redlich, Sarah
- 关键词：
- ecological intensification farmland biodiversity parasitoids predators Sitobion avenae greening birds spatial scales crop diversity pest control
- DOI：
- doi:10.5061/dryad.g10f7
- 摘要：
- ong two independent gradients of crop diversity and seminatural habitat cover (SNH). We assessed biological control using a natural enemy exclusion experiment (‘Op
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：
- decomposition microbial community composition crop rotation winter cover crop legacy effects standardised substrates nitrogen cycling carbon cycling
- DOI：
- doi:10.5061/dryad.pk5n1p4
- 摘要：
- 1.In agriculture, winter cover crop (WCC) residues are incorporated into the soil to improve soil quality, as gradual litter
NPP Cropland: Gridded Estimates for the Central U.S.A., 1982-1996
- 负责人：
- DOI：
- doi:10.5063/aa/nceas.184.2
- 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 harve
