College of Agriculture and Life Sciences (CALS)
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Virginia Tech's College of Agriculture and Life Sciences has come a long way since Virginia Tech's modest beginnings when Virginia Agricultural and Mechanical College first opened its doors in 1872.
Sub-communities within this community
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Department of Entomology [278]
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Information Systems for Biotechnology (ISB) [30]
A resource in agricultural and environmental biotechnology -
School of Plant and Environmental Sciences [823]
SPES includes three departments: Crop and Soil Environmental Sciences; Horticulture; and Plant Pathology, Physiology, and Weed Science. -
Virginia Agricultural Experiment Station [184]
VAES faculty are located at 11 Agricultural Research and Extension Centers and three colleges at Virginia Tech
Collections in this community
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CALS Global [1]
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College Publications, College of Agriculture and Life Sciences (CALS) [21]
Newsletters, annual reports, and other CALS publications -
Food and Agricultural Education Information System (FAEIS) [65]
FAEIS compiles nationwide higher education data for the life, food, veterinary, human, natural resource, and agricultural sciences. Managed by Virginia Tech since 2002. -
Online Master of Agricultural and Life Sciences [155]
This collection is a repository of student final projects for the Online Master of Agricultural and Life Sciences program.
Recent Submissions
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Managing for the middle: rancher care ethics under uncertainty on Western Great Plains rangelands
(2019-12)Ranchers and pastoralists worldwide manage and depend upon resources from rangelands (which support indigenous vegetation with the potential for grazing) across Earth's terrestrial surface. In the Great Plains of North ... -
Soil Bacterial and Fungal Communities Exhibit Distinct Long-Term Responses to Disturbance in Temperate Forests
(2019-12-11)In Appalachian ecosystems, forest disturbance has long-term effects on microbially driven biogeochemical processes such as nitrogen (N) cycling. However, little is known regarding long-term responses of forest soil microbial ... -
Political Economy Of The 2014 Farm Bill
(Oxford University Press, 2015-06-11)This article assesses the political economy of the 2014 U.S. farm bill, with a focus on the farm support safety net. The farm bill secured substantial bipartisan majorities in a politically contentious Congress. Planned ... -
Upper Stroubles Creek Watershed TMDL Implementation Plan Montgomery County, Virginia
(Virginia Tech, 2006-05-24)A Total Maximum Daily Load (TMDL) study was conducted on Stroubles Creek from April 2002 through October 2003 and approved by EPA in January 2004 (Benham et al., 2003). The TMDL specified the maximum sediment load that ... -
Comparing Field Sampling and Soil Survey Database for Spatial Heterogeneity in Surface Soil Granulometry: Implications for Ecosystem Services Assessment
(2019-09-18)Lithospheric-derived resources such as soil texture and coarse fragments are key soil physical properties that contribute to ecosystem services (ES), which can be valued based on "soil" or "mineral" stocks. Soil survey ... -
The olfactory basis of orchid pollination by mosquitoes
(National Academy of Sciences, 2020-01-07)Mosquitoes are important vectors of disease and require sources of carbohydrates for reproduction and survival. Unlike host-related behaviors of mosquitoes, comparatively less is understood about the mechanisms involved ... -
Evaluation instrument use for camp practitioners: A review of evaluation instruments for a one-week or short-term residential camp context
(Virginia Tech, 2019-12-19)For camps, designing and executing experiential-based programming, as well as their structure is central to their value of providing opportunities for positive youth development. Those within the camp community, inherently ... -
Sustainable urban drainage: delineation of a scientific domain of knowledge production
(2019-10)Sustainable Urban Drainage emerged and gained prominence during the late 90s. Despite this progress, there is little uniformity in subjects and definition of terms within the overall sustainability theme. This tends to ... -
Whole-Genome Resequencing of Seven Eggplant (Solanum melongena) and One Wild Relative (S. incanum) Accessions Provides New Insights and Breeding Tools for Eggplant Enhancement
(2019-10-08)Whole-genome resequencing provides information of great relevance for crop genetics, evolution, and breeding. Here, we present the first whole-genome resequencing study using seven eggplant (Solanum melongena) and one wild ... -
Using A Tiered Approach for Implementing Networked Learning Communities: A Case Study on Developing the Capacity of Leaders to Implement Systemwide Innovations within International Training and Development Programs
(Association for International Agricultural and Extension Education, 2020-01-01)This case study demonstrates how change agents can utilize networked learning communities (NLCs) with shared leadership to provide the structural supports for learning and influence the implementation of innovations within ... -
Selective Histone Deacetylase 6 Inhibition Normalizes B Cell Activation and Germinal Center Formation in a Model of Systemic Lupus Erythematosus
(2019-10-25)Autoantibody production by plasma cells (PCs) plays a pivotal role in the pathogenesis of systemic lupus erythematosus (SLE). The molecular pathways by which B cells become pathogenic PC secreting autoantibodies in SLE are ... -
Enzymatic degradation of extracellular DNA exposed to chlorpyrifos and chlorpyrifos-methyl in an aqueous system
(2019-11)The persistence of extracellular DNA (eDNA) is crucial for ensuring species diversity and ecological function in aquatic systems. However, scarce information exists about the impact of pesticides on eDNA, although they ... -
Whole genome sequence analysis reveals the broad distribution of the RtxA type 1 secretion system and four novel putative type 1 secretion systems throughout the Legionella genus
(PLoS, 2020-01-01)Type 1 secretion systems (T1SSs) are broadly distributed among bacteria and translocate effectors with diverse function across the bacterial cell membrane. Legionella pneumophila, the species most commonly associated with ... -
Revisiting the Hewlett and Hibbert (1963) Hillslope Drainage Experiment and Modeling Effects of Decadal Pedogenic Processes and Leaky Soil Boundary Conditions
(American Geophysical Union, 2019-10-22)Subsurface flow dominates water movement from hillslopes to streams in most forested headwater catchments. Hewlett and Hibbert (1963, https://doi.org/10.1029/JZ068i004p01081) constructed an idealized hillslope model (0.91 ... -
Floodplain inundation spectrum across the United States
(2019-11-15)Floodplain inundation poses both risks and benefits to society. In this study, we characterize floodplain inundation across the United States using 5800 stream gages. We find that between 4% and 12.6% of a river's annual ... -
Genome Wide Association Study and Genomic Selection of Amino Acid Concentrations in Soybean Seeds
(2019-11-15)Soybean is a major source of protein for human consumption and animal feed. Releasing new cultivars with high nutritional value is one of the major goals in soybean breeding. To achieve this goal, genome-wide association ... -
Student-Managed Commodity Fund—A New Frontier in Experiential Learning
(Cambridge University Press, 2019-10-03)This study provides a road map for creating and operating a student-managed investment fund (SMIF) as an experiential learning opportunity in commodity market analysis. We describe the reasons for implementing a SMIF and ... -
Creation of Early Flowering Germplasm of Soybean by CRISPR/Cas9 Technology
(2019-11-22)Soybean is an important economic crop and a typical short-day crop, sensitive to photoperiod, and has narrow geographical adaptative region, which limit the creation of transgenic materials and reduce the breeding efficiency ...
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