United States Department of Agriculture Agricultural Research Service
 
TEKTRAN
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Analysis Tools - Alternative Systems
item Prediction of senescent rangeland canopy structural attributes with airborne hyperspectral imagery (Jun 2013)
item Diversification and ecosystem services for conservation agriculture: Outcomes from pastures and integrated crop-livestock systems (Apr 2013)
item Periphyton responses to nutrient and atrazine mixtures introduced through agricultural runoff (Feb 2013)
item Carbon dioxide diffusion across stomata and mesophyll and photo-biochemical processes as affected by growth CO2 and phosphorus nutrition in cotton (Feb 2013)
item Genetic diversity of resident soil rhizobia isolated from nodules of distinct hairy vetch genotypes (Feb 2013)
item Effects of elevated CO2 and cyclic drought on potato under varying radiation regimes (Jan 2013)
item Simulating dryland water availability and spring wheat production under various management practices in the Northern Great Plains (Jan 2013)
item Co-occurring anammox, denitrification and codenitrification in agricultural soils (Jan 2013)
item Soil sorptivity enhancement with crop residue accumulation in simiarid dryland no-till agroecosystems (Jan 2013)
item Assessment of best management practice effects on metolachlor mitigation in an agricultural watershed (Nov 2012)
item Combining explanatory crop models with geospatial data for regional analyses of crop yield using field-scale modeling units (Nov 2012)
item Assessment of agricultural return flows under changing climate and crop water management (Sep 2012)
item Root Zone Water Quality Model (RZWQM2): Model use, calibration, and validation (Sep 2012)
item Effects of field variables on infield biomass bales aggregation strategies (Aug 2012)
item Mechanical shear and tensile characteristics of selected biomass stems (Aug 2012)
item LaTeX for Agricultural Extension Professionals (Aug 2012)
item Simulation of over-winter soil water and soil temperature with SHAW and RZ-SHAW (Aug 2012)
item Modeling temperature responses of leaf growth, development, and biomass in maize with MAIZSIM (Aug 2012)
item Simulated yield and profitability of five potential crops for intensifying the dryland wheat-fallow production system (Aug 2012)
item Changes in soil organic carbon and nitrogen fractions with duration of no-tillage management (Jul 2012)
item Development and evaluation of the carbon-nitrogen cycle module for the GPFARM-Range model (Jul 2012)
item Agricultural management and greenhouse gas flux: cropland management in eastern and central US (Jun 2012)
item Managing Soil Biodiversity and Ecosystem Services (Jun 2012)
item Economic outcomes of greenhouse gas mitigation options (Jun 2012)
item Nitrogen concentration and dry matter accumulation in maize crop: Assessing maize nitrogen status with an allometric function and a chlorophyll meter (May 2012)
item Switchgrass and intermediate wheatgrass aboveground and belowground response to nitrogen and calcium (May 2012)
item Climate change in Asia and the Pacific: How can countries adapt? (May 2012)
item Response of potato gas exchange and productivity to phosphorus deficiency and CO2 enrichment (May 2012)
item Modeling the impacts of climate change on irrigated corn production in the central Great Plains (Apr 2012)
item Integrated crops and livestock in central North Dakota, USA: Agroecosystem management to buffer soil change (Apr 2012)
item Terrestrial laser scanning for delineating in-stream boulders and quantifying habitat complexity measures (Apr 2012)
item Monitoring the vulnerability and need for adaptation planning for food security (Apr 2012)
item Hydration characteristics of switchgrass, big bluestem, and bromegrass (Mar 2012)
item Global sensitivity analysis of a dynamic agroecosystem model under different irrigation treatments (Mar 2012)
item Quantifying the measurement errors in a LI-6400 gas exchange system and their effects on the parameterization of Farquhar et al. model for C3 leaves (Mar 2012)
item Linking a Germplasm Collection of the Cover Crop Hairy Vetch (Vicia villosa Roth) to Traits Related to Improved Nitrogen Fixation (Mar 2012)
item Reduced-tillage organic corn production in a hairy vetch cover crop (Feb 2012)
item Crop management for switchgrass (Feb 2012)
item Simulating the surface energy balance in a soybean canopy with SHAW and RZ-SHAW models (Feb 2012)
item Evaluating local crop residue biomass supply: Economic and environmental impacts (Jan 2012)
item Conservation tillage issues: cover crop-based organic rotational no-till grain production in the mid-atlantic region (Jan 2012)
item Crop rotation principles for the northern Plains (Jan 2012)
item Simulating nitrate-nitrogen concentration from a subsurface drainage system in response to nitrogen applicaton rates using RZWQM2 (Jan 2012)
item Crop Management to Cope with Global Change: A Systems Perspective Aided by Information Technologies (Dec 2011)
item A protocol for parameterization and calibration of RZWQM2 in field research (Dec 2011)
item Parameterization of the GPFARM-Range model for simulating rangeland productivity (Dec 2011)
item A synthesis of current parameterization approaches and needs for further improvements (Dec 2011)
item Calibrating RZWQM2 model for maize responses to deficit irrigation (Dec 2011)
item Environmental decision support systems (EDSS)development- challenges and best practices (Dec 2011)
item Cover crop activities in North Dakota (Oct 2011)
item Bioenergy cropping systems for food, feed, fuel, and soil (Oct 2011)
item Balancing feedstock economics and ecosystem services (Sep 2011)
item Biomass composition of perennial grasses for biofuel production in North Dakota, USA (Sep 2011)
item Evaluating a core germplasm collection of the cover crop hairy vetch for use in sustainable farming systems (Aug 2011)
item Climate change impacts on dryland cropping systems in the central Great Plains, USA (Aug 2011)
item Infield aggregation and transport of biomass round bales (Aug 2011)
item Soil hydrological attributes of an integrated crop-livestock agroecosystem: Increased adaptation through resistance to soil change (Jun 2011)
item Potato stem density effects on canopy development and production (Jun 2011)
item High temperature effects on rice growth, yield, and grain quality (May 2011)
item Modeling of full and limited irrigation scenarios for corn in a semiarid environment (Apr 2011)
item Modeling water and soil quality environmental impacts associated with bioenergy crop production and biomass removal in the midwest usa (Apr 2011)
item Toward improving global estimates of field soil water capacity (Mar 2011)
item Weed seed persistence and microbial abundance in long-term organic and conventional cropping systems (Mar 2011)
item Mineralizable soil nitrogen and labile soil organic matter in diverse long-term cropping systems (Feb 2011)
item Effect of elevated carbon dioxide and water stress on gas exchange and water use efficiency in corn (Jan 2011)
item Spatial Analysis of Biomass Supply: Economic and Environmental Impacts (Nov 2010)
item Drought and cropping intensity impact on soil organic carbon and total N across a cantena sequence (Nov 2010)
item Economic and environmental impacts of corn stover removal for biofuel production: A farm level case study (Oct 2010)
item Evaluation of modeling bias and uncertainty using different field capacity estimates in the APEX model (Oct 2010)
item Determining switchgrass biomass supplies for cellulosic biorefineries (Oct 2010)
item Ensemble approach to provide uncertainty estimates of soil bulk density in support of simulation based environmental impact and risk assessment studies (Sep 2010)
item Effects of carbon dioxide and temperature on crops: Lessons from SPAR growth chambers (Sep 2010)
item Simulation of sandsage-bluestem forage growth under varying stocking rates (Sep 2010)
item Simulation of free air CO2 enriched wheat growth and interaction with water, nitrogen, and temperature (Aug 2010)
item Efficient Methods of Estimating Switchgrass Biomass Supplies (Aug 2010)
item The role of multi-feedstocks for cellulosic biofuel production and their potential in mitigating greenhouse gas emissions (Jul 2010)
item Modeling Bioenergy Feedstock Supply: Impacts of Temporal and Spatial Variability (Jul 2010)
item Economic Perspectives on Organic Grains: Past, Present, and Future (Jul 2010)
item Cover Crop Chart: An Outreach Tool for Agricultural Producers (Jul 2010)
item Cover Crop Chart: An Outreach Tool for Agricultural Producers (Jul 2010)
item Spatial and Temporal Effects on Switchgrass Stands and Yield in the Great Plains (Jun 2010)
item Managing Nitrogen Fertilizer for Economic Returns and Greenhouse Gas Reductions on Irrigated Cropping Systems in Colorado (May 2010)
item Short-term plant species impact on microbial community structure in soils with long-term agricultural history (May 2010)
item Improving estimations of field soil water capacity from laboratory-measured soil properties (Apr 2010)
item Subplots facilitate assessment of corn yield losses from weed competition in a long-term systems experiment (Apr 2010)
item Simulation of potato gas exchange rates using SPUDSIM (Mar 2010)
item Predicting Unsaturated Zone Nitrogen Mass Balances in Agricultural Settings of the United States (Feb 2010)
item Water Resources and Agricultural Water Use in the North China Plain: Current Status and Management Options (Jan 2010)
item Greenhouse Gas Mitigation Economics for Irrigated Cropping Systems in Northeastern Colorado (Jan 2010)
item Evaluating toxicity of atrazine and lambda-cyhalothrin amendments in agricultural ditch mesocosms (Jan 2010)
item A Characterization of Benthic Macroinvertebrate Communities in Agricultural Drainage Ditches of the Northeast Arkansas Delta, USA (Jan 2010)
item Denitrification at Sub-Zero Temperatures in Arable Soils: A Review (Nov 2009)
item Fertilizer Application Timing Influences Greenhouse Gas Fluxes Over a Growing Season (Nov 2009)
item A step by step procedure for parameterization, calibration, validation, and application of a system model in field research (Nov 2009)
item Impact of Precipitation Timing and Soil Water at Planting on Wheat and Corn Yields in the Central Great Plains (Nov 2009)
item A rapid and cost effective method for soil carbon mineralization under static incubations (Nov 2009)
item Simulation of Climate Change Impacts on Wheat-Fallow Cropping Systems (Nov 2009)
item Scale as the common language for soil variations revealed with geophysics, biophysics, and remote sensing (Nov 2009)
item Calibration and Evaluation of CERES-Maize in Full and Limited Irrigation Scenarios for Corn in a Semiarid Environment (Nov 2009)
item Net Fluxes of CO2, but not N20 or CH4, are Affected Following Agronomic-Scale Additions of Urea to Prairie and Arable Soils (Sep 2009)
item Economic Risk Analysis of Experimental Cropping Systems Using the SMART Risk Tool (Aug 2009)
item Global Warming Potential of Organic and Conventional Grain Cropping Systems in the mid-Atlantic Region of the U.S. (Aug 2009)
item Long-term assessment of the productivity, profitability, and environmental impact of two mid-Atlantic no-tillage cropping systems (Aug 2009)
item Development of 'Principles of Integrated Agricultural Systems': The use of farmer panels (Aug 2009)
item Land Allocation in Agricultural Systems: Use of a Simple Model to Examine Impacts of External Drivers (Aug 2009)
item Using Computer Models to Explore Alternative Scenarios for Managing Limited Irrigation Water (Jul 2009)
item Economic Risk Analysis of Agricultural Tillage Systems Using the SMART Stochastic Efficiency Software Package (Jul 2009)
item Sustainability of Switchgrass for Cellulosic Ethanol: Evaluating Net Energy, Greenhouse Gas Emissions, and Feedstocks Costs (Jul 2009)
item Arbuscular Mycorrhizal Fungi and Glomalin Enhance Carbon Sequestration in Organic Farming Systems (Jul 2009)
item Fertilizer Application Timing Influences Greenhouse Gas Fluxes Over a Growing Season (Jun 2009)
item Wetland Ecosystem Services Vary With Climate for Prairie Pothole Landscapes (Jun 2009)
item Uses of Computer Simulation Models in Ag-Research and Everyday Life (Jun 2009)
item Training tomorrow's environmental problem-solvers: an integrative approach to graduate education (Jun 2009)
item Response of Crops to Limited Water: Understanding and Modeling Water Stress Effects on Plant Growth Processes (Apr 2009)
item Synthesis of Papers and Actions and Further Research to Improve Response of Crop System Models to Water Stress (Apr 2009)
item Organic horticulture, compost, and season-extending tunnels: Food Safety and crop quality (Apr 2009)
item Effect of Precipitation During Key Months on Forage Growth Potential (Apr 2009)
item Toward a Sustainable Agriculture (Apr 2009)
item Evaluating GPFARM Crop Growth, Soil Water, and Soil Nitrogen Components for Colorado Dryland Locations (Mar 2009)
item Farming for Net Profit (Feb 2009)
item Incorporating Grasslands into Cropping Systems: What are the Keys? (Oct 2008)
item Economic potential for switchgrass production in the U.S. Northern Plains: A minimum-data analysis (Sep 2007)
     
Last Modified: 06/18/2013