Download - Nutrient tracking tool saleh
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NUTRIENT TRACKING TOOL (NTT: 2ND GEN.): AN APEX INTERFACE & A TOOL TO
EVALUATE THE ECONOMIC AND ENVIRONMENTAL IMPACTS OF FARM
MANAGEMENT PRACTICES(HTTP://NN.TARLETON.EDU/NTTG2)
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General Description and Use
A. Saleh
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What is NTT• Is built to evaluate the economic and
environmental impacts of management practices at farm and small watershed levels
• NTT a free, user-friendly, web-based program, and is directly accessible to producers, crop consultants, government officials, and the general public
• The results obtained from NTT can be used for different programs such as trading & TMDL
• Is used as an interface for APEX and NCDC models
8/4/2016 A. Saleh
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How does NTT work?
• Uses Agricultural Policy Environmental eXtender (APEX) to determine nutrient and sediment losses and runoff from agricultural fields
• Uses the Farm Economic Model (FEM) to assess the cost/benefit of farm management practices
• A web-based program that requires no software installation
• Transparent and easy to use
8/4/2016 A. Saleh
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Field and Farm Linkage: NTT
• Ability of connecting the fields in the farm by APEX routing function
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Expected Results
A. Saleh
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Major CPs for Delta areaConservation Practice
Baseline Values 20.4 1.79 16.51 2.6538 165
Fertilizer Incorporation (3 in.) ‐22.8 ‐13.4 0.0 2.6 0.0Nutrient Reduction (75%) ‐15.0 ‐21.2 0.0 0.0 0.0NoTill 27.7 91.1 ‐0.5 ‐19.4 0.0No Till+Incorporation ‐11.9 ‐7.8 ‐0.5 ‐19.5 0.0Auto‐Irrigation (Furrow) ‐1.5 ‐1.7 2.0 ‐3.6 1.2Furrow Diking ‐66.3 ‐74.3 ‐53.9 ‐65.9 1.2Pads and Pipes 1 ‐8.7 ‐15.6 ‐12.8 ‐10.4 0.0*Pads and Pipes 2 ‐26.8 ‐29.6 ‐12.4 ‐34.2 0.0*Pads and Pipes 3 ‐48.4 ‐50.3 ‐30.2 ‐54.5 0.0*Low Nutrients +Pads and Pipes 3 ‐57.4 ‐61.5 ‐30.2 ‐54.5 0.0*Wetland (2 ac.) ‐17.5 ‐19.6 ‐9.9 ‐26.9 0.0*Filter Strip (50 ft.) ‐32.0 ‐35.2 ‐8.8 ‐60.1 0.0*Riparian Forest (50 ft.) ‐40.5 ‐41.9 ‐11.5 ‐74.7 0.0*Grassed Waterway (50 ft.) ‐40.0 ‐38.5 ‐10.4 ‐67.3 0.0*Streambank Stabilization ‐7.0 ‐10.6 ‐0.3 ‐38.3 0.0Land leveling (0.1%) ‐25.9 ‐35.2 ‐1.3 ‐77.5 0.0* Loss of Yield results from reduction in cropland using this Conservation Practice
Total N (lbs/ac)
Total P (lbs/ac)
Flow (in.)
Sediment (t/ac)
Corn Yield (bu/ac)
Percent Change from Baseline
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A. Saleh
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Current Activities
• release of last version of NTT (nn.Tarleton.edu/nttg2) will be officially released on October 1, 2016
• Working with USDA‐NRCS and OCE office creating a version of NTT for nutrient assessment and trading tool
• Providing a version of NTT for CB (CBNTT) as a trading tool
8/4/2016 A. Saleh
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Science
A. Saleh
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APEX (0806)
• APEX 0806 (Dr. Jimmy Williams) with TIAER modifications
• APEX was developed by USDA scientists to predict the effects of different management scenarios on water quality, sediment yields, and pollutant loading from various landuses within fields and small watersheds
8/4/2016 A. Saleh
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WeatherHydrologyErosion (wind and water)Nutrients (N, P, and K)CO2PesticidesCrop growthTillageManagementRoutingReservoirsGroundwaterGrazingManure management
Components of Environmental models
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• No-till • Contour farming• Mulch-till • Critical area planting• Prescribed grazing • Pasture planting• Riparian forest buffer • Forestry• Grassed waterways • Filter strips• Terrace• Range planting• Field Border• Fence• Pipelines• Nutrient management• Brush management• Grade stabilization structure• Pest management• Conservation crop rotation
NRCS Conservation Practices (CPs) Evaluated in NTT
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Economic Model (FEM)
A whole-farm annual model that simulates the economic impacts of a wide range of scenarios on privately owned agricultural operations
Model is calibrated with extensive data on farm practices, budgets and other watershed information
Includes a number of simulation and optimization routines
Can be modified easily for other land uses (e.g., Forestry and Urban)
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Input and Output Databases
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Databases
• Weather files• 4‐KM2 resolution up to Dec‐2014 (PRZM data)
• Soil Data• USDA‐NRCS soil survey (SUURGO) databases hosted in NTT site (modified every six month) and debugged automatically before used in NTT
• Ability to modify or create the soil (up to 10 layers) • Slope calculation using the 10‐m DEM resolution
• Economic data and for simulation of FEM• Capability of users to input their own data basis
8/4/2016 A. Saleh
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Output
• Model outputs under Baseline and BMP’s regimes
• N, P, C, Co2, Pesticide, Herbicides, and Sediment at different forms and sources
• Crop yield
• Obtaining results at the edge of individual and combined field(s) (sub‐watershed) and farm (watershed)
• results of single or multiple scenarios (e.g., Nutrient management and filter strips)
• Graphics• PDF report
8/4/2016 A. Saleh
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CEEOT and NTT Intergraded Programs
SWAT (Watershed Model)
APEX (Field scale model)
FEM (Farm Economic Model)
CEEOT(Farm and Watershed Scales) NTT (Farm Scale)
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Interface
A. Saleh
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• Fast (fraction of a sec per year of simulation)• Easy steps to create and simulate program• Capability of users to input their own data basis• Ability to modify the parameters for calibration within the program
• Ability to download the project and associated APEX files
• English and Spanish Languages• Electronic help for NTT and associated programs (e.g., APEX) in English and Spanish languages
8/4/2016 A. Saleh
Accessibility
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Selection of Area of Interest (AOI)Interface
• State and County data basis• Google map rather Soil Survey Site• Faster surfing the map• Selection of multiple fields (sub‐watersheds) within a farm (watershed)
• Using Shape files to select the AOI• Using longitude and latitude or address to select the AOI
• Ability to obtain the land use data • View the picture of the AOI (if available by GOOGLE MAP)
8/4/2016 A. Saleh
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Project Properties
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Area of Interest (AOI) Selection
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Weather
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Fields and Soils
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Fields and Soils
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Management Field 2 corn‐soyb
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Management Field 2 C_W_S
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Management Field 2 C_S_NM
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Simulation
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Detailed Result Summary
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Graphs – Monthly – Annual
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Economic Results
A. Saleh
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APEX Interface
A. Saleh
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NTT: As new APEX interface
• Ability of creating APEX files for the area of interest using the mapping function
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NTT: As new APEX interface
• Ability of modify files (e.g., Parm) and calibrate APEX using NTT program
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Current NTT Enhancements
• Working with our colleagues at USDA to create a version of NTT for USDA
• Incorporation of Forestry management practices
• Completion of Economic data for all US for FEM simulation
• Assist international users to adopt NTT at their region
8/4/2016 A. Saleh
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CEEOT and NTT Intergraded Programs
SWAT (Watershed Model)
APEX (Field scale model)
FEM (Farm Economic Model)
CEEOT(Farm and Watershed Scales) NTT (Farm Scale)
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Question and Comments
Thanks