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Thumbnail Icon [Science_Parameters: Science_Category='EARTH SCIENCE', Science_Topic='AGRICULTURE', Science_Term='SOILS', Science_Variable_Level_1='NITROGEN']

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17 Titles Match Your Query
Showing 1 through 17 of 17
1. Water Data Portal - Integrated Portal for IWMI Research Data [IWMI_WATERDATA]
WaterData is an integrated portal providing a one stop access to all data stored in IWMI?s archive. It also provides access to data in IDIS (http://dw.iwmi.org) and IWMIDSP (http://www.iwmidsp.org). ...

2. PRZM: A Model for Pesticide Transport [EPA_PRZM]
PRZM3 is the most recent version of a modeling system that links two subordinate models, PRZM and VADOFT, in order to predict pesticide transport and transformation down through the crop root and ...

3. APEX – Agricultural Policy/Environmental eXtender Model [TAMU_APEX]
APEX ? Agricultural Policy/Environmental eXtender Model has components for routing water, sediment, nutrients, and pesticides across complex landscapes and channel systems to the watershed outlet ...

4. CENTURY: MODELING ECOSYSTEM RESPONSES TO CLIMATE CHANGE, VERSION 4 (VEMAP 1995) [century_vemap]
The CENTURY model, Version 4, is a general model of plant-soil nutrient cycling that is being used to simulate carbon and nutrient dynamics for different types of ecosystems including grasslands, ...

5. Spatial Decision Support Knowledge Portal [INSTITUTE_REDLANDS_SDS]
The SDS Knowledge Portal is developed to help people involved in a spatial decision process (decision makers, practitioners, researchers) gain a holistic view of the spatial decision process and better ...

6. Nitrogen Decision Aid [USDA_ARS_NDA]
The Nitrogen Decision Aid is a computerized program that predicts the amount of N mineralized from planting to side-dress or 5-leaf growth-stage. By applying just enough N-fertilizer to reach the ...

7. Nitrogen Index Tool [USDA_ARS_NIT]
The effectiveness of nitrogen fertilizer in maximizing agricultural production and increasing economic returns for farmers has led to its widespread use. However, when this element is applied to a ...

8. Climate Discovery Teacher's Guide [ClimateDiscovery]
Climate Discovery Teacher's Guide This teacher's guide was produced by the National Center for Atmospheric Research as a companion to the Climate Discovery exhibit at our Boulder, Colorado laboratory. ...

9. GEON: The Geosciences Network [GEON]
The Geosciences Network (GEON) portal provides access to geoscience data and tools. The portal accommodates national and international research activities. Recognizing this potential, the U.S. Geological ...

10. NASA Land Information System (LIS) [NASA_LIS]
The Land Information System (LIS) is a flexible land surface modeling and data assimilation framework developed with the goal of integrating satellite- and ground-based observational data products ...

11. SOILS - Tools for Educators [USDA_NRCS_SOIL_TOOLS]
The SOILS - Tools for Educators provides background information on soils for students. The package includes soil facts, soil information for each state, lesson plans, soil songs, soil quality information ...

12. Soil Science Education [Soil_Science_Ed]
The Soil Science Education page is part of The GLOBE Program (Global Learning and Observations to Benefit the Environment), but even if you don't participate in GLOBE, you'll learn a lot about soil ...

13. Web Soil Survey [USDA_NRCS_WSS]
The Web Soil Survey (WSS) is an eGovernment application developed by the USDA-Natural Resources Conservation Service to provide producers, governmental agencies, consultants, and the general public ...

14. SMILEY (Satellite-image Miner and Interface Language for EOSDIS, Yet-another)Data Analysis Tool [SMILEY]
SMILEY (Satellite-image Miner and Interface Language for EOSDIS, Yet-another) is a data mining and viewing system developed in the NDSU DataSURG laboratory (Data System User and Research Group) under ...

15. CHAIN Model: Evaluates analytical solutions for convective-dispersive transport of solutes subject to consecutive decay chain reactions (up to 4 solutes) [USDA_ARS_CHAIN]
Problems of solute transport involving sequential first-order decay reactions frequently occur in soil systems. Examples are the migration of radionuclides, in which the chain members form a first-order ...

16. Soil Extent Mapping (SEM) Tool [USDA_SEM]
The Soil Extent Mapping (SEM) Tool displays interactive national maps of soil series, based on land area. The objective of this tool is to provide publicly accessible National maps of individual soil ...

17. BASINS: Better Assessment Science Integrating Point & Nonpoint Sources [BASINS-EPA]
BASINS: Better Assessment Science Integrating Point & Nonpoint Sources BASINS is a multipurpose environmental analysis system designed for use by regional, state, and local agencies in performing ...

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