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GLOSSARY OF TERMS

 
ac.in. Acre-inches
AW Available Water
BMP's Best Management Practices
cb centibar
CEC Cation Exchange Capacity
cfs Cubic feet per second
DM Dry matter
EC Electrical Conductivity
ECe Electrical Conductivity of soil saturation extract
ECiw Electrical Conductivity of the irrigation water
ECss Electrical Conductivity of the soil solution
ESP Exchangeable Sodium Percentage
FC Field Capacity
gal./min Gallons per Minute
meq/100 g Milliequivalents per 100 grams of soil
mg/l Milligrams per liter
mmho/cm Millimho/centimeter
mph Miles per Hour
N/P/K Nitrogen/Phosphorus/Potassium
NH3 Ammonia
OM Organic Matter
pH Measurement of soil activity (i.e., acidity, neutral, alkalinity)
ppm Parts per Million
SAR Sodium Adsorption Ratio
SARadj Sodium Adsorption Ratio adjusted
TDS Total Dissolved Solids
TS Total Solids
TKN Total Kjeldahl Nitrogen

 

Note: Technical Questions may possibly be quickly answered by contacting USDA, Natural Resources Conservation Service Soil Conservationists:

Holistic Irrigation Technology (HIT) Rudy Garcia, Soil Conservationist (Water Quality),  rgarcia@nm.nrcs.usda.gov or call: (505) 522-8775, ext. 116

Remote Sensing & GIS Technology Dave Christenson, Soil Conservationist (Remote Sensing), dchriste@nm.nrcs.usda.gov or call: (505) 522-8775, ext. 115

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Copyright © 1999 Regional Precision Farming Pilot Project
Last modified: August 04, 2000