Spectrum Analytic Inc
1087 Jamison Rd NW
Washington Court House, OH 43160
(800) 321-1562
1087 Jamison Rd NW
Washington Court House, OH 43160
(800) 321-1562
A Guide to Fertilizing Alfalfa 
A Guide to Fertilizing Apple Trees
A Guide to Fertilizing Blueberries
A Guide to Fertilizing Christmas Trees
A Guide to Fertilizing Grapes
A Guide to Fertilizing Raspberries and other Brambles
A Guide to Interpreting Irrigation Water Analysis
Alfalfa and Potassium
Artificial Soil Media Guidelines
A Guide to Soil Sampling
Area Calculations
Calcium Basics
Calcium to Magnesium Ratio
Chlorine in Pool Water and Nearby Plants
Chloride Basics
Common Conditions That Promote Certain Weeds
Common Liming Terms
Continuous Corn: Can it Yield
Copper Sulfate Hoof Baths and Copper Toxicity in Soil
Copper and Manganese Soil Test Results
Copper Basics
Calculating Salt Index
End of Season Cornstalk N Test
Excess Nitrates in Drought Stressed Corn
Factors Affecting Specific Gravity of Potatoes
Fertilizer and Lime Applications
Fertilizing Landscape Plants
Gypsum
Guidelines for Rates and Placement of Row Fertilizer for Corn Production
How to Read the Spectrum Analytic Soil Test Report
Iron Basics
Interpretation of Water Analysis for Livestock Suitability
Interpreting Lawn and Garden Soil Test Results
Is Magnesium a Hidden Problem in Your Area
Manure and Soil Organic Matter
Magnesium Basics
Manganese Basics
Molybdenum Basics
Nitrogen(N) Basics
Nitrogen Stratification in Liquid Manure Storage
Nutrient Uptake Process
Phosphorus (P) Basics
Phosphites and Phosphates
Plant Nutrients in Municipal Leaves
Potassium Basics
Presidedress Nitrate Nitrogen Test for Corn University Summary
Presidedress Soil Nitrogen Test for Field Corn, Sweet Corn, Bell Peppers, Tomatoes, Pumpkins and Squash, and Onions.
Revisiting Corn Row Width and Population
Sulfur Basics
Soil Aluminum and Test Interpretation
Soil pH Management
Soil test P and K Buildup and Drawdown
Soybean Cyst Nematode Information
Soybean Growth - Nutrient Management
State Lime Specifications
Soil pH and Buffer pH
The Relationship Between Nutrients and Other Elements to Plant Diseases
Understanding CEC, Buffer soil pH, Percent Saturation
Water Solubility of Micronutrient Fertilizers Important and Often Overlooked
Weather Effects on Corn Silage
What Do Ag Professionals Charge for Their Services
Wheat Stages of Growth, Their Significance to Yield and Plant Sampling
Why Labs Have Different Soil Test Results