Table of Contents


A General Guide to Soil Sampling
Alfalfa and Potassium
Area Calculations for Fertilizer and Lime
Artificial Soil Media


Boron (BO3-3 )


Calcium (Ca++)
Calcium to Magnesium Ratio
Calculating Salt Index
Cation Exchange Capacity (CEC)
Chlorine in Pool Water and Nearby Plants
Chloride (Cl-)
Common Conditions That Promote Certain Weeds
Common Liming Terms
Continuous Corn: Can it Yield?
Copper and Manganese Soil Test Results
Copper Sulfate Hoof Baths and Copper Toxicity in Soil
Copper (Cu++)


End Of Season Cornstalk Nitrate Test
Effect of Soil Probe Lubricants On Analytical Results
Excess Nitrates in Drought Stressed Corn


Factors Affecting Specific Gravity of Potatoes
Fertilizer and Lime Applications
Fertilizing Landscape Plants


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
Guidelines for Rates and Placement of Row Fertilizer


How to Read the Spectrum Analytic Soil Test Report


Interpretation of Water Analysis for Livestock Suitability
Interpreting Lawn and Garden Soil Test Results
Iron (Fe++)
Is Magnesium a Hidden Problem in Your Area?


Lead (Pb) Levels in Soil


Manure and Soil Organic Matter
Metal Concentrations in Natural Soils
Magnesium (Mg++)
Manganese (Mn++)
Molybdenum (MoO4-)


Nitrogen (N)
Nitrogen Losses and Saturated Soils, Tools in Making Sidedress Nitrogen Application Decisions for Corn
Nitrogen Stratification in Liquid Manure Storage
The Nutrient Uptake Process


Phosphorus (P)
Penn State Fertility Recommendations on Spectrum Analytic Soil Test Results
Phosphites and Phosphates
Plant Nutrients in Municipal Leaves
Potassium (K)
A Summary of University Presidedress Nitrogen Test (PSNT) for Corn
Presidedress Soil Nitrogen Test


Revisiting Corn Row Width and Population


Sulfur (S)
Soil Aluminum and Soil Test Interpretation
Soil pH and Buffer pH
Soil pH Management
Building Up and Drawing Down Soil P and K Levels
Soybean Cyst Nematodes
Soybean Growth - Nutrient Management
Spectrum Analytic Reporting Conversions
State Ag Limestone Classification Based on Standards of Fineness


The Relationship Between Nutrients and Other Elements to Plant Diseases


Water Solubility of Micronutrients Important and Often Overlooked
Weather Effects on Corn Silage
What Do Ag Professionals Charge for Their Services?
Wheat Growth Stages, Their Significance to Yield and Plant Sampling
Why Labs Have Different Soil Test Results and Recommendations


Zinc (Zn++)