#3 - Sampling Waters for Pesticide Analysis
#5 - Sampling Procedure for Drinking Water Compliance Samples
#7 - Calcitic or Dolomitic limestone?
#8 - Fruit Tree Fertilization General Guidelines
#9 - Testing for Herbicides in Soils
#10 - Interpretive Guide for Lawn and Garden Samples
#11 - Interpreting Drinking Water Analysis
#12 - Interpreting Water Analysis for Livestock Consumption
#13 - Sampling Soils for Pesticide Residues @ Agrichemical Facilities
#14 - General Fertilizer Recommendations for Lawns and Small Gardens
#16 - Lawns, Landscapes and Garden, Adjusting Fertilizer Product Recommendations
#17 - Required Containers, Preservation Techniques, and Holding Times for Aqueous samples
#18 - In-Season Soil Nitrate Testing for Corn
#19 - End of Season Cornstalk Test
#20 - Interpreting Irrigation Water Analysis
#21 - Interpretive Guide for Soil Test Reports
#22 - Illinois Amino Sugar Nitrogen Soil Test
#23 - Explanation of a Soil Analysis Report
#24 - Evaluation of Potting Media Analysis
#25 - Metal Concentrations In Natural Soils
#26 - Interpreting Water Analysis for Indicator Bacteria
#27 - Testing for Herbicides in Plants
#28 - Reducing Soil pH: Field Crops
#29 - Reducing Soil pH: Lawns, Landscape & Gardens
#30 - Making Lime Recommendations
#31 - Manure Analysis and Interpretations
