AgSource Cooperative Services - Technical Bulletins

As a part of our dedication to providing you with access to technical expertise, AgSource Harris has developed a series of technical bulletins titled "AgriKnowledge". These bulletins pull together the combined knowledge of AgSource Harris' agronomists into an easy-to-use reference guide, which discuss the most important aspects of management.

AGRI-KNOWLEDGE
Understanding a Soil Analysis	The Nitrogen Cycle
Nitrogen Losses	Nitrogen Gains
Nitrogen Fertilizer Recommendations	The Phosphorus Cycle
Soil Phosphorus Reactions	Phosphorus Recommendations
Potassium Reserves	Factors Affecting Potassium Availability
Potassium Recommendations	Soil pH
Alkaline Soils	Managing Saline & Soil: Irrigation Water Quality
Reclamation of Saline & Sodic Soils	Managing Saline & Alkaline Soil: Soil Diagnosis
Zinc	Manganese
Iron	Sulfur
Boron	Soil Cation Exchange Capacity (CEC)
Base Saturation	Soil Compaction

For laboratory specific information regarding soil analysis, test packages/supplies, technical bulletins, sampling guides or feature reports please contact one of our laboratories nearest you listed below:
Laboratory Locations:
AgSource Belmond Labs, Belmond IA 641-444-3384 belmondlabs@agsource.com
AgSource Soil & Forage, Bonduel, WI 715-758-2178 aglab@agsource.com
AgSource Harris Laboratories, Lincoln, NE 402-476-0300 info@agsourceharris.com
Agri-Check, Umatilla, OR 541-922-4894 dosgood@agsource.com
CRI North West Labs, Jerome, ID 208-324-7511 jamdall@agsource.com