AgSource Harris Laboratory is the turf industry's premier testing laboratory.

We are ready to assist you with your turf management program and provide the full-spectrum of laboratory services:

• Soil analysis
• Turf analysis 
• Plant-tissue analysis
• Irrigation-water analysis
• Greenhouse growth media
• Compost and manure testing

AgSource Harris Laboratory has been conducting testing services since 1958, serving all 50 states and 38 foreign countries. Attention to quality results and quick turnaround are the reasons that AgSource Harris Laboratory became the first accredited soil testing laboratory and the first to introduce electronic data transfer over 17 years ago.

For laboratory specific information regarding turf analysis, laboratory accuracy, test packages/supplies, technical bulletins, sampling guides or feature reports please contact: