Valley Ag Supply is a family owned Agronomy center that provides information, plant food, crop protection products, and custom application. Tara and Greg Pirak started Valley Ag Supply in 2000, while they were both attending the University Of South Dakota. Through attention to customer service and a great crew of employees, it has grown. Madsen Spraying, which have a similar customer service attitude, partnered with Valley Ag Supply in the fall of 2006. 
We have 2 CCA advisors on staff. We do Field Scouting, Soil Sampling, and give Crop Planning Advice.

Sampling includes: Zone Sampling, Grid Sampling,Tissue Sampling, and Veris Cart Sampling

Variable Rate Fertilizer Application

Variable Rate Ag Lime and Gypsum Application

All Madsen Spraying and Valley Ag Supply Sprayers Run by Acuboom & GPS


We Have Many Vehicles On-Hand

4 Dry Air Floaters (3 twin Bin Variable Rate, 1 Single Bin)

2 Variable Rate Self Propelled High Wheel Spinners

3 Late Model Sprayers 120' Booms

16 Fertilizer Carts

Side Dress Fertilizer Carts
-4 Standard 30" rows
-2 Hi Wheeled

2 Liquid Tool Bars
-1 16 Row
-1 12 Row

9  3000 gal Liguid Tender Trucks: 96 Ton Capacity

9  16-24 Ton Dry Tender Trucks

2 10 Ton Dry Tender Trucks


Upcoming Events

​Customer Appreciation Christmas Party
December 19th
12:00 PM
Gayville Community Center

Need information on chemical labels and Material Data Safety Sheets? 

www.cdms.net
Contacts
Valley Ag Supply
509 Washington St. 
PO Box 221 
Gayville, South Dakota   57031
Free phone:  1 866 890 3497
Telephone:  1 605 267 3100
Fax:  1 605 267 3098
E-mail: tara@valleyagsupply.com
cathy@valleyagsupply.com
Interested in Joining Our Team?
Apply Now!
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2017 Moisture Totals


March:  .74 in.
April:     1.45 in 
May:     4.14 in
June:    2.15 in  
July:     1.43 in
August  4.08 in     
September .42 in 
October:  5.61 in

Total to Date:  20.02 in