Contact Us

G.S. Long Company

​Online Order: order@gslong.com
Tel:  1-800-338-5664

Tel: 509-575-8382
Address​​​​​​: 2517 Old Town Road

Union Gap, WA 98903

Hours

 

FALL/WINTER

MONDAY - FRIDAY

8:00 A.M. - 5:00 P.M.

 

SATURDAYS - Closed

CONTINUING EDUCATION

G.S. Long Grower's Meetings  2014 Downloadable Sessions

Yakima Nutrition Seminar January 8th, 2014

Honey Crisp Nutrition Programs

 

Dan Griffith - G.S. Long Co.

 

Fertilizer Efficiency With Drip Irrigation

 

Tony Roth - G.S. Long Co.

 

Wine Grape Fertility

 

Brian Morasch - G.S. Long Co.

 

Organic Fertilizer Programs

 

Tom Pitts - G.S. Long Co. Wenatchee

 

Soil Sampling Techniques and Strategies

 

Dennis Smith - G.S. Long Co.

 

Fertilizer Equipment Update

 

Keith Beaman - G.S. Long Co.