G.S. Long Co. is an agricultural chemical and fertilizer retailer located in Yakima, Washington that has been family owned and operated since 1980.

The company's sales territory has grown from its initial start in the Yakima Valley, to now include the other major tree and vine growing districts of Washington and Oregon.

The company's 17 orchard and vine consultants have over 200 years of combined field experience and they are considered to be the best in the industry.

These consultants work directly with their growers and assist them in developing and monitoring fertility and pest management programs.

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