© 1977 AGRO-K CORPORATION The SYMBEX system can help hold down your costs •U.S. Patent Pending UNIVERSITY AND GOVERNMENT LABORATORY TESTS PROVE THA SYMBEX™ WORKS f — —’ - —“-1 For more information or brochure Write Zook & Ranch, Inc., Gap, Pa. 17527 Ph. 717-442-4171 J Name I Addrei I City State i I AftßO-K CORPORATION ■ 6800 Shingle Creek Parkway ■ Mpls., Minn. 55430 ■ Phone 612-560-4280 ’hone Zip was developed high-technology crop production for ft Wijj Please mail coupon for Free 16-page SYMBEX brochure. SYMBEX™ WILLCHANGE THE WAY YOUFARM NOTICE: The SYMBEX label should be consulted lor full details concerning application, use and warrmatles. Lancaster Farming, Saturday, April 1,1978-13 SYMBEX m m W II