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acid American Pomological Society amount annual apple growers applied berries bud sports bushels calcium arsenate cent codling moth cold storage color commercial Committee Connecticut cost cover crops cryolite Delicious Department of Agriculture early effective Elberta England Experiment Station farm fertilizer FIFTY-FIRST CONVENTION flavor flesh fruit growers gallons going Golden Delicious growing H. L. Lantz hardy Horticultural Horticultural Society Illinois important inches increase industry injury insecticides interest Iowa irrigation Jonathan lead arsenate lime lime sulfur materials Mclntosh medium meeting MEMBER Michigan moisture nicotine nitrogen Nursery orchard organization originated peaches pears period pipe plant possible pounds practical present President Pickett problem production pruning pump railroads ripening scab season Secretary seed seedling soil South Dakota spray residue Stayman sulfur temperature tests thing tion trees varieties vigorous Virginia vitamin washing Winesap York