Growing Apples for Profit from Yakima Valley Orchard
E L Stewart recounts planting a six acre Prosser orchard in 1895 and building a profitable irrigation based operation. He details alfalfa mulch, vase pruning, labor intensive hand picking, strict packing, and two grade systems for Spitz bananas noting 14 323 boxes sold for 14 777 40 with net returns of 12 092 80. He argues dust spray beat liquid spray for codlin moth control, claiming 90 plus percent wormless fruit with six to seven dust sprayings in 1906 and outline of costs and savings.