... It frequently occurs that the market is "glutted" with berries for a brief time in the height of the season. If the crop matures in the main at such a time, the one chance of the year passes, leaving but a small margin of profit; whereas, if the grower had prolonged his season, by a careful selection of soils as well as of varieties, he might sell a large portion of his fruit when it ... — Success With Small Fruits • E. P. Roe