Plowing yearly, one dollar and fifty cents per acre.
Harrowing, fifty cents per acre.
Leveling land for irrigation, according to the quality of the land. Leveling the land in from one-half to three-quarter acre checks, including small ditches, etc., can be done for from ten to fifteen dollars per acre, if the land is fair. Rougher land will cost twenty-five dollars or thereabouts, and if the land is rolling and contains hardpan the expense may reach from fifty to one hundred dollars per acre. The more “naturally” level the land is the better suited it is to raisin-vines under irrigation.
Irrigation and cultivation, until the vines come into bearing, including suckering and pruning, all in large tracts of from forty to one hundred acres, ten dollars per acre. If in smaller tracts the expense will be larger.
Pruning when the vines are in bearing, from two to three dollars per acre.
Sulphuring twice, two dollars per acre. Sulphur costs from two to three cents per pound. It takes about one ton to twenty-five acres and one man can sulphur from five to six acres a day.
Topping, about fifty cents per acre.
Trays, twenty-four by thirty-six inches, cost ten cents in shooks, nailing one cent, nails one cent, total about twelve cents per tray.
Sweatboxes, fifty cents apiece when ready.
Packing-boxes: Wholes of twenty pounds, in shooks, six cents, nailing and nails two cents, total eight cents each. Halves of ten pounds, in shooks, four cents, nailing and nails one and one-half cents, total five and one-half cents. Quarter boxes of five pounds, in shooks, three and one-half cents, nailing and nails one and one-half cents, total five cents each.