. Late cabbage, from seed until harvest, also seed raising . xpense. The extra plowing per acre once in six years costsabout $, the grass-seed per acre (4 quarts of timothy and8 quarts of clover) is valued at , making a total of $ two complete rotations, or $ for each rotation. We have a clover sod every third year valued at $30per acre. In a four-year rotation we have a timothy sodevery fourth year, valued at one-half as much as the cloversod or $15 per acre. You can readily see that the value ofthe timothy sod for one year is $ and for three years it is$ Now tak
. Late cabbage, from seed until harvest, also seed raising . xpense. The extra plowing per acre once in six years costsabout $, the grass-seed per acre (4 quarts of timothy and8 quarts of clover) is valued at , making a total of $ two complete rotations, or $ for each rotation. We have a clover sod every third year valued at $30per acre. In a four-year rotation we have a timothy sodevery fourth year, valued at one-half as much as the cloversod or $15 per acre. You can readily see that the value ofthe timothy sod for one year is $ and for three years it is$ Now take the value of the clover sod for thethree-year rotation, which is $30, and subtract the extracost of plowing and grass seed, caused by using a three-year rotation, which is $, and you have the net value ofthe clover sod or $ Subtract from this the value ofthe timothy for three years, which was $, and as a resultyou have a net gain in favor of the three-year rotation of$; in other words if you will follow a three-year rota- LATE CABBAGE. CROP ROTATION 5 tion you can add plant food to your soil per acre to the valueof $| cents annually. Note.—Plowing figured at $3 per acre, manure at $2per ton, clover seed at $12 per bushel, and timothy at $4per bushel. I always think it pays to put timothy withclover when seeding, because there are some spots in almostevery farm where one does not get a desired stand of cloverevery year. The timothy will come on and make a stand ofgrass and also furnish roots to be plowed under. The crops on a four-year rotation will be about as follows:First year, grain or canning-factory peas; second year,clover hay; third year, timothy hay; fourth year, somecultivated crop—cabbage, corn, potatoes or beans. Youmight have a five-year rotation, having three years of hay,I think about the only case that this would be practicalwould be when alfalfa came in as the three years of hay. It seldom happens that a man will use over one-half o
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