Anderson, A.C. (Alfred Conrad); Geib, W. J. (Warren Jacob); Hull, H. H. (Harold Haight); Whitson, Merritt / Soil Survey of Winnebago County, Wisconsin
Summary, pp. 33-34 ff.
SOIL SURVEY OF WINNEBAGO COUNTYP WISCONSIN tilizer. The regular practice of making an acre application of about 200 pounds of 20 per cent superphosphate, or an equivalent amount of other phosphates, on all land being sown to small grains and clover is necessary to replace the phosphorus sold in milk and the bone of animals. The phosphate should be spread broadcast either with a broadcast fertilizer distributor or, better with a fertilizer grain drill which applies the fertilizer, grain, and grass seed at one operation. The small amount of phosphorus used for the corn at the hill has been largely absorbed by the corn, and whatever may be left is in small spots or rows and consequently does the grain and hay little good. The benefit of the phosphate to the clover is even greater than to the grain, and this is especially true when alfalfa is grown instead of clover. When alfalfa is to be kept on the ground for two or more years, a much heavier application of phosphate should be made at the time it is sown with the nurse crop. In that case, from 400 to 500 pounds should be used, or, if desired, 300 pounds may be applied at seeding and 200 pounds used as a top-dressing on the alfalfa the third year, the application to be made after growth stops in the fall or before it starts in the spring. Most of the soils of this county contain a considerable amount of lime and not many fields require liming even to grow alfalfa, but it is desirable to test the soil for acidity before seeding alfalfa. Land that is moderately acid should have an acre application of 2 or 3 tons of ground limestone when it is being prepared for corn the year before it is to be seeded with alfalfa. Muck or peat soils are naturally high in nitrogen on account of their large content of organic matter and are usually fairly well supplied with phosphorus, but they are very deficient in potash. Therefore a fertilizer containing potash only will ordinarily produce as large yields on such soils as will manure or a complete fertilizer. For corn, 200 pounds of muriate of potash an acre is a good appli- cation. When applied with a corn planter having a fertilizer attach- ment, the fertilizer should be drilled along the row rather than dropped at the hill, as such a large amount applied at the hill is apt to injure the seed. Sandy soils are inextensive in Winnebago County. Their special needs are potash and organic matter, and when used for general or dairy farming their fertility can be improved by using a fertilizer relatively high in potash and by plowing under as much green manure as possible in addition to the use of stable manure. In growing truck or vegetable crops it is important to incorporate as much organic matter in the soil as possible through the use of stable manure and by plowing under green-manure crops. In addi- tion, the use of a complete commercial fertilizer in sufficiently large amounts produces the heavier yields necessary to realize a profit from these crops. SUMMARY Winnebago County, includes a land area of 444 square miles. It occupies a nearly level plain, but some areas are gently sloping, and there is very little rough land in the county. Lake Winnebago, which borders the county on the east, is the largest inland lake in Wisconsin. The county lies entirely within 33
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