. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. 212 NITROGEN, PHOSPHORUS AND POTASSIUM When much fertilizer is appHed, fertiHzer distributors are used. AIL good makes of grain drills have fertilizer attachments for distributing fertilizer broadcast at the time of sowing. When fertilizers are intended to promote rapid growth or to give the young plants a quick start, they are applied in the hill or drill. This is usually done through the use of fertilizer attach- ments on the planters (Fig. 143). Usually 100 to 200 pounds are applied to
. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. 212 NITROGEN, PHOSPHORUS AND POTASSIUM When much fertilizer is appHed, fertiHzer distributors are used. AIL good makes of grain drills have fertilizer attachments for distributing fertilizer broadcast at the time of sowing. When fertilizers are intended to promote rapid growth or to give the young plants a quick start, they are applied in the hill or drill. This is usually done through the use of fertilizer attach- ments on the planters (Fig. 143). Usually 100 to 200 pounds are applied to the acre in this manner. In case of cotton, 400 and 500. Fig. 143.—A fertilizer attachment on the corn planter. Note the fertilizer spreader (S). pounds are common applications. In Maine as much as 2000 pounds per acre is sometimes applied in the row at the time of planting potatoes. When fertilizers are applied in the hill or drillrow, special care should be taken that the fertiHzer is not dropped on the seed. All good fertiHzer attachments can be regulated so that soil will fall in between the fertilizer and the seed, or the fertilizer distrib- uted along the sides of the row and not on the seed (Fig. 143). When fertilizer is applied in the bottom of a furrow it should be mixed thoroughly with the soil before the seeds are planted. The higher the grade of fertilizer the greater must be the pre- caution in applying it in the hill, drillrow or Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Weir, Wilbert Walter, 1882-. Philadelphia London, J. B. Lippincott company
Size: 1906px × 1311px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectsoils, bookyear1920
