OCR Text |
Show I Phosphorus $1 Fcr an Ounce rT,..K demon of phosphorus can 00 secured In no other way than to biy It. In its cheapest form It costs 3 to 4 cents a pound. Thero arc seventeen pounds In 100 bushels of corn. If llfty-bushel crops are ralsid about 30 cents per acre annually would re-v store the phosphorus. This Is merely the cost of maJntenanco and the fertility woull not Increase. As this element usually PmltJ tho crop, more should bo applied than Is token off. It Is considered that 1.000 pounds of raw phosphate applied per acre onco In four years is a reasonable expenditure, builds up tho soil rapidly and profitably. This Will supply phosphorus about twlcO as fast ns It will bo removed In largo crops. The cost is $1 per acre per year. |