id author title date pages extension mime words sentences flesch summary cache txt 4525 Hopkins, Cyril G. (Cyril George) The Farm That Won't Wear Out .txt text/plain 14249 522 61 The plant food required for one acre of wheat yielding 50 bushels, soil--either directly or in farm fertilizer--then the loss per acre years increased the yield of corn by 10.7 bushels where no organic truth is that by soil enrichment alone the average crop yields of a 100-bushel crop of corn removes 150 pounds of nitrogen from the (6) Average farm manure contains 16 pounds of nitrogen per ton. If the grain farmer grows 40 bushels of wheat to the acre, clover pounds of nitrogen an acre would leave the farm if the total grain and then the crop residues or farm manure is returned to the soil to value of the farm land in the United States increased by 118 per cent soil enrichment will increase the crop yield by two bushels of corn acre; while a six-year average yield of 90 bushels has been produced ./cache/4525.txt ./txt/4525.txt