| Show do apple tree trees exhaust the soil apple tree trees are not a as bird bard on soils As many bay bays tip posed 1 if v we will keep the eoll roll in proper physical phy ilc con ditlow A bull tin issued by cornell university shows thai that in a ingle gingle year a crop of apples will remove for the trull fruit from a single acre 13 pounds of nitrogen alt I 1 pound of 0 PhO phosphoric acid ald and 19 pounds of potash the leaves oa on til abo tree trees which produce this crop of fruit will require 19 pounds a 0 nl ni trogen 53 pounds of phosphoric aad and IS i 4 pound pounds of potash the tree growth will require 9 4 pounds pound IS of at nitrogen 36 pound of phosphoric add acid and 3 8 3 pounds of pot fotaih aill this took looks to be a severe train strain on the eoll soil yet I 1 believe that aa ot things considered apple apples are about half halt aj as hard on soil aa cora assuming that all of each crop li Is permanently perma antly removed from the soll eollo prof clothier |
