Show COST OF SPRAYING PER TREE difference in profit on sprayed and unsprayed Une prayed trees given out by nebraska station in an orchard sprayed by the nebraska experiment station the total cos ot of spraying per treo tree was tour four cents the net income ncr iser tree from rom the sprayed trees was from 31 cents leaving an income of front from the sprayed thau from unsprayed trees or a not net income above tile the cost of spraying of more an on the sprayed than on the unsprayed sprayed nn trees in other cases the difference between tie the profit on sprayed and unsprayed trees has been very much greater than tills this the difference of course will depend on tuo the prevalence alenco of disease and insects |