Show COST OF SPRAYING PER TREE difference ence in profit on sprayed and Urn Wi prayed trees given out by nebraska St station tn in in orchard sprayed by tho the nebraska braska experiment station the total COH corl of spraying per tree was twenty tou four cents the net income per tree from the sprayed trees frees was from Jn sprayed trees 81 cents leaving an income of from the sprayed than from unsprayed trees or a net income above the tha cost of spraying of moro more on the sprayed than on the unsprayed trees in other cases the difference between the profit on sprayed and unsprayed trees has been very much greater than this the df difference of course will depend on the prevalence ot disease and insects |