Show fruit orchard demands ample nitrogen supply speaking recently before the quebec horticultural society in montreal prof J H gourley Oo urley chief horticulturist of the ohio experiment station called attention to tiro the striking de mand that orchards make for nitrogen particularly sod or mulched orchards in discussing practical fertilizer practices based on ohio condit conditions lon s professor gourley said bald our practice Is to apply approximately a quarter of a pound of nitrate of soda for each year of a trees age so that a four year old tree receives one pound and a twenty year old tree five lve pounds this Is broadcast or sown aown beneath the outer branches ile he called attention to orchard experiments peri ments in which complete fertilizers tili are used in comparison with nitrogen only the evidente evidence eviden je in bayor of the former he said Is so meager and unconvincing in most cases as to have led horticulturists generally to confine their recommendations to nitrogen beneath the trees and to phosphorus between the tree rows for the benefit of the grass or cover cr crop 0 P As regards quality professor gourley mentioned experiments in progress which show that fruit from trees highly fertilized with nitrate of soda tins has kept as well as that from trees receiving normal treatment |