Roosevelt Standard | 1925-02-04 | Page 2 | Applying Fertilizer to Increase Orchard Yield

applying fertilizer to increase orchard yield farmers and in the united states are beginning to realize the necessity of restoring plant foods to the soil by applying concentrated fertilizers nitrogen Is one of the foods that every plant needs and one that Is soon exhausted from tile the soil necessitating fertilizers such as ammonium sulphate sodium nitrate and chile saltpeter sodium nitrate la is in such a form that it can readily be assimilated simi by the tree roots while ammonium sulphate Is slightly less 01 ol ble when using these fertilizers in orchards the best results will be obtained if 1 they are applied to the sol soil in the spring just when the seasons growth begins the amount of fertilizer applied to the soil under each tree varies of course with tile alie condition of the soil eoll and with the kind age and size of the trees in recent experiments with apple trees on OIL poor soil it was found necessary to apply one quarter pound of fertilizer for each newly planted tree and about fifteen pounds for each mature tree that had beep been unproductive