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Liquid foliar applications of urea-N fertilizer were compared with dry and foliar applications of ammonium nitrate-N fertilizer for 3 years, 1969-71. The fertilizers were applied in December, May, June, and July each year on separate plots. Treatments were repeated each year on the same plots. The source of N was far more important than method of application. Whether applied in dry form or as foliar application, the ammonium nitrate-N was superior to urea-N for increasing herbage yields, crude-protein content, and protein yields when applied in December, June, or July. When applied in May, both sources of N were equally effective, regardless of method of application. Ammonium nitrate-N in water solution may be applied as late in the growing season as early July with favorable results. The ammonium nitrate-N applied in July increased nitrate-N in herbage in the third year, although not to toxic levels. This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries. The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from OJS platform August 2020