Fertilization of irrigated pasture and forage crops in California /

on irrigated pastures in California is influenced by the state's varied climatic conditions and soil types.Nitrogen, phosphorus, and sulfur are the principal nutrients involved.Over the past 10 years, numerous field tests with fertilizers have been conducted on cattle ranches throughout California.Results of the tests have been released in the various areas either as progress reports or as county publications.This bulletin brings together and summarizes the more im- portant findings for the three major forage areas: northeastern California; the coastal and north central valleys; and the San Joaquin Valley.