Nitrogen fertilizer: California deciduous fruit orchards respond in variety of ways due to individual conditions
California Agriculture 4(3):14-14.
Published March 01, 1950
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Nitrogen is the only fertilizer applied to a substantial acreage of deciduous fruit orchards in California. Usually the first limiting nutrient in the production of those orchards is nitrogen. Only a part of the total deciduous acreage has reached a level where response to nitrogen fertilizer is obtained.