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Wheat and Barley Response to Pre-plant Phoshorus at Safford Agricultural Center, 2000

Bread wheat and barley were seeded in low phosphorus soils which had had varying rates of ammonium phosphate-sulfate (16-20-0) applied. Statistical increases in yield were seen in the wheat study. The increased bottom line with the lowest rate of phosphorus declined as rates of phosphorus increased. Low crop values and high fertilizer costs made high application rates uneconomical. Barley yields were not statistically increased with the addition of phosphorus and the economics of applying phosphorus for this crop were negative. A two year summary is included in this report.

Identiferoai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/204096
Date10 1900
CreatorsClark, Lee J., Carpenter, E. W.
ContributorsOttman, Michael
PublisherCollege of Agriculture, University of Arizona (Tucson, AZ)
Source SetsUniversity of Arizona
Languageen_US
Detected LanguageEnglish
Typetext, Article
RelationSeries P-124, AZ1185

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