Washington navel orange juice: Quality and mineral composition affected by chemical fertilizers, manure and covercrops
California Agriculture 4(6):6-15.
Published June 01, 1950
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The composition of Washington Navel orange juice is influenced by fertilizers, as shown in field experiments with Navels on sweet orange rootstock. Effects of nitrogen, phosphorus and potassium fertilizers—as well as manure and winter covercrops—were studied.