Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1996-05-03
1998-11-03
Langel, Wayne
Chemistry: fertilizers
Processes and products
Organic material-containing
71 27, 71 32, 71 41, 71 641, C05B 1500
Patent
active
058302557
ABSTRACT:
Concentrated phosphorus fertilizers are disclosed that comprise a buffered composition of an organic acid and salts thereof and a phosphorous-containing acid and salts thereof. The concentrated phosphorus fertilizers can be diluted with water of pH ranging from about 6.5 to about 8.5 at ratios of concentrate to water at about 1:40 to about 1:600 to result in a fertilizer having a pH in the range acceptable for foliar uptake of phosphorus.
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Lovatt, C.J., "A Definitive Test to Determine Whether Phosphite Fertilization can Replace Phosphate Fertilization to Supply P in the Metabolism of 'Hass/ on Duke 7. A preliminary report," Proc. Of Second World Avocado Congress, p. 224 (1992).
Unknown, "Foliar Applications do Double Duty," Citrograph, 75(7):161 (1990).
MacIntire et al., "Fertilizer Evaluation of Certain Phosphorus, Phosphorous, and Phosphoric Materials by Means of Pot Cultures," Agronomy Journal, 42(11):543 (1950).
Grossl et al., "Precipitation of Dicalcium Phosphate Dihydrate in the Presence of Organic Acids," Soil Science Society of America Journal, 55(3):670 (1991).
Product Information Brochure for "Supa Stand Phos: Supa Protective Pop-Up Starter," Published by Agrichem Manufacturing Ind.: Australia, 2 pages (Aug. 1990).
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Product Information Brochure for "Supa Stand Phos: Supa Protective Pop-Up Starter," Published by Agrichem Manufacturing Ind.: Australia, 2 pages.
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Brunelle Jan P.
Dreger Walter H.
Langel Wayne
The Regents of the University of California
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