Fertilizer compositions for administering ionic metal microeleme

Details Fertilizer compositions for administering ionic metal microeleme Fertilizer compositions for administering ionic metal microeleme

1993-02-09

1994-12-13

Lander, Ferris

Chemistry: fertilizers

Processes and products

Organic material-containing

71 1, 71 27, 71 63, 71 641, 71 6411, 71DIG2, C05G 300

Patent

active

053726260

ABSTRACT:
Metal ions selected from the group consisting of Fe.sup.+3, Mn.sup.+2, Cu.sup.+2 and Zn.sup.+2 are administered to plant roots in a composition comprising citric acid, whereas the molar ratio of citric acid to metal ions in this composition is about 0.8 to 2.5.

REFERENCES:
patent: 2813014 (1957-11-01), Allison et al.
patent: 3869272 (1975-03-01), Windgasen
patent: 4265653 (1981-05-01), Hoyt et al.
patent: 4581057 (1986-04-01), Nooden
Gary R. Cline, P. E. Powell, P. J. Szaniszlo and C. P. P. Reid, "Comparison of the Abilities of Hydroxamic, Synthetic, and Other Natural Organic Acids to Chleate Iron and Other Ions in Nutrient Solution", Soil Sci. Soc. Am. J., vol. 46, (1982), p. 1158.
Almassy et al, "Trace-Element Fertilizer", 6001 Chemical Abstracts, 113 (1990) Jul. 2, No. 1.
Yona Chen and Phillip Barak, "Iron Nutrition of Plants in Calcareous Soils", Advances in Agronomy, vol. 35, (1982), pp. 217-240.
Phillip Barak and Yona Chen, "Determination of FeEDDHA in Soils and Fertilizers by Anion Exchange Chromatography", Soil Sci. Soc. Am. J., vol. 51, (1987), pp. 893-896.
Colin F. Bell, "Principles and Applications of Metal Chelation", Clarendon Press-Oxford, (1977), pp. 88-91 and 132-133.

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