Fertilizer

Details Fertilizer Fertilizer

1977-04-14

1980-05-13

Scovronek, Joseph

Chemistry: fertilizers

Processes and products

Inorganic material

71 34, 71 46, 71 50, 71 51, 71 53, C05B 700, C05B 1300, C05B 1106, C05B 1700

Patent

active

042026830

ABSTRACT:
Langbeinite (2MgSO.sub.4,K.sub.2 SO.sub.4) is reacted with diammonium phosphate (NH.sub.4).sub.2 HPO.sub.4 to yield a dry farm field fertilizer of grade 21-12-7+1.22 Mg.
The chemical process is also adjusted for a dry farm field "double cropping" fertilizer.
The cost of the basic liquid fertilizer containing Magnesium has been likewise reduced.
These fertilizers contain magnesium in the presence of phosphorus.
The micronutrients, Zn, Cu, Fe, Mn and B may be added in rates proportional to the deficiency shown by soil tests.

REFERENCES:
patent: 2950183 (1960-08-01), Nikitin
patent: 3130038 (1964-04-01), Thomas
patent: 3174844 (1965-03-01), Bridger
patent: 4013443 (1977-03-01), Schuman

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