Fertilizer based on elemental sulfur
First Claim
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1. A fertilizer based on elemental sulfur, comprising elemental sulfur, at least one binder suitable to break down in the soil, and at least one glassy-matrix preparation that contains at least one trace element.
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Abstract
The fertilizer based on elemental sulfur comprises elemental sulfur, at least one binder suitable to break down in the soil and selected from the group consisting of clays, bentonite, kaolins or the like or mixtures thereof, and at least one glassy-matrix preparation that contains at least one trace element selected from the group consisting of Fe, B, Zn, Cu, Co, Mn, Mo.
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Citations
18 Claims
- 1. A fertilizer based on elemental sulfur, comprising elemental sulfur, at least one binder suitable to break down in the soil, and at least one glassy-matrix preparation that contains at least one trace element.
- 12. A method for obtaining a fertilizer based on elemental sulfur, comprising the steps of mixing elemental sulfur, at least one binder suitable to break down in the soil and selected from the group consisting of clays, bentonite, kaolins or the like or mixtures thereof, and at least one glassy-matrix preparation that comprises at least one trace element selected from the group consisting of Fe, B, Zn, Cu, Co, Mn, Mo, a thermal treatment of the resulting mixture until the sulfur melts, dripping and cooling of the resulting fluid into particles.
- 16. A method for obtaining a fertilizer based on elemental sulfur, comprising extrusion of a wet mixture that comprises elemental sulfur, at least one binder that is suitable to break down in the soil and selected from the group consisting of clays, bentonite, kaolins or the like or mixtures thereof, at least one glassy-matrix preparation comprising at least one trace element selected from the group consisting of Fe, B, Zn, Cu, Co, Mn, Mo, and at least one fluid vehicle, in order to obtain particles, and drying said particles.
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17. A method for obtaining a fertilizer based on elemental sulfur, comprising granulation of a moist mixture that comprises elemental sulfur, at least one binder that is suitable to break down in the soil and is selected from the group consisting of clays, bentonite, kaolins or the like or mixtures thereof, at least one glassy-matrix preparation which comprises at least one trace element selected from the group consisting of Fe, B, Zn, Cu, Co, Mn, Mo, and at least one fluid vehicle in order to obtain particles, and drying said particles.
Specification