Citation
Guertal B., . and Chien S. H., . and Gearhart M. M., . A review on the oxidation of granular fertilisers containing elemental sulphur with or without ammonium sulphate in soils. pp. 1-11. ISSN 1394-7990
Abstract
Sulphur (S) is an essential plant nutrient. S deficiency slows down the formation of all amino acids which are required for optimal plant growth and final maximum crop yield. Recent research has shown that many agricultural soils worldwide are increasingly suffering (S) nutrient deficiency for crop production. Various types of granular fertilisers containing elemental sulphur (ES) with or without ammonium sulphate (AS) have been commercialised. Since plants cannot absorb ES directly ES oxidation to SO4 -S by soil microbes must occur to enable ES to provide plants available S. In this paper the results of several literature reports from laboratory soil incubation studies with granular (ESAS) products were extracted and reviewed critically. Granulation of micronised ES particles result in a locality effect on dispersion of ES particles after granule disintegration limiting contact between ES surface and ES oxidising microbes in the soil. It is concluded that ES oxidation of these granular S fertilisers often is too slow or inadequate to provide initial available SO4 -S. Therefore granular ES products are generally inferior to SO4 -S fertilisers for agronomic effectiveness.
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Abstract
Sulphur (S) is an essential plant nutrient. S deficiency slows down the formation of all amino acids which are required for optimal plant growth and final maximum crop yield. Recent research has shown that many agricultural soils worldwide are increasingly suffering (S) nutrient deficiency for crop production. Various types of granular fertilisers containing elemental sulphur (ES) with or without ammonium sulphate (AS) have been commercialised. Since plants cannot absorb ES directly ES oxidation to SO4 -S by soil microbes must occur to enable ES to provide plants available S. In this paper the results of several literature reports from laboratory soil incubation studies with granular (ESAS) products were extracted and reviewed critically. Granulation of micronised ES particles result in a locality effect on dispersion of ES particles after granule disintegration limiting contact between ES surface and ES oxidising microbes in the soil. It is concluded that ES oxidation of these granular S fertilisers often is too slow or inadequate to provide initial available SO4 -S. Therefore granular ES products are generally inferior to SO4 -S fertilisers for agronomic effectiveness.
Additional Metadata
| Item Type: | Article |
|---|---|
| AGROVOC Term: | Fertilizers |
| AGROVOC Term: | Granules |
| AGROVOC Term: | Sulphur |
| AGROVOC Term: | Oxidation |
| AGROVOC Term: | Ammonium sulphate |
| AGROVOC Term: | Amino acids |
| AGROVOC Term: | Nutrients |
| AGROVOC Term: | Sulfur fertilizers |
| AGROVOC Term: | Crop production |
| AGROVOC Term: | Agronomy |
| Depositing User: | Mr. AFANDI ABDUL MALEK |
| Last Modified: | 24 Apr 2025 00:53 |
| URI: | http://webagris.upm.edu.my/id/eprint/7749 |
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