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1. Sulphur deficiency - a limiting factor in rice production in the Lower Amazon Basin :   Publication: New York : IRI Research Institute, 1976 . 46 p. : Date:1976 Availability: Copies available: Turkeyen Campus Science & Technology [S 597 R5 W35] (2), Actions: Add to cart No cover image available No cover image available
2. Effects of rice husks biochar as an amendment on a marginal soil in Guyana /   Publication: Guyana: University of Guyana, 2015 . x, 117 p. : Date:2015 Availability: Copies available: Turkeyen Campus Caribbean Research Library [S589.8 P47] (1), Turkeyen Campus Processing Center [S589.8 P47] (1), Actions: Add to cart No cover image available No cover image available