Organic soils (Histosols) in the EAA near Lake Okeechobee tend to have relatively higher mineral content and soluble Si because of historic lake overflows.
Sugarcane is grown on approximately 410,000 acres in the Everglades Agricultural Area (EAA) of Florida, and 78% of this acreage is on organic soils (Rice, Baucum, and Davidson 2015). Sugarcane responses to silicon fertilization have been reported in many areas of the world, particularly on weathered tropical and subtropical soils such as Oxisols, Ultisols, Entisols, and Histosols (Korndorfer and Lepsch 2001). Mechanisms responsible for increased yield may include resistance to lodging through increased mechanical strength of cell walls, resistance to disease and insect damage, reduced water loss through evapotranspiration, improved phosphorus (P) metabolism, and reduced accumulation of toxic concentrations of heavy metals (Datnoff et al. Ca silicate application can benefit both crops in a rice-sugarcane rotation when it is applied prior to planting rice (Anderson et al. (1992) measured average increases of 20% in sugarcane yield for two crop years and five cultivars following Ca silicate application at 3 tons/acre. Yields of both crops are increased when calcium (Ca) silicate slag is applied to soils low in soluble Si (Anderson et al.
Silicon (Si) is not classified as an essential plant nutrient, but it is considered a beneficial nutrient for sugarcane ( Saccharum spp.) and rice ( Oryza sativa L.) (Ma et al.
Supercal calcium silicate fertilizer plus#
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