Nutrient Content in Rice Husk Ash of Some Malaysian Rice Varieties
A. B., Hashim , Hussin, Aminuddin and K. B., Siva (1996) Nutrient Content in Rice Husk Ash of Some Malaysian Rice Varieties. Pertanika Journal of Tropical Agricultural Science, 19 (1). pp. 77-80. ISSN 0126-6128
Analysis performed on more than 60 samples of 10 different paddy varieties showed 21.33% of the rough rice comprised rice husk, while 13% of the husk constituted rice husk ash. The nutrient content of rice husk ash was 80.26% silica, 0.38% phosphorus, 1.28% potassium, 0.21% magnesium and 0.56% calcium. Statistically, nutrient composition is significantly influenced by varietal differences. As a potential material for fertilizer use, the estimates of total nutrient supplementation available from rice husk ash per annum are discussed.
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