Nutrient content in rice husk ash of some malaysian rice varieties
A. B., Hashim and 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
Official URL: http://www.pertanika.upm.edu.my/Pertanika%20PAPERS...
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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