Raw rice husks are a commonly used material for mixing planting media. Usually used for a mixture of planting media materials for flowers, fruit plants, and vegetable crops. Of course, raw rice husks are good to use. Raw rice husks also contain several important elements including water content of 9.02%, crude protein 3.03%, fat 1.18%, crude fiber 35.68%, ash 17.17%, basic carbohydrates 33.71%.
Rice husk ash (RHA) is a waste material from rice that has special properties, namely containing chemical compounds that can be pozolan, namely containing silica (SiO2), a compound that when mixed with cement and water can be used to increase the compressive strength and tensile strength of concrete.
Rice bran is a by-product of the rice milling process, it can be used as a constituent ingredient for poultry rations because it has a fairly high content of feed substances. Fine bran in general has a NUTRITIONAL content of 86.5% dry matter, 8.7% ash, 10.8% crude protein, 11.5% crude fiber, 5.1% fat, 50.4% no nitrogen extract (BETN), 0.2% calcium and 2.5% phosphorus.
Husk charcoal or burnt husk can be used as a planting medium, both pure planting media, hydroponic planting media, and soil-based planting media mixtures. The content contained in husk charcoal is very beneficial for plant growth, including SiO2 (52%), C (31%), Fe2O3, K2O, MgO, CaO, MnO, and Cu although in small quantities.
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