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Alternate wetting and drying (AWD) is a water management technique, practiced to cultivate irrigated lowland rice with much less water than the usual system of maintaining continuous standing water in the crop field. It is a method of controlled and intermittent irrigation.
SRI requires 25-50% less water than conventional rice farming methods, due to alternate wetting and drying (AWD) of the fields rather than flooding. This can lead to significant water savings in areas facing water scarcity or where water-intensive rice farming is a strain on resources. [26]
Biomass briquettes, mostly made of green waste and other organic materials, are commonly used for electricity generation, heat, and cooking fuel. These compressed compounds contain various organic materials, including rice husk, bagasse, ground nut shells, municipal solid waste, agricultural waste. The composition of the briquettes varies by ...
Rice husk ash has long been used in ceramic glazes in rice growing regions in the Far East, e.g. China and Japan. [2] Being about 95% silica, it is an easy way of introducing the necessary silica into the glaze, and the small particle size helps with an early melt of the glaze.
Burning of rice residues in southeast Punjab, India, prior to wheat season. Agricultural waste consists mainly of cellulose, hemicellulose and lignin. [7] Agricultural waste is poorly digestible and in unprocessed form not widely suitable as animal feed. [8] Sometimes, agricultural waste is burnt, either as biomass in power plants or simply on ...
Biodrying is the process by which biodegradable waste is rapidly heated through initial stages of composting to remove moisture from a waste stream and hence reduce its overall weight. [1] In biodrying processes, the drying rates are augmented by biological heat in addition to forced aeration.
Crop residues are waste materials generated by agriculture. The two types are: Field residues are materials left in an agricultural field or orchard after the crop has been harvested. These residues include stalks and stubble (stems), leaves and seed pods. Good management of field residues can increase efficiency of irrigation and control of ...
The term “upland rice” refers to rice cultivated in non-flooded conditions, and it can encompass various specific definitions. While most of the world's rice is grown in paddy fields or wet environments that require significant amount of water, rice itself does not inherently need flooding to thrive.