Rice straw is the leftover part of a rice plant after the grain has been harvested. It is the dried stalks of rice that can be used for various purposes like animal bedding, compost, or even as a building material in some countries. Full definition
The Chinese first used toilet paper made of rice straw more than 1,400 years ago. (discovermagazine.com)
Methane has a high global warming potential and is easily generated, even from rice straw left in rice paddies. (japanfs.org)
For this study, the researchers grew rice plants in the soil amended with residues and rather than using rice straw — which they found from the previous study has negative impacts on the environment — and they focused on the rice husk, which is silica rich, has less arsenic in the tissues and promotes less arsenic release from not only the tissues but also from the soil compared to the straw. (sciencedaily.com)