Tag Archives: soil

Arsenic, cadmium, mercury, and lead are four ubiquitous trace elements known to have a harmful effect on human health. These elements are naturally present...

In the middle of the 19th century, rice was the economic backbone of Japanese society. Hierarchical ranks of feudal lords were determined by the amount...

Farmers in China applying fertilizer on an aerobic rice field. (Photo: IRRI) As fertilizer prices increase, research and extension often send farmers...

Dr. Haefele holds a pile of biochar—essentially charcoal—that has been produced from rice husks. (Photo by Jose Raymond Panaligan, IRRI) . In the 1870s,...