refers to several plants of the similar genera elettaria and amomum in the ginger family zingiberaceae. both genera are native to india, nepal and bhutan; they are recognised by their small seed pods, triangular in cross-section and spindle-shaped, with a thin, papery, outer shell and small black seeds...
ground re-activator authors' description: ground re-activator: low-tech fight against landslides. the challenge: landslides are one of the most widespread hazards on earth. the land area at risk of landslides is million km and the population exposed is around million people. landslides contribute to...