Cornell History: Roots February 22, 2002 For the first time, biologists can estimate how many roots a plant has underground just by looking at its stems and leaves, regardless of species or habitat, thanks to research by Cornell professors and their colleagues. Their article in Science showed for the first time that the mass of a plant’s leaves and stems – from weeds in the desert to tropical trees – is proportionally scaled to that of its roots in a mathematically predictable way.来源(Source From):
http://news.cornell.edu/cornell-history/popup/2830?colorbox=no&width=500