Cernansky, R. (2015). Agriculture: State-of-the-art soil
Cernansky, R. (2015). Agriculture: State-of-the-art soil. Nature, 517(7534), 258–260. doi:10.1038/517258a[nbsp]
News article on biochar. „A charcoal-rich product called biochar could boost agricultural yields and control pollution. Scientists are putting the trendy substance to the test.“