Biochar can help mitigating loss of nitrogen in fertlizers

http://news.cornell.edu/stories/2019/03/biochar-soaks-ammonia-pollution-study-shows?fbclid=IwAR2wAJq43cktvImLKtEEpELSI-p9jLTvJwyupvuTsEeIshKL5d7ijHsbj94#.XIPxJsLDTDw.facebook