[1]
Ramos, D.D. et al. 2013. Stocks of carbon, total nitrogen and humic substances in soil under different cropping systems. Semina: Ciências Agrárias. 34, 5 (out. 2013), 2219–2228. DOI:https://doi.org/10.5433/1679-0359.2013v34n5p2219.