Ellert, B. and J.R. Bettany (1995), Calculation of organic matter and nutrients stored in soils under contrasting management regimes, Canadian Journal of Soil Science, 75: 529-538.
Ellert, B. et J.R. Bettany (1995), Calculation of organic matter and nutrients stored in soils under contrasting management regimes, Canadian Journal of Soil Science, 75: 529-538.