Land use and soil organic matter in South Africa 2: A review on the influence of arable crop production

Chris C. Du Preez, Cornie W. Van Huyssteen, Pearson N.S. Mnkeni
2011 South African Journal of Science  
doi:10.4102/sajs.v107i5/6.358 fatcat:id2hmrvbebg65d3viygzqen5jm