|
| Rootman, G and Stevens, J. B Enhancing farmers' organizational and experimentation capacities for soil fertility management in smallholder cropping systems in Vhembe District of Limpopo Province in South Africa. S Afr. Jnl. Agric. Ext., 2016, vol.44, no.1, p.120-130. ISSN 0301-603X
|
|