Figure 1. Location map of study area: (A) Administrative location of the North West Region in Cameroon, (B) Mezam Division in the North West Region showing Nkwen (studied site).

From

Change in Soil Fertility and Beetroot Productivity after Single and Mixed Application of Basalt Dust, Poultry Manure and NPK 20-10-10 in Nkwen (Cameroon Volcanic Line)

Pierre Wotchoko, Primus Azinwi Tamfuh, David Guimolaire Nkouathio, Djibril Gus Kouankap Nono, Christabel Simoben Bongkem, Marie LouiseVohnyui Chenyi, Dieudonné Bitom

World Journal of Agricultural Research. 2019, 7(4), 137-148 doi:10.12691/wjar-7-4-4