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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
  • 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).
  • Figure 2. Photograph and photomicrograph of granite showing (A) outcrop, (B) hand specimen, (C D E and H) have large and small crystals of biotite (Bt) and muscovite (Ms) under analyzed light
  • Figure 3. Photographs (A and B) and photomicrographs (C, D, E and F) of basalt. Ol: olivine; Pl: plagioclase
  • Figure 4. Germination rate of the Beetroot for the different treatments(n=5)
  • Figure 5. Mean weekly variation of plant height (A) and number of leaves (B) for different treatments (n=5)
  • Figure 6. Mean weekly variation of leaf length (A) and leaf width (B) for the different treatments
  • Figure 7. Percentage distribution of bulb weight (A) and total Biomass weight (B) of beetroots for the different treatments