Characterization of Compost Made from Chicken Droppings and Fish Bones, and Its Application to Tomato Cultivation

The effect of compost made from chicken droppings and fish bones on soil quality tomato production was evaluated. Bokito (Central Region-Cameroon) amended with four variants C1, C2, C3 C4 at 5%, 10%, 15% compost/soil (w/w). experimental device completely randomized en bloc 5 repetitions for each treatment. physicochemical, biological biochemical parameters soils, as well were evaluated.
 highest concentrations nitrogen, phosphorus potassium obtained (1.96g/Kg) C2 (0.42 g/Kg; 0.08 g/Kg) respectively. different had a C/N ratio between 21.88 (C1) 30.27 (C2) their pH basic. They rich in exchangeable ions (Mg2+, Ca2+, K+, Na+) poor heavy metals (Pb, Zn, Cu). A significant increase the noted all soils compared to unamended soil. It varied 12.50±0.10 (unamended soil) 30.55±2.04 (C1 10%). Exchangeable ion higher soils. bacterial biomass 347 x 105UFC/g (C4) 609 x105UFC/g values significantly than that (100 x105UFC/g). fungal 470 781 (120 component presented cellulase protease activities 3 9 times C1 (15%) generally more productive respective 85 69 fruits, chemical fertilizer having given 24 fruits.
 These results show could contribute development green manure enrich soil, thus improving production.