Effects of Compost on the Productivity of Three Leguminous (Soya Bean, under Two Agroecological Zones of CamerCowpea and Common Bean) Cameroon

The effect of compost on the productivity of three seeds vegetables (soya bean, cowpea and common bean), is studied in a field under Bertoua and Ngaoundere Cameroon in 2015 and 2016. In order to promote the plants in Cameroon while preserved food safety, the experimental set-up used is a full randomized block with 6 treatments ; 4 control (soya bean, cow- bean and common bean) 4 dosed with organic manure (fertilizer- soya bean, fertilizer-cowpea and fertilizer-common bean) repeated three times in each study zone.