Agronomic Performances of Compost Associated with Pollinating Insects on the Growth and Yield of <i>Glycine max</i> (L.) Merril under Field Conditions

Combined effects of Chalicodoma rufipes (Hymenoptera: Megachilidae) activity and compost on pollination and production of Phaseolus vulgaris pink variety (Fabaceae) at Dang (Ngaoundéré, Cameroon)

“…Similar findings were obtained from fields trials on Glycine max in 2018 and 2019 at Dang [12]. Compost was reported to improve plant growth and the diffusion of nutrients to plants through microbiological processes [28].…”

“…The positive and significant contribution of compost in pods and seed production of P. vulgaris could be justified by its richness in nutrients such as phosphorus, nitrogen and potassium [12]. In fact, nitrogen is considered as the most important macro-element, responsible for longitudinal growth of branches and fruit production [33].…”

“…It is expected that organic soil amendments could be cheaper and more beneficial for maximizing crop yield in the context of the high cost of mineral fertilizers [11]. Studies on the synergistic effects of compost and pollinating insects on growth and crops production at Dang has been highlighted by Mohamadou et al [12], Djakbé et al [13], respectively on Glycine max and Physalis minima. No previous research has been reported on the relationships between P. vulgaris pink variety, C. rufipes and compost, although the activity and diversity of flowering insects of a plant species may vary with varieties [4].…”