The agronomic and economic performance of banana, bean and tree intercropping in the highlands of Burundi: an interim assessment

acrocarpus albizia bois burundi calliandra calothyrsus cedrela cedrela odorata cultivo intercalado culture intercalaire grevillea robusta intercropping leucaena madera musa (bananas) musa (bananes) musa (bananos) papilionoideae phaseolus production data rendement rendimiento wood yields