Coffee-banana systems in transition: Resource allocation and crop interactions in smallholder farms of Burundi
(2021) Journal of Agricultural and Crop Research — Vol. 9, n° 11, p. 250-263 (2021)
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- Authors
Delvaux, Bruno 
- Abstract
- This study aimed to analyse interactions between coffee and banana plants in adjunct banana and coffee plots. A diagnostic survey was conducted in 60 farms with adjunct banana and coffee plots selected in a humid plateau ecological zone. Banana plots were divided into two sub-plots, a sub-plot near coffee (NC) and a sub-plot far from coffee (FC). Coffee plots were divided into two sub-plots, sub-plot near banana (NB) and sub-plot far from banana (FB). Results showed that banana yield was higher in sub-plots NC (28.6 Mg ha-1 cycle-1) than subplots FC (10.4 Mg ha-1 cycle-1). The coffee yield was not significantly different among sub-plots. The weight of 100 cherries was significantly higher NB. Soils under coffee were significantly richer near banana and banana nutrient leaf content higher NC. Limiting factors in banana sub-plots FC were, in descending order, K > Mg > Corg > P > pH. In banana sub-plots NC, limiting factors were K / (Ca + Mg) > pH > Zn > P and N. In coffee sub-plots NB, limiting factors were Corg > Mulch > Zn > P > K. In sub-plots FB, limiting factors were Zn > N > P > Mulch. The presence of bananas did not affect coffee growth and coffee yield NB while increasing soil characteristics NB. The presence of coffee has significantly increased the yield and growth of banana NC.
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Citations
Nibasumba, A., Jassogne, L., VanAsten, P., Nduwayo, G., Nkurunziza, C., Bielders, C., & Delvaux, B. (2021). Coffee-banana systems in transition: Resource allocation and crop interactions in smallholder farms of Burundi. Journal of Agricultural and Crop Research, 9(11), 250-263. https://doi.org/10.33495/jacr_v9i11.21.167 (Original work published 2021)