Article (Scientific journals)
Co-composted biochar to decrease fertilization rates in cotton–maize rotation in Burkina Faso
Cissé, Drissa; Cornelis, Jean-Thomas; Traoré, Mamadou et al.
2021In Agronomy Journal
Peer reviewed
 

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Keywords :
Amendment; soil fertility; west Africa; crops yields; nutrient recycling; lixisols
Abstract :
[en] Agriculture in Burkina Faso relies on mineral fertilizers to reach decent crop production. Therefore, there is an urgent need to implement sustainable solutions that improve soil nutrient status while maintaining crop yields. Here we experiment with the recycling of nutrients through the production of biochar from cotton (Gossypium hirsutum L.) stalks and its mixing with compost to improve soil properties of highly weathered Lixisol. The trials included three treatments: conventional compost (COMP-100), co-composted biochar (COMPBI-100), each with recommended fertilization rates [cotton = 16.3 kg N ha–1, 15.1 kg P ha–1 and 17.4 kg of K ha–1; maize (Zea mays L.) = 21.8 kg N ha–1, 20.1 kg P ha–1 and 23.2 kg K ha–1], and co-composted biochar with 75% of recommended NPK fertilizer rate (COMPBI-75). We amended the soil with compost at conventional rates used in Burkina Faso, that is, 2.5 t ha–1 at each crop year (2018 and 2019).Wemeasured the effect of the amendments on cotton and maize yield cropped in rotation using a randomized block design with four replicates for each of the studied treatments. Our results showed that the soil properties and crop yield in COMPBI-75 were not significantly lowered compared to COMPBI-100, which did not differ compared to soil and plant responses in COMP-100. Even not significant, COMPBI-100 and COMPBI-75 tend to have higher grain yields for cotton and maize. Our results highlight that co-composted biochar may be a promising amendment to increase crop productivity parameters in Burkina Faso while decreasing the NPK doses. The reduction of fertilizer rates can have essential implications considering the socio-economic and environmental advantages of reducing by quarter fertilizer doses in the Sudanese climatic region of Burkina Faso.
Research center :
TERRATeaching and Research Centre
Disciplines :
Agriculture & agronomy
Author, co-author :
Cissé, Drissa ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Cornelis, Jean-Thomas ;  Université de Liège - ULiège > Département GxABT > Echanges Eau - Sol - Plantes ; Université de Liège - ULiège > TERRA Research Centre > Echanges Eau - Sol - Plantes
Traoré, Mamadou;  Université Nazi BONI de Bobo-Dioulassso (Burkina Faso) > Institut du Développement Rural (IDR) > Laboratoire d'Etude et de Recherche sur la Fertilité du Sol (LERF)
Saba, Fatimata ;  Université de Liège - ULiège > TERRA Research Centre
Coulibaly, Kalifa;  Université Nazi BONI de Bobo-Dioulasso > Institut du Développement Rural (IDR) > Laboratoire d'Etude et de Recherche sur la Fertilité du Sol (LERF)
Lefevbre, David;  TERRA Teaching and Research Centre, Gembloux Agro-Bio Tech, Univ. of Liege, Gembloux, Belgium
Colinet, Gilles  ;  Université de Liège - ULiège > TERRA Research Centre > Echanges Eau - Sol - Plantes ; Université de Liège - ULiège > Département GxABT > Echanges Eau - Sol - Plantes
Nacro, Hassan Bismarck;  Université Nazi BONI de Bobo-Dioulasso (UNB) > Institut du Développement Rural (IDR) > Laboratoire d'Etude et de Recherche sur la Fertilité du Sol (LERF)
Language :
English
Title :
Co-composted biochar to decrease fertilization rates in cotton–maize rotation in Burkina Faso
Publication date :
27 August 2021
Journal title :
Agronomy Journal
ISSN :
0002-1962
eISSN :
1435-0645
Publisher :
American Society of Agronomy, United States
Peer reviewed :
Peer reviewed
Name of the research project :
ARES-BIOPROTECHSOL
Funders :
Académie de Recherche et d'Enseignement Supérieur (Belgique). Coopération au Développement - ARES. CCD
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