Affiliation:
1. 1Centre National de la Recherche Scientifique et Technologique/Institut de l’Environnement et de Recherches Agricoles (CNRST/INERA), 01 BP 476 Ouagadougou 01 Burkina Faso.
2. 2Institut Polytechnique Privé Shalom (IPS) de Ouagadougou, 11 BP 1435 CMS Ouagadougou 11 – Burkina Faso.
3. 3Université Saint - Thomas - d'Aquin (USTA), Faculté des Sciences et Technologies, 06 BP 10212 Ouagadougou 06, Burkina Faso.
Abstract
In Burkina Faso, vegetable production is a very important asset for its socio-economic development. However, this production faces many constraints that negatively affect its potential. The use of organic fertilization appears to be an alternative to address these constraints and could also promote sustainable agricultural production. In such a context, this study was conducted on tomato using two bio-fertilizers based on local substrates (Bokashi compost and compost enriched with Trichoderma harzianum). The objective was to assess the efficiency of the two bio-fertilizers by determining their effects on tomato yield and soil physico-chemical properties. It was conducted from 2018 to 2020 in Soala using a randomized Fischer block design with six treatments in three replications. The treatments were T0 (control), T1 (NPK+urea), T2 (Bokashi compost), T3 (compost enriched with Trichoderma harzianum), T4 (T1+T2) and T5 (T1+T3). The results showed that the bio-fertilizers alone contributed to maintain the neutrality of soil pH and very significantly improved its C, N, P and K content. Moreover, in combination with or not with NPK+urea, they influenced significantly plant growth, yield components and yield of tomato compared to T0 plot. In these years of trials, compost enriched with Trichoderma harzianum in combination with or not with NPK+urea, was found to be the most improving tomato yield and the increase was more than 300%. This compost could be therefore recommended to farmers in agriculture in general and particularly for vegetable production.
Publisher
Enviro Research Publishers
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