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Research Article Open access CC BY 4.0

Evaluation of Mbeya Based Organic Fertilizer on Maize Yield and Yield Components in Malawi

Samuel Mwafulirwa

Asian Plant Research Journal · pp. 34–49 · Published 13 Apr 2023

10.9734/aprj/2023/v11i2208

Abstract

The recent boom in organic business in the name of Mbeya manure fertilizer has taken shape in commercialisation without government approval as several implications were at stake. Laboratory and field experiments were, therefore, conducted to ascertain the quality of the products with and without modifications. The original products, as proclaimed by suppliers, were evaluated against the control treatment of inorganic fertilizer and the modified products by the inclusion of specific microorganisms in solubilisation of fixed nutrients and oxidation of ammonia and nitrite. Field layout followed a Completely Randomized Block Design with three replications and 5 treatments viz Modified Funani Mbeya fertilizer, Modified Kambeu Mbeya fertilizer, Original Funani Mbeya fertilizer, Original Kambeu Mbeya fertilizer and the recommended inorganic fertilizer for Maize. Besides assessing the grain yield, biomass and nutrient bioavailability, the effect of the organic fertiliser on biostimulation was also studied in the rhizospheric soil. Results showed that there were no significant differences in grain yield and its components between Mbeya based organic fertilisers and inorganic fertilisers. However, maize yield and some parameters (environmental and nutrient content) were higher in modified organic fertiliser.

Mbeya organic fertilizers local innovations and maize

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Cited by 2

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