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Maturity indices of composting plant materials with Trichoderma asperellum as activator

Authors
  • Komolafe, Adenike Fisayo1
  • Adejuyigbe, Christopher Olu2
  • Soretire, Adeniyi Adebowale2
  • Aiyelaagbe, Isaac OreOluwa Olatokunbo2
  • 1 Federal College of Agriculture, Nigeria , (Nigeria)
  • 2 Federal University of Agriculture, Nigeria , (Nigeria)
Type
Published Article
Journal
Agricultura Tropica et Subtropica
Publisher
Sciendo
Publication Date
Mar 01, 2020
Volume
53
Issue
1
Pages
19–27
Identifiers
DOI: 10.2478/ats-2020-0003
Source
De Gruyter
Keywords
License
Green

Abstract

Compost maturity is a major factor in its use for nutrient supply without adverse effect on crop germination. Composting may be accelerated with inclusion of some microorganisms as activators. This study was conducted to determine the effect of Trichoderma asperellum and length of composting of different plant materials and cattle manure on compost maturity in Ibadan, Nigeria. Composting of two plant materials with cow dung at ratio 3:1 was done in triplicate with or without Trichoderma activation to obtain twelve heaps of four different types of composts; Panicum-based compost with Trichoderma, Tridax-based compost with Trichoderma, Panicum-based compost without Trichoderma and Tridax-based compost without Trichoderma. The process was a 2×2 factorial experiment, laid out a completely randomized design. The Trichoderma activated compost (TAC) at four weeks of composting (4WC) had 56% total N, 21% organic matter, 38% total K, 51% total P and 66.6% microbial biomass N increase over non-activated compost (NAC). Carbon to nitrogen ratio was within the ideal range (10–20) in TAC while it was greater than it in NAC. Microbial biomass and lignin contents had a 56% and 41% increase, respectively, in NAC over TAC. Trichorderma-activated compost has a potential to hasten maturation and makes the compost ready for field on or before four weeks without posing a threat to crop germination.

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