Biosolid as an Alternative Source of Nutrients in Chrysanthemum Cultivation

Author:

Pereira Frederico Luiz1,Oliveira Ursuléia Aparecida1,Andrade Márcio Donizetti2,Figueiredo Felipe Campos3,Santos Breno Régis1,Carvalho Marília1,Barbosa Sandro1

Affiliation:

1. Universidade Federal de Alfenas, Instituto de Ciências da Natureza

2. Cooperativa Regional de Cafeicultores em Guaxupé

3. Instituto Federal de Educação, Ciência e Tecnologia do Sul de Minas Gerais – Campus Muzambinho

Abstract

Abstract The objective was to evaluate the biosolids as an alternative source of nutrients in the production of chrysanthemums by adding increasing doses to the cultivation substrate. The experimental design was in blocks with 6 treatments and 5 replications. The treatments consisted of the mixture (commercial substrate + biosolid) at the concentrations: 20%, 40%, 60% and 80% of biosolid + two controls (100% of biosolid and 100% of substrate). The experiment was conducted in a greenhouse for 90 days. Physiological parameters, number of flower buds, dry biomass and nutrient accumulation were evaluated. Physiological parameters were evaluated using the Infrared Gas Analyzer. The number of flower buds was evaluated by counting. Biomass was determined after drying the structures and then calculated the accumulation of nutrients. A total of 90 plants were evaluated. Concentrations of up to 40% of biosolid promoted a greater number of flower buds, dry biomass and nutrient accumulation. Concentrations above 60% lower number of buds, biomass increment and nutrient accumulation. It is concluded that the biosolid has potential as an alternative source of nutrients in the cultivation of chrysanthemums, indicating concentrations of up to 40% and the nutrient content of each batch generated must be verified.

Publisher

Research Square Platform LLC

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