Sequential climatological water balance as a tool for agricultural planning

Authors

DOI:

https://doi.org/10.33448/rsd-v12i4.41001

Keywords:

Agriculture; Olericulture; Tomato.

Abstract

Tomato (Solanum lycopersicum) is an important vegetable produced in Brazil, with socioeconomic relevance especially for the State of Amazonas, where it represents a source of income for family farmers. The production of seedlings is an important step, but limited by the cost and quality of the substrates, and the use of agro-industrial residues can be a solution. Different mixtures of substrates with different watering shifts were evaluated to obtain better sources and combinations of substrates, including açaí seeds and/or açaí kernels, chicken manure and soil, with 1-day or 2-day watering shifts. The experimental design was completely randomized, with six treatments with four replications and four plants in each replication, totaling 32 pots. The parameters of dry and fresh matter production of the aerial part and root system, as well as the length of the aerial part and the roots of the plant were evaluated. The effect of the treatments was statistically evaluated by the Tukey test at 5% probability, and the water storage in the soil was evaluated by the Sequential Climatological Water Balance. The research concluded that adequate irrigation management is necessary in the months of August and September for the tomato crop. Plants with one watering shift had better results than those with two days. The treatment açaí seeds + chicken manure 1:1 with a 1-day watering shift was the most effective.

Author Biography

Eronildo Braga Bezerra, Universidade Federal do Amazonas

Eron Bezerra holds a PhD in Environmental Sciences and Sustainability in the Amazon from the Federal University of Amazonas (UFAM/UNB), with the thesis "The search for sustainable alternatives: the experience of the codfish factory in the Amazon". He is an Agronomist Engineer, Professor of Meteorology and Climatology at UFAM since 1988, working mainly in the themes of Climatology, Meteorology, Sustainable Energy, especially Photovoltaic Solar Energy (ESF), Amazonia and Sustainable Development. He served as State and Federal Deputy. He is the author of approximately 800 (eight hundred) scientific, journalistic and miscellaneous articles; gave something like 480 (four hundred and eighty) lectures and conferences nationally and internationally; and has participated in almost 600 (six hundred) events. He is a writer, columnist and lecturer, especially in the areas of his academic and political activities.

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Published

18/04/2023

How to Cite

LOPES, M. F. dos S. .; BEZERRA, E. B. . Sequential climatological water balance as a tool for agricultural planning. Research, Society and Development, [S. l.], v. 12, n. 4, p. e25512441001, 2023. DOI: 10.33448/rsd-v12i4.41001. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/41001. Acesso em: 23 apr. 2024.

Issue

Vol. 12 No. 4

Section

Agrarian and Biological Sciences

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Copyright (c) 2023 Marcos Felipe dos Santos Lopes; Eronildo Braga Bezerra

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