Performance of Vanda lettuce in relation to the use of chemical fertilizer and organic compost

Raimundo Nonato dos Santos Veras, Diego Souza Lima, Jailson Alves Carvalho, Alisson de Souza Reis, Marcio Rogério da Silva

Article ID: 1822
Vol 5, Issue 2, 2022

VIEWS - 4675 (Abstract)

Abstract


Horticulture is a widespread activity in family farming in the Transamazonian region—Pará, with emphasis on production aimed at the family’s own consumption. The lettuce cultivar Vanda (Lactuca sativa L.) represents a significant part of this production, which prioritizes the use of internal labor. The main objective of this work was to evaluate the development of lettuce CV Vanda grown in beds using organic compost and chemical fertilization (NPK). The criteria considered to evaluate this performance were: Root system development, plant height and total fresh mass production. The best averages in relation to root development occurred in the plots cultivated with organic compost in the proportion of 5 kg/m2, due to its characteristics as a fertilizer and soil conditioner. The cultivation with the use of NPK provided the best averages in relation to the production of total fresh mass and plant height, results that were mainly attributed to the extra supply of nitrogen in the covering fertilization, which consisted in the addition of 10 g urea per square meter via soil. Statistical analysis showed no statistically significant difference regarding plant height for both treatments. And in relation to root development, the difference was statistically significant.


Keywords


Family Farming; Lactuca sativa L.; Composting; NPK

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References


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DOI: https://doi.org/10.24294/th.v5i2.1822

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