Accumulation of dry mass and macronutrients by the Caeté tomato cultivar under field conditions
Author:
Diógenes Talita Barbosa AbreuORCID, De Oliveira Fábio Henrique Tavares, De Queiroga Fabio MartinsORCID, Moura Anderson Cley CostaORCID, De Carvalho Simplicio LyraORCID, Tavares Hernane Arllen MedeirosORCID
Abstract
New cultivation techniques associated to the use of genetic materials of highly productive potential have provided the need for studies related to the accumulation of dry mass and nutrients by tomato plants. The objective of this study was to evaluate the accumulation of dry mass and macronutrients by the ‘Caeté’ tomato at Chapada do Apodi-CE. The accumulation of dry mass and nutrients was quantified by sampling the plants at 14, 28, 42, 56, 70, 84 and 99 days after transplantation (DAT). The total accumulation of macronutrients in the plant followed the dry mass accumulation, with higher demands in the fruiting phase. The accumulation of macronutrients at 99 DAT followed by the following decreasing order: K> N> Ca> S> Mg> P. Nitrogen, phosphorus and potassium were accumulated in larger quantities in the fruits, while the other macronutrients in the vegetative part.
Publisher
Universidad Nacional de Colombia
Subject
General Engineering
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