Evaluación de las aplicaciones foliares de humus líquido en el cultivo del tomate (Lycopersicon esculentum Mill) var. Amalia en condiciones de producción
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Abstract
from the end of October to March, the effect of applying liquid
humus (HL) was evaluated on the biological, productive yields
and fruit quality of tomato Amalia variety. With this aim, two
experiments were carried out, totally randomized under a small
farmer�??s production conditions from Havana province,
consisting of an Eutric compacted Red Ferralitic soil, where
studies of some of its physico-chemical properties were made,
that offered the information of being a soil with adequate
properties for a good crop development. The biological
indicators evaluated are stem length and diameter, number of
leaves and inflorescences, productive indicators (number and
fruit weight per plant), indicators of external fruit quality (polar
and equatorial diameters) and internal quality (acidity, SST,
oBrix, vitamin C, dry weight), agricultural yield (t.ha-1) and the
economic analysis per each treatment. For 2004-2005 season,
the infestation index as well as the social impact were evaluated
based on fruit quality. Results show the sensitivity of this
tomato variety before the biostimulating action of liquid humus,
applied to leaves in two doses at intervals of 15 days and
concentrations of 1 mL HL/30 mL and 1 mL HL/40 mL water,
seven days after transplanting (ddt), increasing the biological,
productive yields, quality and social impact, with productive
stage reduction, under a small farmer�??s production conditions,
they being economically feasible, mainly HL at 1/30
concentration.
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