The effect of fertilization on the quantity and quality yield of some Romanian tomato cultivars grown in the greenhouse
DOI:
https://doi.org/10.51258/RJH.2022.12Keywords:
Solanum lycopersicum L.; mineral elements, foliar fertilization, production, indicators of fruit qualityAbstract
The present paper studied the influence of mineral or organic fertilizers, applied together or separately, to soil or foliar administered in three applications between 51-89 BBCH, on the processes of flowering, growth, and fruiting of three cultivars of tomato grown in protected space at the National Institute of Research Development for Biotechnologies in Horticulture Stefanesti. The 2-year experiment was planned in a completely randomized block, with three replicates and four fertilization treatments (mineral soil fertilization, combined fertilization – soil and foliar Ca, combined soil fertilization and organic Biohumus applied foliar; v4- foliar fertilization). Significant, correlations were found in growth and fruiting processes, for all 4 fertilization methods (variants). In both years of the study, the combined fertilization of soil + foliar organic Biohumus induced an increase in SSC %, which attracted a higher MA %, while the combined fertilization of soil and Foliar Ca+ determined a higher percentage of fruit firmness, in both years of study. The highest productions were observed in the case of mineral fertilization combined with Biohumus organic foliar fertilization, with a production increase of 1.25 kg/plant compared to the application of foliar fertilization. Nitrates from fruits do not exceed the limits allowed for growing tomatoes in the greenhouse.
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