Productivity of parsley grown in a hydroponic and semi-hydroponic system, in the municipality of Paragominas/Pará
DOI:
https://doi.org/10.6008/CBPC2179-6858.2020.006.0045Keywords:
Chlorophyll, Regrowth, Vegetable, Cultivation SystemsAbstract
Parsley is a crop that can be grown in a hydroponic, semi-hydroponic and soil system, it stands out for its ability to sprout, which can be explored for two to three years. Thus, the objective of this research was to evaluate the productivity and chlorophyll content of parsley in hydroponic and semi-hydroponic cultivation in two harvests, in the municipality of Paragominas-Pará. The experiment was conducted at the B&A Hydroponics property. The design used was completely randomized in a 2x2 factorial scheme, with two systems (hydroponic and semi-hydroponic) and two harvests, with six replications. In the field, chlorophyll was evaluated using a device called ChlorofiLOG-CFL1030. In the laboratory, the parameters were evaluated: number of leaves, weight of fresh and dry mass (g), width (mm), length (mm) and data to aid the calculation of leaf area (mm²) and productivity (g plant-1). The data obtained were subjected to analysis of variance, and the means compared by the Tukey test at 5% probability. In terms of productivity, parsley shows better results in the semi-hydroponic system if harvested after regrowth, that is, the second harvest. If the cultivation is in hydroponics, the highest productivity will occur in the first harvest. In general, the hydroponic parsley showed better results, when compared to the cultivation system in the semi-hydroponic, in most of the analyzed parameters. Chlorophyll (A, B and Total) in the semi-hydroponic system was superior compared to the hydroponic system, with a better average for the second harvest.
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