Performance evaluation of lettuce (Lactuca sativa var. Lalique) using different organic growing media under hydroponic system
2023
Solis, E.S. | Anoc, R.J.S. | Baterna, M.S. | Bitas, B.M.A. | Sixto, J.A.
This study assessed the growth and yield of lettuce, nutrient solution consumption of the plant, and its quality using different growing media (foam, coco peat, raw rice hull, coconut saw dust, antipolo saw dust, composted rice straw, composted rice hull) in a Kratky hydroponic system at the Institute of Agriculture, Camiguin Polytechnic State College-Catarman Campus, Tangaro, Catarman, Camiguin [Philippines] during wet (August 9, 2022 - October 12, 2022) and dry season (February 18, 2022 - April 7, 2022). The study was laid in a Randomized Complete Block Design with seven treatments and three replications. Tukeys Honest Significant Difference was used to compare the significant differences between treatment means. Results showed that the type of growing media significantly affect the lettuce growth performance and horticultural root development except for root volume, root fresh weight, and percentage root per plant, insect pests and disease incidence and survival rate for both seasons. A highly significant difference was also observed in terms of yield, nutrient solution consumption, and final quality of the hydroponic nutrient solution for both wet and dry season. Results showed that the use of organic growing media (composted rice hull, raw rice hull, composted rice straw, antipolo saw dust, and coco peat) could be used effectively to increase production performance of lettuce under a hydroponic system. It can be concluded that the growing media affects the growth and yield of lettuce in a hydroponic production system, however, the potential use of these various growing media should be further tested for verification.
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