Effect of Different levels of Liquid Nitrogen, Phosphorus and Potassium on Growth, Yield and Quality of Broccoli (Brassica oleraceae var. italica) in Hydroponic
Aditya Vikram Singh *
Department of Horticulture, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh-211007, India.
Vijay Bahadur Rajwade
Department of Horticulture, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh-211007, India.
Samir E. Topno
Department of Horticulture, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh-211007, India.
Anita Kerketta
Department of Horticulture, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh-211007, India.
*Author to whom correspondence should be addressed.
Abstract
Hydroponics is a Plant growing procedure in water. The experiment was carried out to find out the effect of different levels of NPK on growth, yield and quality of broccoli (Brassica oleracea L. var. Italica). The variety was “Green Magic” which is F1 hybrid. They were bought from the local market of “Alopibag” Prayagraj. The present experiment was carried out from October, 2021 to January, 2022 in Shade Net Research Field, Department of Horticulture, SHUATS, Prayagraj. The experiment was conducted in Randomized Block Design (RBD), with eight treatments T1(8.12ml NPK/Pl), T2(9.37ml NPK/Pl), T3(10.62ml NPK/Pl), T4(11.87ml NPK/Pl), T5(13.12ml NPK/Pl), T6(14.37ml NPK/Pl), T7(15.62ml NPK/Pl), with a control (T0), replicated thrice in nutrient field technique (NFT) hydroponics system. The best result was shown by the treatment T6.The initiation of curd formation, growth of plant and chlorophyll content all parameter were superior in T6. The plants in T0 do not show any significant improvement as there were no nutrients given to them. The systems ran 4 hours daily during their vegetative growth and the timing was increased to 6 hours during their reproductive phase of development. Curd formation occurs in almost all plants in every treatment.
Keywords: Broccoli, NFT, F1 hybrid, chlorophyll content, RBD and NPK
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