International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2017, Volume : 5, Issue : 4
First page : (882) Last page : (886)
Article doi: http://dx.doi.org/10.18782/2320-7051.5591
Effect of Different Levels of Nitrogen and Potassium on Ascorbic Acid, Crude protein and Crude fibre content of Okra (Abelmoschus esculentus L.)
B. Naveen Kumar*, G. Padmaja and P. Chandrasekhar Rao
Department of Soil Science and Agricultural Chemistry, College of Agriculture,
Professor Jayashankar Telangana State Agricultural University, Hyderabad
*Corresponding Author E-mail: naveenb.agri999@gmail.com
Received: 4.07.2017 | Revised: 12.07.2017 | Accepted: 13.07.2017
ABSTRACT
A field experiment was conducted during kharif, 2011 on a sandy loam soil (Alfisol) at Student’s Farm, College of Agriculture, Rajendranagar, Hyderabad with a view to study the effect of levels of nitrogen (0, 60, 120 and 180 kg N ha-1) and potassium (0, 30, 60 and 90 kg K ha-1) on pod yield and quality of okra. Randomized Block Design (RBD) with factorial concept was followed. The pod yield of okra was significantly increased with nitrogen, potassium and their interactions. Among the different interactions (N×K), the highest yield (126.17 q ha-1) was recorded by combined application of 180 kg N ha-1 + 90 kg K2O ha-1 (N3K3) which was on par with 180 kg N ha-1 + potassium 60 kg K2O ha-1 (N3K2). With regard to quality parameters of okra the results revealed that increasing levels of nitrogen and potassium increased the ascorbic acid and crude protein content and the values ranged from 13.68 to 18.87 mg 100 g-1 and 14.09 to 19.29%, respectively. But the results of crude fibre content revealed that increased levels of nitrogen (0 to 180 kg N ha-1) caused the decrease in crude fibre content (13.36 to 11.06%) whereas increase in potassium levels caused increase in crude fibre content (11.28 to 13.21%). The interaction effect of nitrogen and potassium did not show significant effect on quality parameters of okra. Nitrogen use efficiency was found to be higher (38) at N2K2 (120 kg N ha-1 + 60 kg K2O ha-1) level.
Key words: Nitrogen, Potassium, Yield, Quality, Okra
Full Text : PDF; Journal doi : http://dx.doi.org/10.18782
Cite this article: Kumar, B.N., Padmaja, G. and Rao, P.C., Effect of Different Levels of Nitrogen and Potassium on Ascorbic Acid, Crude protein and Crude fibre content of Okra (Abelmoschus esculentus L.), Int. J. Pure App. Biosci.5(4): 882-886 (2017). doi: http://dx.doi.org/10.18782/2320-7051.5591
