Effect of combined application of urea and organic manures on soil acidity along with the growth and yield attributes of okra at Lamjung, Nepal
https://doi.org/10.26832/24566632.2023.0804019
Abstract
An experiment was conducted in horticulture farm of Institute of Agriculture and Animal Science, Lamjung Campus, Nepal to evaluate the effect of combined application of Urea and Organic manures on soil acidity along with the growth and yield attributes of Okra. The experiment was set up under Randomized Complete Block Design (RCBD) comprising five treatments replicated four times. The various treatments used in the experiment were Cow manure + Urea, Buffalo manure + Urea, Goat manure + Urea, Buffalo manure + Goat manure + Urea and the Untreated Control. The required doses of Nitrogen for the crop were applied through treatments and that of Phosphorous and Potassium was petitioned from Single Super Phosphate (SSP) and Muriate of Potash (MOP), respectively. The quantities of nutrients were put in as recommended by Nepal Agricultural Research Council (NARC) (i.e., 200:180:60 kg NPK per ha). The effect of Goat manure + Urea was found superior against plant height at 30 DAS (13.52 cm) and 45 DAS (32.15 cm), leaf area throughout the growth stage and in final mean fruit yield (12.33 t/ha). Meanwhile, the impact of Cow manure + Urea was found superior against plant height at 60 DAS (46.67 cm) and in case of reducing soil acidity (Soil pH = 6.75). Eventually, the experiment suggests the farmers to use Goat manure + Urea for desirable Okra production considering soil health and also with the application of Cow manure + Urea in the interval of (2-3) years ensuring the control over soil acidification.
Keywords:
Cow manure, Goat manure, Okra, Soil pH, YieldDownloads
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