Influence of naphthalene acetic acid (NAA) and integrated nutrient management (INM) on yield and economics attributes of chilli (Capsicum annuum L.)
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Abstract
The present experiment was conducted to study the response of naphthalene acetic acid NAA and integrated nutrient management on yield and yield attributes as well as and economics of chilli (Capsicum annuum L.) with four levels of NAA (0 ppm, 25 ppm, 50 ppm and 75 ppm) and five levels of vermicompost (VC) along with RDF (V0-100% Recommended dose of fertilizer i.e. 120:60:60 Kg N P K /ha ), V1-100% N through Vermicompost, V2-75% N through VC + 25% (RDF), V3-50% N through VC + 50% (RDF) , V4-25% N through VC + 75% (RDF), having 20 treatment combinations. The results revealed that the combine application of 50 ppm NAA and 100% N through vermicomposti.e. P2V1 performed well in respect of fruit length (8.73 cm), fruit diameter (1.46 cm) and fruit weight (2.91 g) while the application of NAA 50 ppm + 50% N through vermicompost along with 50% RDF i.e. P2V3 gave significantly (P=0.05) maximum number of fruits/plant (73.86) and fruit yield per hectare (121.20 q) with higher gross income (Rs.2,66,640.00/ ha), net profit (Rs.1,98,946.00/ ha) and benefit - cost ratio (2.94). Therefore, it can be concluded that the combine effect of NAA 50 ppm along with 50 % N through vermicompost +50% inorganic fertilizers (RDF) gave better result regarding growth and yield attributes and also generated maximum gross income, net return and B:C ratio while the next best treatment was application of NAA 75 ppm along with 25 % N through vermicompost + 75 % inorganic fertilizers (RDF).
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Chilli, NAA, RDF, Vermicompost
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