INFLUENCE OF FOLIAR NUTRITION ON PERFORMANCE OF BLACKGRAM (VIGNA MUNGO L.), NUTRIENT UPTAKE AND ECONOMICS UNDER DRY LAND ECOSYSTEMS

Article Id: LR-2980 | Page : 422-428
Citation :- INFLUENCE OF FOLIAR NUTRITION ON PERFORMANCE OF BLACKGRAM (VIGNA MUNGO L.), NUTRIENT UPTAKE AND ECONOMICS UNDER DRY LAND ECOSYSTEMS.Legume Research-An International Journal.2013.(36):422-428
Shashikumar, R. Basavarajappa*, S.R. Salakinkop, Manjunatha Hebbar, M.P. Basavarajappa and H.Y. Patil rbasavarajappa@yahoo.com
Address : Department of Agronomy, University of Agricultural Sciences, Dharwad- 580 005, India

Abstract

A field experiment was carried out during kharif season of 2011 to evaluate the effect of growth regulator, organic and inorganic foliar nutrition on yield and yield attributes of blackgram. The result indicated that application of RDF as a basal dose and  foliar spray of 40ppm NAA + 0.5% chelated micronutrient + 2% DAP given at 35 and 50 DAS recorded significantly higher growth components like plant height (37.11 cm), number of branches (8.27 plant-1), leaf  area index (4.18), and total dry matter production (15.98 g plant-1) and also higher grain yield (1298 kg ha-1), net returns and B:C ratio ( 52,900 ha-1 and 3.03 respectively), over rest of the treatments but it was at par with  RDF + foliar spray of 2% DAP + 0.5% chelated micronutrient. Significantly higher phosphorus and potassium uptake (88.32, 10.72 and 35.09 kg ha-1 respectively), and available N and  P2O5 content of soil (278.13 and 28.55 kg ha-1 respectively)  was noticed in RDF + foliar spray of 40ppm NAA + 0.5% chelated micronutrient + 2% DAP. which was at par with RDF + foliar spray of 2% DAP + 0.5% chelated micronutrient.

Keywords

Blackgram Chelated micronutrient Cow urine DAP economics Grain yield NAA Nutrient uptake Panchagavya and salicylic acid.

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