Vol. 11, Issue 11 (2022)

The experimental soil was clay texture, moderately calcareous in nature and slightly alkaline in reaction and normal in salt content. A field experiment was conducted to study the “Effect of water soluble fertilizer with growth regulator on growth, yield and quality of black gram grown on Vertisol” at the farm of Department of Soil Science and Agril. Chemistry, College of Agriculture, Badnapur during kharif 2019-2020. The experiment comprised of ten treatments with three replication which included the foliar spray of water soluble fertilizer and growth regulator and RDF application through soil at the time of sowing. The results emerged out clearly indicated that the foliar application of water soluble fertilizer and growth regulator was influenced the total micronutrient content in seed and straw and also total uptake of micronutrient. The Fe concentration in black gram grain was observed to be higher in treatment T₆ (RDF + 00:52:34 @ 0.5% + SA @ 50 ppm 45 DAS) 111.67 mg kg^-1 and Fe concentration in black gram straw was observed to be higher in treatment T₉ (RDF + 00:52:34 @ 0.5%+ GA + SA @ 50 ppm each 27 DAS) 60.67 mg kg^-1. The highest Fe uptake (1900.16 g ha^-1) was observed in treatment T₉ RDF + 00:52:34 @ 0.5%+ GA + SA @ 50 ppm each 27 DAS. Mn concentration in black gram grain and straw was significantly higher in the treatment T₉ (RDF + 00:52:34 @ 0.5%+ GA + SA @ 50 ppm each 27 DAS) 49.38 mg kg^-1 and 23.10 mg kg^-1.The highest Mn uptake was 816.79 g ha^-1 observed in treatment T₉ (RDF + 00:52:34 @ 0.5%+ GA + SA @ 50 ppm each 27 DAS).