Growth and Production Potential of Greengram (Vigna radiata) Influenced by Rhizobium Inoculation with Different Nutrient Sources
2013
Kundu, Rajib | Mandal, Jajati | Majumder, Aparajita
A field study was conducted to investigate the effect of Rhizobium inoculation with different nutrient sources on the nodulation and yield of greengram in Factorial RBD with three replications at Bidhan Chandra Krishi Viswavidyalaya on Gangetic alluvial soil of West Bengal during 2009 and 2010. The treatments comprised of two factors i.e. no seed inoculation and seed inoculation with Rhizobium, with five treatments like untreated control, application of (NPK @ 20:60:20 kg ha⁻¹), rock phosphate for 60 kg P₂O₅ ha¹, vermicompost for 60 kg P₂O₅ha⁻¹ and SSP for 60 kg P₂O₅ha⁻¹. Result indicated that plots treated with Rhizobium seed inoculation positively and significantly influenced the growth parameter, nodulation, seed and stalk yield of greengram and also bacterial population of the soil system. In case of fertilizer treatments application of recommended dose of NPK performed better than all other treatments. Numbers and weight of nodules increased highly due to NPK application. Seed and stalk yield was maximum under Rhizobium inoculation coupled with the application of recommended dose of NPK, closely followed by the treatment combinations of Rhizobium inoculation coupled with vermicompost. Result indicated that plots treated with Rhizobium seed inoculation positively and significantly influenced the growth parameter, nodulation, seed and stalk yield of greengram and also bacterial population of the soil system.
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