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Influence of biofertilizers under drip fertigation system on NPK uptake and yield performance of greengram (Vigna radiata L.)

Field experiment was conducted at water technology centre fields, college farm, College of Agriculture, PJTSAU, Rajendranagar, Hyderabad, Telangana during kharif 2016 – 2017 with one of the objective of nutrient uptake and yield performance of Greengram, variety (MGG – 295) under Drip fertigation system. The experiment was laid out in Randomizerd block design with three replications. Use of carrier based inoculum for crop growth and yield is wide practice among the conventional agriculture. Precision farming is a site specific management approach whereas the conventional practice is a uniform fertilizer application. Carrier based inoculum is not suitable for precision farming system due to clogging effect. Hence the liquid bioinoculants viz., Rhizobium and PSB were used under drip fertigation system to evaluate the yield performance and NPK uptake of greengram. The result suggested the positive influence of 100% RDF of NPK + Rhizobium (LB) and PSB (LB) under drip fertigation the flow rate was 2 lit hr-1 on delivery of microbial inoculants Rhizobium (8.38 log no. of cells ml-1 ) and PSB (8.15 log no. of cells ml-1 ) were increased the NPK uptake and 23.93 % yield over conventional method. | Influence of biofertilizers under drip fertigation system on NPK uptake and yield performance of greengram (Vigna radiata L.)