Effect of different sources of organic manures and seed bio-priming on yield and economics of Rice bean (Vigna umbellate)

Abstract

A field experiment was conducted during kharif-2019 at Research Institute of Organic Farming field unit, UAS, GKVK, Bengaluru to study the Effect of different sources of organic manure and seed bio-priming on growth and yield of rice bean (Vigna umbellate) laid out in Factorial Randomized Complete Block Design with 10 treatments replicated thrice and the variety used was KBR-1. Results of the experiment revealed that seed bio priming with Rhizobium and Trichoderma recorded significantly higher seed yield (1184.87 kg ha-1) and stover yield (3052.56 kg ha-1), yield attributes like number of pods per plant (59.87), pod length (8.69 cm) seed yield per plant (11.37 g) and 100% N equivalent through vermicompost resulted in significantly higher seed yield (1789.50 kg ha-1) and stover yield (3504.47 kg ha-1), yield attributes like number of pods per plant (69.67), pod length (9.92 cm), number of seeds per pod (9.17) seed yield per plant (12.83 g). Lower seed yield (237.3 kg ha-1) and stover yield (1985.2 kg ha-1) recorded T1 (without seed bio-priming). Whereas, higher B:C ratio (2.96) was recorded with 100% N equivalent through neemcake + seed bio-priming.