Effect of Bio-organic and Potassium on Yield attributes of Pearl millet Pennisetum glaucum (L.) R. Br. emend Stuntz

Abstract

A field experiment entitled “Effect of Bio-organics and Potassium on Soil Fertility and Yield of Pearl millet [Pennisetum glaucum (L.) R. Br. emend Stuntz]” was conducted during Kharif season 2015 on loamy sand soil at Agronomy Farm, S.K.N. College of Agriculture, Jobner. The experiment consisted 20 treatments combination of five levels of bio-organics viz., control, VC @ 2.5 t ha-1, VC @ 2.5 t ha-1 + Azotobacter + PSB, VC @ 5 t ha-1 and VC @ 5 t ha-1 + Azotobacter + PSB and four treatments of potassium viz., control, 20, 40 and 60 kg K2O ha-1 and replicated thrice in randomized block design. Pearl millet var. Raj-171 was taken as test crop. Results showed that the plant height, number of effective tillers and dry matter accumulation were observed significantly maximum at VC @ 5 t ha-1 + Azotobacter + PSB level of bio-organics application over control, but in VC @ 2.5 t ha-1 + Azotobacter + PSB found maximum in net return. Application of potassium @ 40 kg ha-1 resulted in significant increase in plant height, number of effective tillers, dry matter accumulation.