Kanwar, Harjit, Choubey NK and Savu RM
A field experiment entitled “Effect of bio-fertilizer formulation on growth and yield of soybean (Glycine max (L.) Merrill.)” was conducted during Kharif season of 2021 at Instructional cum Research Farm, Indira Gandhi Krishi Vishwavidyalaya, Raipur (Chhattisgarh) to study the effect of different biofertilizer on soybean’s growth, yield, nutrient content, uptake and economics in Vertisol of Chhattisgarh. The experiment was evaluated to use a randomized block design (RBD) with three replications and seven distinct treatments. The treatment comprised T1: Control (No nutrients), T2: 100 % RDN, T3: 75 % RDN, T4: 75 % RDN + Bio Zn, T5: 75 % RDN + Bio NPK, T6: 75 % RDN + Bio Zn + Bio NPK, T7: 75 % RDN + Rhizobium + MDSR 14 + MDSR 34. Result revealed that application of 75 % RDN + Bio Zn + Bio NPK significantly gave the highest values of number of nodules plant-1 (32.10), dry weight of nodules plant-1 (179.8 mg) and number of pods plant-1 (68.47), number of seeds pod-1 (2.06), 100-seeds weight (10.99). The seed yield (20.2 q ha-1), Stover yield (48.07 q ha-1) were recorded higher in 75 % RDN +Bio Zn + Bio NPK treatment as compare to 100 % RDN, There was a saving of 25 % of inorganic nutrients with the use Bio fertilizers along with 75 % RDN instead of 100% RDN.
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