Journal of Food, Agriculture and Environment

Effect of bio-fertilizer in soybean [Glycine max (L) Merr.] on productivity and fertility in soybean-wheat sequence

Author(s):

P. K. Jaga, Yogesh Patel, Satish Sharma, K. B. Sharma, Vinod K. Garg

Recieved Date: 2021-02-02, Accepted Date: 2021-03-26

Abstract:

A field experiment was conducted at farmer’s field village basoda (Vidisha) during kharif seasons 2018-2019 to study the possibility of improving the microbiological fertilizer for soybean by seed inoculation with Rhizobium and plant growth promoting rhizobacteria alone and in combination using soybean cultivar JS 95-60. Their residual contribution was assessed on productivity of succeeding wheat (Tritium aesivum L.) at three levels of N and soil properties. The trial was set up in randomized block design with seven treatments and four replications. Rhizobium sp. alone gave significant increase in nodule number (74%), nodule dry weight (485 mg/nodules), seed yield (27.5 q ha^-1) leaf area index (14.5) and harvest index (49.5%) over the uninoculated control. The PGPR alone gave significant increase in nodule number (73.5%), nodule dry weight (481mg/nodules) seed yield (26.9 q ha-1) leaf area index (14.2) and harvest index (48.9%) over the uninoculated control. Conjoint use of Rhizobium and PGPR also result in 9.6 and 12.8% increase in soybean grain and straw yields, respectively, over control. It also significantly improved available N, P and K in soil by 18.7, 56.7 and 17.5%, respectively, over the uninoculated control at the harvest. In soybean crop, the N levels PGPR and Rhizobium revealed 3.88 and 3.91 t ha-1 wheat grain yield as compared to 3.67 t ha^-1 with uninoculated soybean crop. Conjoint application further increased the wheat grain and straw yields by about 9.9% over the uninoculated soybean. Different inoculation treatments also significantly improved the various yield attributes of wheat. Dual inoculation of Rhizobium sp. and PGPR in soybean also significantly increased soil available N by 16.3% and 17.4% and soil available P by 27.5 and 50.0% of wheat over the uninoculated soybean, respectively. Increasing levels of N significantly increased the wheat grain and straw yields and available N, P and K in soil at harvest

Keywords:

Soybean, wheat, bio-fertilizers residual effect, soil,: properties, productivity

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Journal: Journal of Food, Agriculture and Environment
Year: 2021
Volume: 19
Issue: 2
Category: Agriculture
Pages: 47-51

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