Effect of Bio Fertilizers and Micro Nutrients on Growth and Yield of Black Gram (Vigna mungo L.)

Munigala. Hepsibha *

Department of Agronomy, SHUATS, Prayagraj, India.

Shikha Singh

Department of Agronomy, SHUATS, Prayagraj, India.

S. Bala Vineetha

Department of Agronomy, SHUATS, Prayagraj, India.

B. Bharathi Christina

Department of Agronomy, Naini Agriculture Institute, SHUATS, Prayagraj, India.

*Author to whom correspondence should be addressed.


Abstract

The field experiment was conducted during ZAID season, 2023 at Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh, India. In the present study, effect of bio fertilizers and micro nutrients on growth and yield of black gram. The treatments consist of three levels of bio fertilizers i.e, AMF – 25 g/kg seeds, Pseudomonas - 10 g/kg seed, Rhizobium – 20g/ kg seeds along with three different micro nutrients i.e, Zinc - 0.5 %, Iron - 0.5%  and Molybdenum - 0.4%. There are 10 treatments each replicated thrice. The soil of experimental plot was sandy loam in texture, nearly neutral in soil reaction (pH 6.9), available in medium nitrogen (138.700 kg/ha) medium phosphorus (17.5 kg/ha) and medium potassium (157.9 kg/ha). Results revealed that maximum plant height (44.40cm), plant dry weight (9.53 g/plant), number of nodules/ plant (27.20), no of branches (18.43), number of pods (10.07), number of seeds/pod (9.67), test weight (39 g), grain yield (1213.33 kg/ha), stover yield (2233.33kg/ha) was recorded in T8 (Rhizobium – 20g/kg seed + Iron - 0.5 %). Maximum gross return (INR 63,350.00), net return (INR 41,900.00) and B:C ratio (1.95) which was significantly superior over other treatment (Rhizobium – 20g/kg seed + Iron - 0.5 %). It is concluded that the application of Rhizobium -20g/kg seed along with foliar spray Iron-0.5% (T8 ) produce higher yield and benefit cost ratio in Black gram.

Keywords: Iron, molybdenum, pseudomonas, rhizobium, zinc


How to Cite

Hepsibha, Munigala., Shikha Singh, S. Bala Vineetha, and B. Bharathi Christina. 2024. “Effect of Bio Fertilizers and Micro Nutrients on Growth and Yield of Black Gram (Vigna Mungo L.)”. Journal of Experimental Agriculture International 46 (7):22-28. https://doi.org/10.9734/jeai/2024/v46i72553.

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