Comparative analysis of the growth, yield attributes and grain yield of kharif maize (Zea mays) under varying doses of biochar, fertility levels, and biofertilizer treatments

SAURABH KUMAR VERMA; SURESH KUMAR; ALOK KUMAR PANDEY

doi:10.59797/ija.v68i4.5455

Authors

SAURABH KUMAR VERMA Acharya Narendra Deva University of Agriculture and Technology
SURESH KUMAR , Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya, Uttar Pradesh 224 229
ALOK KUMAR PANDEY Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya, Uttar Pradesh 224 229

DOI:

https://doi.org/10.59797/ija.v68i4.5455

Keywords:

Biochar, Fertility levels, Maize, Yield attributes, Yield

Abstract

A field experiment was conducted during the rainy (kharif) seasons of 2021 and 2022 at the research farm of Acharya Narendra Deva University of Agriculture and Technology, Kumarganj Ayodhya, Uttar Pardesh, to evaluate the effect of graded doses of biochar and fertility levels with and without biofertilizer under partially reclaimed sodic soils on maize (Zea mays L.) performance. The experiment was laid out in randomized block design (RBD) which with 3 replications. Experiment comprised of 8 treatments, viz. T1 , Control; T2 , 100% RDF 100 : 60 : 40 N, P2 O5 and K2 O; T3 , 50% RDF + 2.5 t/ha biochar; T4 , 50% RDF + 2.5 t/ha biochar + ZMB Biofertilizer; T5 , 50% RDF + 2.5 t/ha biochar + ZMB Biofertilizer + Zn; T6 , 100% RDF + 5 t/ha biochar; T7 , 100% RDF + 5 t/ha biochar + ZMB Biofertilizer; T8 , 100% RDF + 5 t/ha biochar + ZMB Biofertilizer + Zn. The study’s comparative analysis revealed the positive effects of applying biochar, optimal fertility levels, and biofertilizers on the yield attributes and grain yield of kharif maize. Notably, treatment T8 showed significant improvements, with a 53% increase in cob length, 34% increase in cob girth, 83% increase in the number of grains per row, 138.4% increase in grain yield, and 134% increase in stover yield compared to the control treatment. These findings demonstrate the successful impact of application of 100% RDF + 5 t/ha biochar + ZMB Biofertilizer + Zn in enhancing various aspects of maize growth and yield, surpassing the outcomes achieved with the control treatment and may be recommended for achieving high-quality maize production in partially reclaimed sodic soils of eastern Uttar Pradesh and comparable agro-ecoregions.

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