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Biochar-microbes-FYM Nexus for Maize Productivity, Macro-nutrients’ Availability and Soil Organic Carbon Under Semi-arid Climate

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Abstract

Biochar addition has been shown to result in numerous benefits in temperate soils, however, little of these benefits are explored in tropical and subtropical soils. A two-year filed trial was set up at Agronomy Research Farm, The University of Agriculture, Peshawar, to study the effects of biochar addition on yield traits of maize, soil parameters and soil biota. The experiment included three levels of biochar (0, 7.5 and 15 t ha−1) along with two levels of effective microbes (with and without EM) and three levels of farmyard manure (no farmyard manure, composted farmyard manure and fresh farmyard manure). Treatments were replicated thrice in a randomized complete block design. Application of biochar at the rate of 7.5 t ha−1 increased grains ear−1, thousand grain weight, stover yield and grain yield by 7, 4, 6 and 11%, respectively in comparison to control. Application of composted farmyard manure increased grains ear−1, thousand grain weight, stover yield and grain yield by 7.3, 7 and 8%, respectively. Application of microbes improved grains ear−1, thousand grain weight, stover yield and grain yield by 5, 3, 7 and 8%, respectively. Application of biochar and microbes also enhanced the extractable potassium, phosphorus and carbon content of the amended soil, soil pH and EC. It was concluded that biochar, FYM and EM application improved maize yield, soil health and soil faunahowever, biochar rate should be chosen wisely as higher rates may negatively impact maize production and soil macro-nutrients availability.

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Acknowledgements

This study was funded by Higher Education Commission (HEC) of Pakistan under Indigenous PhD fellowship program. We thank them for the provisions of funds and resources for this research. We also thank Prof. Dr. Muhammad Jamal Khan Chairman and lab attendants of Soil Sciences Department at our University for providing their lab facilities and Dr. Muhammad Riaz, Associate Professor, University of Agriculture, Faisalabad for his valuable suggestions regarding data analysis.

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Correspondence to Muhammad Arif.

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T. Jan reports financial support was provided by Higher Education Commission Pakistan. T. Jan, M. Arif, S. Anwar and D. Muhammad declare that they have no competing interests.

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Jan, T., Arif, M., Anwar, S. et al. Biochar-microbes-FYM Nexus for Maize Productivity, Macro-nutrients’ Availability and Soil Organic Carbon Under Semi-arid Climate. Gesunde Pflanzen 75, 2525–2539 (2023). https://doi.org/10.1007/s10343-023-00872-x

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  • DOI: https://doi.org/10.1007/s10343-023-00872-x

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