Thesis Abstract

Abstract
Soil organic carbon (SOC) is a critical component of soil health and fertility, playing a key role in various soil processes and ecosystem functions. The management practices employed in agricultural systems can significantly influence SOC levels, with implications for soil quality, crop productivity, and environmental sustainability. This study aimed to assess the impact of different management practices on SOC levels in agricultural soils, focusing on understanding the dynamics of SOC under varying management regimes. The research was conducted through a comprehensive literature review to establish the current state of knowledge on SOC dynamics in agricultural soils and the factors influencing SOC sequestration and decomposition. Ten key themes emerged from the literature review, providing insights into the importance of soil management practices, land use changes, climate effects, and biotic interactions on SOC levels. In the research methodology chapter, the study design, sampling procedures, and analytical methods used for SOC assessment were described in detail. Eight key components of the research methodology were outlined, including soil sampling protocols, laboratory analyses, statistical methods, and data interpretation techniques. The findings chapter presented an in-depth analysis of the data collected from the field study, highlighting the differences in SOC levels observed under different management practices. The results indicated that SOC levels varied significantly across the study sites, with notable differences between conventional and sustainable farming systems. Factors such as tillage practices, crop rotation, organic inputs, and soil management history were found to influence SOC dynamics in agricultural soils. The discussion chapter delved into the implications of the study findings for soil management practices and agricultural sustainability. The results were interpreted in the context of existing literature, providing insights into the potential strategies for enhancing SOC sequestration and mitigating greenhouse gas emissions in agricultural systems. The importance of adopting sustainable soil management practices to enhance SOC levels and promote soil health was emphasized. In conclusion, this thesis contributes to the understanding of SOC dynamics in agricultural soils under different management practices. The research findings underscore the importance of sustainable soil management approaches in enhancing SOC levels, improving soil quality, and promoting agricultural sustainability. The study provides valuable insights for policymakers, land managers, and researchers seeking to optimize SOC sequestration in agricultural systems for long-term productivity and environmental benefits.

Thesis Overview

The project titled "Assessment of Soil Organic Carbon Levels in Agricultural Soils Under Different Management Practices" aims to investigate the impact of various management practices on soil organic carbon (SOC) levels in agricultural soils. Soil organic carbon is a crucial component of soil health and fertility, playing a significant role in nutrient cycling, soil structure, and overall ecosystem functioning. The research overview will involve the systematic evaluation of how different agricultural management practices, such as tillage systems, crop rotations, organic amendments, and cover cropping, influence the accumulation or loss of soil organic carbon. By assessing these management practices, the study seeks to provide valuable insights into sustainable soil management strategies that can enhance soil carbon sequestration and improve agricultural sustainability. Key objectives of the project include: 1. To assess the baseline levels of soil organic carbon in agricultural soils under different management practices. 2. To investigate the impact of conventional tillage versus conservation tillage on soil organic carbon levels. 3. To evaluate the influence of crop rotations on soil organic carbon dynamics. 4. To analyze the effects of organic amendments, such as compost and manure, on soil organic carbon accumulation. 5. To examine the role of cover cropping in enhancing soil organic carbon sequestration. Through a combination of field surveys, soil sampling, laboratory analyses, and data interpretation, the project aims to generate comprehensive findings that can contribute to the development of sustainable soil management practices. By understanding how different management practices affect soil organic carbon levels, the research intends to provide valuable recommendations for farmers, policymakers, and environmental stakeholders to promote soil health, mitigate climate change, and enhance agricultural productivity. Overall, the project "Assessment of Soil Organic Carbon Levels in Agricultural Soils Under Different Management Practices" seeks to advance our understanding of the complex interactions between agricultural management practices and soil organic carbon dynamics. By shedding light on these relationships, the research endeavors to support evidence-based decision-making for sustainable agricultural practices and environmental stewardship.