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Ajeet Kumar

Publications (35)

Integrated Monitoring, Remediation and Management of Soil Pollution: A Comprehensive Review

Ajeet Kumar, Anand Kumar, Ankesh Kumar Chanchal, Santosh Kumar Chaudhary & Dhyanananda Kumari · Asian Journal of Environment & Ecology · 2026

Soil pollution remains one of the most persistent and spatially heterogeneous environmental challenges of the twenty-first century, with direct implications for ecosystem functioning, food safety, water quality, and human health. The complexity of soil as a multiphase medium and...

Open access Research Article 10.9734/ajee/2026/v25i3897

Functional Screening of Zinc-Solubilizing Bacteria Isolated from the Rhizosphere Soil for In-vitro Zinc Carbonate Solubilization Potential

Ajeet Kumar, Sanjay Kumar Singh, Kamlesh Kumar Singh, S.K. Sinha, Kumari Sunita, Ram Prawesh Prasad, Mahesh Kumar & Anil Kumar Singh · International Journal of Environment and Climate Change · 2026

Zinc (Zn) deficiency is a major constraint in crop production, particularly in calcareous and alkaline soils where zinc predominantly exists in insoluble forms such as zinc carbonate (Zn CO₃). To address this challenge, zinc-solubilizing bacteria (ZSB) offer an eco-friendly and s...

Open access Research Article 10.9734/ijecc/2026/v16i35317

Isolation and Screening of Zinc Solubilizing Bacteria from Pulses Rhizosphere and their Effect on In-vitro Solubilization of Zinc Oxide

Ajeet Kumar, Ramjas Meena, Sanjay Kumar Singh, Sunita Kumari Meena, Lalita Rana, Mahesh Kumar & Anil Kumar Singh · Journal of Advances in Biology & Biotechnology · 2026

Zinc is an essential micronutrient required for various physiological and biochemical functions in plants, yet its availability in soils is often limited due to its presence in insoluble forms. Zinc deficiency in agricultural soils especially in pulse-growing regions of India, po...

Open access Research Article 10.9734/jabb/2026/v29i13542

Atmospheric Response to India’s COVID-19 Lockdown: A Multi-Satellite Assessment of Aerosols, Trace Gases, and Meteorological Influences

Ajeet Kumar · International Journal of Environment and Climate Change · 2025

The COVID-19 lockdown in India created a unique opportunity to examine how abrupt reductions in anthropogenic activity influence atmospheric composition at regional scales. This study evaluates changes in aerosol optical depth (AOD), nitrogen dioxide (NO₂), sulfur dioxide (SO₂),...

Open access Research Article 10.9734/ijecc/2025/v15i125166

Assessing Socio-economic Determinants of Farmers’ Adaptive Capacity to Climate Change: An Empirical Study from Gaya District, Bihar, India

Ajeet Kumar & Khanindra Pathak · Asian Journal of Advances in Agricultural Research · 2025

Climate change poses a growing threat to agricultural systems, particularly impacting smallholder farmers in vulnerable regions like Bihar, India. This study assesses the adaptive capacity of farmers in Gaya district and identifies key socio-economic factors influencing their res...

Open access Research Article 10.9734/ajaar/2025/v25i10683

Sustainable Farming Practices: A Comprehensive Review of Their Impacts on Crop Productivity and Soil Health

Ajeet Kumar & Khanindra Pathak · International Journal of Environment and Climate Change · 2025

Soil health is fundamental to sustainable agriculture, underpinning crop yield, environmental resilience, and long-term ecosystem stability. Modern agricultural practices, marked by excessive use of pesticides and fertilizers, monoculture, and high ploughing, have led to signific...

Open access Research Article 10.9734/ijecc/2025/v15i84981

A Comprehensive Review on Impact of Intensive Use of Nitrogenous Fertilizer on Nitrate Contamination in Groundwater under Sugarcane Based Cropping System in Indo-Gangetic Plains of India

Ajeet Kumar, Sanjay Kumar Singh, Sunita Kumari Meena, Sanjeew Kumar Sinha, Lalita Rana, Anil Kumar Singh, Amrendra Kumar, Harendra Singh & Sudhir Paswan · International Journal of Environment and Climate Change · 2025

This study critically examines the impact of intensive nitrogen fertilizer use on nitrate contamination in groundwater within sugarcane-dominated cropping systems in the Indo-Gangetic Plains of India, with a focus on Samastipur district, Bihar. The region’s sugarcane cultivation,...

Open access Research Article 10.9734/ijecc/2025/v15i24727

Role of Artificial Intelligence in Vegetable Production: A Review

Ajeet Kumar, Rajat Rajput, Chhail Bihari, Suman Kumari, Abdul Rahman M, S.P. Kanaujia, Sentirenla Jamir, Raj Kumar, Ravi Shankar & Rishabh Kumar Singh · Journal of Scientific Research and Reports · 2024

Role of Artificial Intelligence (AI) in vegetable production, emphasizing its potential to address critical challenges such as climate change, population growth, and resource scarcity. AI technologies, including machine learning, computer vision, and robotics, are revolutionizing...

Open access Research Article 10.9734/jsrr/2024/v30i92423

Carbon Sequestration in Sugarcane Plant-soil System as Influenced by Nutrient Integration Practices under Indo-Gangetic Plains of India

Ajeet Kumar, Sunita Kumari Meena, Sanjay Kumar Singh, S.K. Sinha & A.K. Singh · Journal of Advances in Biology & Biotechnology · 2024

Sugarcane is a multi-purpose crop. The capability of sugarcane crop to sequestrate carbon into soil and plant is of great importance. Under this study the carbon sequestration in planted sugarcane and their rhizospheric soil under different nutrient management practices was asses...

Open access Research Article 10.9734/jabb/2024/v27i5769

Groundwater Contamination with Nitrate and Human Health Risk Assessment of North East Alluvial Plains of Bihar, India

Ajeet Kumar, Sanjay Kumar Singh, Sunita Kumari Meena, S.K. Sinha & Lalita Rana · International Journal of Environment and Climate Change · 2024

Groundwater is natural resources which supplies almost half of all drinking water in the world and plays a key role in food production. Consuming water containing high nitrate concentration have immediate effect on infant and could cause the risk of diseases Methemoglobinemia in...

Open access Research Article 10.9734/ijecc/2024/v14i34016

Constraints on Cole Crop of Production and Marketing: A Case Study of Sultanpur District of Uttar Pradesh, India

Ajeet Kumar, K. K. Singh, Supriya, Pavan Kumar Singh & Bharatendu Yadav · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

This study was conducted in the Sultanpur district of Uttar Pradesh State with the aim of identifying the constraints faced by cole crop growers in cultivation, production, and marketing. The researchers utilized the Garrett ranking method to analyze the data obtained from the re...

Open access Research Article 10.9734/ajaees/2023/v41i92076

Effect of Vermicompost Application on Nitrogen Transformation in Soil

Ajeet Kumar, Sankar Ch. Paul, Mahendra Singh, Rajiv Rakshit & Sunil Kumar · Current Journal of Applied Science and Technology · 2018

Aim: To know the effect of vermicompost application on nitrogen transformation in soil. Study Design: Completely Randomized Design (CRD). Place of Study: Experimental site of Department of Soil Science and Agricultural Chemistry, Bihar Agricultural University, Sabour. Methodology...

Open access Research Article 10.9734/CJAST/2018/45988

Isolation and Screening of Zinc Solubilising Bacteria from Pulse Rhizosphere under Calcareous Soil Conditions

Ramjas Meena, Ajeet Kumar, Sanjay Kumar Singh, Sunita Kumari Meena, Lalita Rana & Sudhir Paswan · Journal of Advances in Biology & Biotechnology · 2025

Zinc (Zn) deficiency is a widespread micronutrient disorder in Indian agricultural soils, particularly in calcareous regions where high pH and carbonate levels precipitate zinc into insoluble forms, limiting plant availability. This study aimed to isolate and evaluate efficient z...

Open access Research Article 10.9734/jabb/2025/v28i92936

Integrated Assessment of Pesticide Efficacy Against Aceria litchii (Keifer) in Litchi Orchards of Bihar, India

Rashmi Rekha & Ajeet Kumar · Journal of Advances in Biology & Biotechnology · 2025

This study evaluated the efficacy and toxicity of various pesticides against Aceria litchii (Keifer), a major pest threatening litchi production in Bihar, through integrated laboratory and field trials. Laboratory bioassays, based on a modified Voss–Dittrich method, determined LC...

Open access Research Article 10.9734/jabb/2025/v28i42200

Assessment of Microbial and Enzymatic Activity of Plant-ratoon System in Sugarcane Rhizosphere in Indo-Gangetic Plains of India

S.K. Sinha, Ajeet Kumar, Satish Chandra Narayan, Sanjay Kumar, Amrita Kumari & Brajesh Kumar · International Journal of Plant & Soil Science · 2025

A field experiment was carried out on sugarcane plant-ratoon system to develop nutrient management strategies for sustaining soil health, quality and sugarcane production at Research Farm, Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar. Trials were conducted to...

Open access Research Article 10.9734/ijpss/2025/v37i35364

The Integrated Effect of Organic Manure, Biofertilizer and Inorganic Fertilizer on Soil Properties, Yield and Quality in Sugarcane Plant-ratoon System under Calcareous Soil of Indo-gangetic Plains of India

S.K. Sinha, Ajeet Kumar, Amrita Kumari & A.K. Singh · Journal of Scientific Research and Reports · 2024

A field experiment was conducted at the Research Farm of Dr. Rajendra Prasad Central Agricultural University, Pusa, Bihar, to devise nutrient management strategies aimed at sustaining soil health, quality and sugarcane production within the sugarcane plant-ratoon system. The expe...

Open access Research Article 10.9734/jsrr/2024/v30i51934

Spatial Assessment of DTPA-Extractable Cationic Micronutrients in Calcareous Alluvial Soils of Vaishali District, Bihar, India

Sanjay Kumar Singh, Sachin Yadav & Ajeet Kumar · Journal of Scientific Research and Reports · 2026

This study investigated the spatial distribution and availability of DTPA-extractable cationic micronutrients in calcareous alluvial soils of Vaishali district, Bihar, India. A total of 139 geo-referenced surface soil samples (0–15 cm) were collected using a grid-based sampling a...

Open access Research Article 10.9734/jsrr/2026/v32i44081

Variability and Distribution of Macronutrients in Calcareous Soils of Vaishali District, Bihar, India

Sanjay Kumar Singh, Sachin Yadav, Ajeet Kumar, Kamlesh Kumar Singh, Shweta Kumari, Siyaram Meena, Yad Vir Singh & A. K. Singh · Journal of Advances in Biology & Biotechnology · 2026

Soil fertility assessment is crucial for sustainable agricultural productivity, particularly in calcareous soils that often exhibit nutrient imbalances. The present study was undertaken to evaluate the spatial distribution and status of major soil fertility parameters and macronu...

Open access Research Article 10.9734/jabb/2026/v29i13589

Groundwater Quality Assessment for Drinking and Agricultural Use in Motipur Block, Muzaffarpur District, Bihar, India

Sanjay Kumar Singh, Mahipal Kantawa, Ajeet Kumar, Shweta Kumari, K. K. Singh, Sanjay Tiwari, Pankaj Singh & A.K. Singh · International Journal of Environment and Climate Change · 2025

Groundwater is a critical resource for drinking and irrigation, yet its quality in rural areas such as Motipur block, Muzaffarpur (Bihar), remains poorly characterized. This study evaluated groundwater suitability by analyzing 40 samples from hand pumps and tube wells for key par...

Open access Research Article 10.9734/ijecc/2025/v15i54830

Geo Spatial Assessment and Micronutrient Mapping of Calcareous Soils in Muzaffarpur District, Bihar, India

Sanjay Kumar Singh, Techi Tagung, Ajeet Kumar, Pankaj Singh, Harendra Singh, Sumedh R. Kashiwar, Sanjay Tiwari, A.K. Singh, Shweta Kumari & Y. V. Singh · Journal of Scientific Research and Reports · 2024

The soil fertility maps created using GIS are valuable tools, with the geo-coordinates of soil samples recorded using a Garmin GPS device and then imported into the base map through ArcGIS software. The analyzed soil fertility data covers sampling sites in the Minapur, Kanti, and...

Open access Research Article 10.9734/jsrr/2024/v30i112543

Geospatial Analysis of Soil Fertility in Muzaffarpur District, Bihar, India: Integrating GPS and GIS Technologies

Sanjay Kumar Singh, Techi Tagung, Ajeet Kumar, K. K. Singh, Sanjay Tiwari, Sumedh R. Kashiwar, Alok Kumar, Shweta Kumari & Y. V. Singh · Journal of Advances in Biology & Biotechnology · 2024

The soil fertility maps generated using Global Positioning System (GPS) and Geographic Information Systems (GIS) serve as crucial tools for effective nutrient management decision-making. However, soil fertility data for the Minapur, Kanti, and Marwan blocks of Muzaffarpur distric...

Open access Research Article 10.9734/jabb/2024/v27i71067

Exploring the Impact of Organic-inorganic Coupling on Nutrient Use Efficiency and Cane Yield in Calcareous Soils of the Indo-gangetic Plains of India

Brajesh Kumar, Sanjeew Kumar Sinha, Ajeet Kumar & Amrita Kumari · Journal of Advances in Biology & Biotechnology · 2024

Improving nutrient use efficiency beyond its typical ceiling of 50% is imperative for enhancing sugarcane production and juice quality, while concurrently reducing reliance on synthetic fertilizers and mitigating environmental impact. To address this challenge, a field experiment...

Open access Research Article 10.9734/jabb/2024/v27i6924

Resource Use and Technical Efficiency of Soybean Production in Madhya Pradesh: A Data Envelopment Analysis Approach

Shiva Pujan Singh, Satyam Nema, Ajeet Kumar, Minnatullah & Nishant Kumar · Journal of Advances in Biology & Biotechnology · 2024

The resource use-efficiency of soybean production has been computed using primary data collected from 120 soybean growers spread over two blocks each from two selected district Vidisha and Ujjain of Madhya Pradesh. The Use of “DEA” as an analysis method was adopted for this work....

Open access Research Article 10.9734/jabb/2024/v27i5817

Effect of Dexamathasone in Surgical Extraction of Mandibular Impacted Third Molar

Abdul Hayee Shaikh, Kashif Ali Channar, Ajeet Kumar, Naveed Iqbal, Junaid Shakeel, Uzma Shahid, Shumaila Shaikh, Nayel Syed, Aisha Jabeen, Mirza Tasawer Baig & Imran Qureshi · Journal of Pharmaceutical Research International · 2021

Objective: The objective of this study was to determine the role of dexamethasone in mandibular third molar surgical extraction. Methodology: This cross sectional study was conducted in Oral & Maxillofacial surgery department, Liaquat University of Medical & Health scienc...

Open access Research Article 10.9734/jpri/2020/v32i4731107

Enhancing Wheat (Triticum aestivum) Productivity through Precision Nutrient Management in North Bihar, India

Kamlesh Kumar Singh, Brijesh Kumar, S. K. Singh, Ajeet Kumar, Rabindra Prasad & S. K. Gupta · Journal of Advances in Biology & Biotechnology · 2025

An on-farm trial was conducted during the Rabi seasons of 2015-2016 and 2016-2017 at farmers’ field on pre-selected ten locations of Muzaffarpur district in North Bihar, considering farmers as replication, in order to assess the fertilizer application based on soil testing for th...

Open access Research Article 10.9734/jabb/2025/v28i32119

Climate Change Impact on Fruit Crops and Mitigation through Climate-Smart Production Practices

Suman Kumari, Kamal Kumar Pande, Shüne Movi, Ajeet Kumar, Priyanka Solanki, Rajat Rajput, Juman Das & Reemashree Das · Journal of Scientific Research and Reports · 2024

Climate change poses significant threats to fruit crops worldwide, affecting growth, development, and productivity. Warmer temperatures disrupt flowering patterns, reduce fruit set, and increase pollination failures, leading to lower yields and decreased fruit quality. Climate ch...

Open access Research Article 10.9734/jsrr/2024/v30i102499

Prospect and Challenges of Litchi Cultivation in Northeast Region of India

Suman Kumari, Padminee Das, Kamal Kumar Pande, Ajeet Kumar, Rajat Rajput, Ujjwal Singh, Priya Jaiswal & Priyanka Solanki · International Journal of Plant & Soil Science · 2024

The dynamics of pests affecting litchi crops have undergone changes over time, with litchi mites and bugs becoming less economically significant. However, insect pest infestations have emerged as a major constraint, causing substantial economic losses for growers. Litchi trees ne...

Open access Research Article 10.9734/ijpss/2024/v36i95024

Assessment of Soil Fertility Status in Paroo and Saraiyan Blocks of Muzaffarpur District of Bihar Using GPS and GIS

Sanjay Kumar Singh, Techi Tagung, Sumedh R. Kashiwar, Ajeet Kumar, Sanjay Tiwari, A. K. Singh & Kamlesh Kumar Singh · International Journal of Plant & Soil Science · 2023

The experiment was conducted during 2019‒21 at Paroo and Saraiya blocks of Muzaffarpur district of Bihar, India to identify the nutrients status for crop management. Soil fertility inventory research was carried out in these two identified blocks (Paroo and Saraiyan) for generati...

Open access Research Article 10.9734/ijpss/2023/v35i173187

Disposal Pattern of Vegetables in District Varanasi

Pavan Kumar Singh, Bhartendu Yadav, Harendra Pratap Singh Choudri, Ajeet Kumar & G. P. Singh · Asian Journal of Agricultural Extension, Economics & Sociology · 2021

To analyze the disposal pattern of vegetables in district Varanasi, a purposive cum random sampling technique was used for the selection of district, blocks, villages and the respondents. From the study it is concluded that total disposal of cauliflower was 38.85 quintals, of tom...

Open access Research Article 10.9734/ajaees/2021/v39i1130769

Impact of Institutional Credit on Cropping Pattern and Farm Structure in Fakharpur Block of Bahraich District of Uttar Pradesh

Harendra Pratap Singh Choudhri, G. P. Singh, Supriya ., Ajeet Kumar & P. Mishra · Current Journal of Applied Science and Technology · 2020

Finance in agriculture is as important as development of technology because new technology of farming cannot be adopted at field level by resource poor farmers. This view is also supported by Banerjee [1], Jugale [2] and Kalhon & Karam [3]. But the real picture of Bahraich di...

Open access Research Article 10.9734/cjast/2020/v39i1830766

Understanding Capital Structure in Flower Farms, Varanasi, Uttar Pradesh, India

Pavan Kumar Singh, K. K. Singh, Supriya, Bhartendu Yadav, Ajeet Kumar & Sachin Kumar Verma · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

A study on 120 flower farmers was made in the district Varanasi to analyze the farm structure and investment patterns of the selected farms. A multistage stratified purposive cum random sampling procedure was adopted for the study. Findings reveal that the overall average croppin...

Open access Research Article 10.9734/ajaees/2023/v41i92101

Dairy Farmers in Uttar Pradesh, India: Issues and Approaches

Bhartendu Yadav, Birendra Kumar, Gaurav Tomer, H. P. Singh Choudhri & Ajeet Kumar · Asian Journal of Agricultural Extension, Economics & Sociology · 2022

A purposive cum random sampling technique was adopted to study a sample of 270 dairy farmers in district Sant Kabir Nagar of Uttar Pradesh. It was all done to get acquainted with the constraints associated with the dairy respondents. Lack of technical knowledge and modern practic...

Open access Research Article 10.9734/ajaees/2022/v40i1031121

Obstructive Sleep Apnea (OSA), Overview and Treatment Options: A Review

Najeeb Ullah Ansari, Kaneez Fatima, Suresh Kumar, Waheed Ahmed Arain, Shahnawaz Sarwari & Ajeet Kumar · Journal of Pharmaceutical Research International · 2021

There are different forms of sleep apnea, each with different causes. Fortunately, they are all treatable. 1] Obstructive sleep apnea (OSA) occurs when the muscles and soft tissues in the upper airways relax and become blocked during sleep. It is often accompanied by loud snoring...

Open access Research Article 10.9734/jpri/2021/v33i59B34353

Exploring the Potential of Metallic Nanoparticles for Seed Germination, Growth Enhancement and Disease Tolerance in Naga King Chilli (Capsicum chinense Jacq.)

Chhail Bihari, A. Sarkar, S.P. Kanaujia, C.S. Maiti, P. Alila, S. Banik & Ajeet Kumar · Journal of Advances in Biology & Biotechnology · 2025

A field experiment was carried out during 2022–23 at the Instructional-cum-Research Farm, Department of Horticulture, School of Agricultural Sciences, Nagaland University, Medziphema Campus. The study aimed to enhance seed germination, growth, and disease resistance in Naga King...

Open access Research Article 10.9734/jabb/2025/v28i113270

Unlocking Potential: The Role of Zinc Fortification Combating Hidden Hunger and Enhancing Nutritional Security

Lalita Rana, Navnit Kumar, Jitendra Rajput, Sumit Sow, Shivani Ranjan, Sarita Kumari, Jyostnarani Pradhan, Anil Kumar, S. N. Singh, Ajeet Kumar, CK. Jha, Meenu Kumari, Devendra Singh & Ritwik Sahoo · Journal of Experimental Agriculture International · 2024

Micronutrient shortage is rapidly becoming apparent have drawn more attention in the cultivation of crops. The main causes of this deficit are the introduction of high-yielding varieties, an intensified cropping strategy, and advanced irrigation systems etc. A further aspect cont...

Open access Research Article 10.9734/jeai/2024/v46i102986