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Devendra Kumar

Publications (18)

Comparative Evaluation of the Effects of Various Bio-Regulators on Flowering and Yield Attributes of African Marigold (Tagetes erecta L.) cv. Pusa Narangi Gainda

Devendra Kumar, Suraj Prakash, D. Nagaraju, Ramanand Patel, Pramila, Satish Chandra Narayan, Bishwa Protim Hazarika & Akash Shukla · Journal of Advances in Biology & Biotechnology · 2026

African marigold (Tagetes erecta L.) is an important commercial flower crop widely cultivated for ornamental, religious, and industrial purposes; however, its flowering and yield are greatly influenced by plant growth regulators and environmental conditions. This investigation, w...

Open access Research Article 10.9734/jabb/2026/v29i64004

Biodegradable Index and Earthworm Population in Vermicompost: Influence of Substrates, Composting Period and Rock Phosphate Enrichment

Devendra Kumar, Rajesh Kumar, Amit Kumar Pandey, Jyothi V, Sima Kumari & Rajkishore Kumar · International Journal of Environment and Climate Change · 2025

Vermicomposting is a sustainable technique for converting organic waste into high-quality vermicompost using earthworms. This study investigated the effects of different substrates, composting periods, and enrichment with rock phosphate on the biodegradable index (BI) and earthwo...

Open access Research Article 10.9734/ijecc/2025/v15i95003

Effect of Iron and Boron on Growth, Flowering and Corm Characters in Gladiolus cv. Malaviya Shatabdi

Devendra Kumar, Anjana Sisodia, Anil K. Singh, Mandeep Singh & Yatharth Vijayvargia · International Journal of Plant & Soil Science · 2025

A study was conducted to determine the optimal iron and boron dosage for enhancing growth, flowering and corm yield in gladiolus (Gladiolus spp. cv. Malaviya Shatabdi). The experiment took place at the Horticulture Research Farm, Department of Horticulture, Institute of Agricultu...

Open access Research Article 10.9734/ijpss/2025/v37i65496

Effect of Cell Free Microbial Bio-Stimulant on Growth, Yield and the Microbial Activity of Tomato (Solanum lycopersicum L.) Grown in Vertisol

Devendra Kumar, Dayashankar Baghel, Rakesh Banwasi, Anup Kumar Singh & Ravindra Soni · Journal of Experimental Agriculture International · 2023

A field experiment was conducted to find out the effect of a cell-free microbial biostimulant on growth, yield, and the microbial activity of tomato (Solanum lycopersicum L.) grown in a field during the rabi season (December–April) of 2021–22 at the Instructional Cum Research Far...

Open access Research Article 10.9734/jeai/2023/v45i82160

Two-phase MHD Flow through Porous Medium with Heat Transfer in a Horizontal Channel

Devendra Kumar, B. Satyanarayana, Rajesh Kumar, Bholey Singh & R. K. Shrivastava · Asian Research Journal of Mathematics · 2020

The present study deals with two layered MHD immiscible fluid flow through porous medium in presence of heat transfer through parallel plate channel. The fluids are incompressible, and flow is fully developed. The fluids are of different viscosities and thermal conductivities so...

Open access Research Article 10.9734/arjom/2020/v16i1030232

Generalized Growth and Approximation of Pseudoanalytic Functions on the Disk

Devendra Kumar, Vandna Jain & Balbir Singh · Journal of Advances in Mathematics and Computer Science · 2013

McCoy [20] considered the approximation of pseudoanalytic functions (PAF) on the disk. Pseudoanalytic functions are constructed as complex combination of real - valued analytic solutions to the Stokes-Beltrami System. These solutions include the generalized biaxisymmetric potenti...

Open access Research Article 10.9734/BJMCS/2014/4086

Integrated Nutrient Management Enhances Growth, Floral Productivity, Postharvest Quality, and Economic Returns in African Marigold (Tagetes erecta L.) cv. Pusa Narangi Gainda

Suraj Prakash, Devendra Kumar, Ashutosh Kumar, Ratul Moni Ram, Bhagyashree Paul, Ravinder Kaur, Mohit Kashyap & Abhinash Moirangthem · Journal of Advances in Biology & Biotechnology · 2026

A field experiment was conducted at the Horticulture Research Farm–I, Babasaheb Bhimrao Ambedkar University, Lucknow, during the Rabi season of 2021–2022 to evaluate the effects of integrated nutrient management on the growth, flowering, yield, seed production, postharvest behavi...

Open access Research Article 10.9734/jabb/2026/v29i94293

Infinite Matrix Operator, Spline Wavelet Coefficient and Frames

N. A. Sheikh, Devendra Kumar & Mobin Ahmad Syed · Journal of Advances in Mathematics and Computer Science · 2015

In this paper we study the action of A on f  ( the spline of order n with nodes az+) and on its wavelet coefficients, where A = is a double infinite matrix operator in a Hilbert space l 2(z+). Also, we make an attempt to find frame conditions for A-transform of f.

Open access Research Article 10.9734/BJMCS/2015/4843

Effect of Different Seed Priming Techniques on Growth, Flowering and Seed Attributes in Balsam (Impatiens balsamina)

Anjana Sisodia, Sahil, Anil K. Singh, Devendra Kumar, Arun Kumar Maurya & Anurag Srivastav · International Journal of Plant & Soil Science · 2025

The present experiment was carried out at the Horticulture Research Farm, Department of Horticulture, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, in balsam (Impatiens balsamina) using Factorial Randomized Block Design (RBD) comprising of...

Open access Research Article 10.9734/ijpss/2025/v37i75567

Assessment of Storage-Induced Quality Changes in Freeze-Dried Chicken Liver and Heart Protein Hydrolysates Produced by Lactobacilli Fermentation

Bedika Bora, Ashim Kumar Biswas, Devendra Kumar, Faslu Rahman CK, Anand TS & Adis Mirel Ahmed · Journal of Advances in Microbiology · 2025

The present study evaluated the storage stability of Lactobacillus helveticus (NCDC-292) fermented, freeze-dried chicken liver and heart protein hydrolysates. The resulting chicken liver hydrolysate powder (CLHP) and chicken heart hydrolysate powder (CHHP) were stored aerobically...

Open access Research Article 10.9734/jamb/2025/v25i5929

Leveraging Artificial Neural Networks for Rainfall Prediction in Medak District, Central Telangana, India

Kota Spandana, Aribam Priya Mahanta Sharma, Devendra Kumar & Vijay Kumar Singh · International Journal of Environment and Climate Change · 2025

This study explores the application of artificial neural networks (ANNs) for monthly rainfall prediction at the Medak station in Central Telangana, India. A total of 113 years of rainfall data was utilized, with 85 years (January 1901 to December 1985) used for model training and...

Open access Research Article 10.9734/ijecc/2025/v15i44824

Effect of Sucrose, Salicylic Acid (SA), Sulfosalicylic Acid (SSA), Silver Nano and Ajwain E.O on Vase Life of Single Tuberose (Polianthes tuberosa L.)

Kumari Anjali, Sunil Kumar, Devendra Kumar, Niranjan Singh & Hitesh Kumar · Archives of Current Research International · 2024

Tuberose is a highly valued flower known for its vibrant colors, elegance, and captivating fragrance. It is prominent in floral arrangements, both as a cut flower and in the perfume industry. Despite its visual appeal, tuberose flowers have a relatively short shelf life. To addre...

Open access Research Article 10.9734/acri/2024/v24i11960

Combined Effect of Nitrogen and Phosphorus Fertilizer on the Activity of the Nitrate Reductase Enzyme in Different Wheat Cultivars

Pramod Kumar Sharma, Rekha Gurjar, Manoj Kumar, Devendra Kumar & Amarnath Dabaria · International Journal of Environment and Climate Change · 2023

Some characteristics of nitrogen metabolism were observed in the flag leaf on the main branch of wheat (Triticum aestivum L. and Triticum durum L.) In the current study, nine varieties were chosen and planted as test crop using split plot design and replicate at three times, with...

Open access Research Article 10.9734/ijecc/2023/v13i11667

Multi-temporal SPI and RDI Based on the Modified Meteorological Draught and Hydrological Drought of Marathwada Region of Maharashtra, India

Avanish Yadav, Ashish Krishna Yadav, Pramod Kumar Singh & Devendra Kumar · International Journal of Environment and Climate Change · 2022

The meteorological and hydrological drought indices are mostly applying as a tool for observing changes in drought situations. In the present research work, evaluated the performance of two modified meteorological drought indices i.e. modified standardized precipitation index (SP...

Open access Research Article 10.9734/ijecc/2022/v12i121596

Effect of Nitrogen and Phosphate Fertilizer on Phosphorus Uptake and Phosphorus Use Efficiency in Some of Wheat Varieties (T. aestivum and T. durum)

Pramod Kumar Sharma, R. Elanchezhian, Rekha Gurjar, Rajesh Choudhary, Devendra Kumar & Rupesh Yadav · International Journal of Environment and Climate Change · 2023

A field experiment was carried out in a subtropical region of India. The main purpose of this experiment was to grow different wheat genotypes under different nutrient doses and find out which genotype performed better in terms of yields and other attributes under nutrient constr...

Open access Research Article 10.9734/ijecc/2023/v13i21658

Evaluation of Different Fungicides and Bioagents for the Management of Chickpea Wilt (Fusarium oxysporum f. sp. ciceri)

Seethiya Mahajan, Deepak Kumar, Santosh Kumar Singh, Deepak Mahajan, Devendra Kumar & Shazia Paswal · Current Journal of Applied Science and Technology · 2020

The incidence of the chickpea wilt disease caused by Fusarium oxysporum f. sp. ciceri ranged between 8.11 - 21.67 and 10.98 - 23.99 per cent with an overall mean disease incidence of 15.64 and 16.86 per cent respectively during Rabi seasons of 2016-17 and 2017-18 in surveys condu...

Open access Research Article 10.9734/cjast/2020/v39i1430693

Impact of Trichoderma, Manure and Fertilizer on Flower Yield and Postharvest Traits in Rose under Polyhouse

Anil K. Singh, Mandeep Singh, Anjana Sisodia, Sahil, Anurag Srivastav, Devendra Kumar & Yatharth Vijayvergia · Annual Research & Review in Biology · 2025

The floriculture sector in India is experiencing rapid expansion driven by heightened demand, export opportunities and improvements in cultivation techniques. Among the most commercially valuable crops are roses, often referred to as the 'King of Flowers,' whose quality and yield...

Open access Research Article 10.9734/arrb/2025/v40i72273

In vitro Evaluation of the Compatibility between Bactericides, Bioagents with Alkaloid Rich Fractions

Sanjeev Jakatimath, K. C. Kiran Kumar, R. K. Mesta, Raghavendra S, Raghavendra G, Mahantesh P.S, Shruti P Gondi, Archana T S & Devendra Kumar · Journal of Advances in Biology & Biotechnology · 2024

The bacterial blight of pomegranate caused by Xanthomonas axonopodispv. Punicae has become a conceivably dangerous infection. Though, the chemical management is efficient, their hazardous effects restrict them for their usage. In this context use of different parts of Prosopis ju...

Open access Research Article 10.9734/jabb/2024/v27i111672