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A. Ashok Kumar

Publications (16)

Development and Evaluation of Multifunctional Tillage Implement

A. Ashok Kumar, C. Anil Kumar, V. Chakrapani, D. Rajesh & N. Seshagiri Rao · Current Journal of Applied Science and Technology · 2022

To improve the mechanization level in India, a low-cost tractor that can be afforded by a normal farmer and also suitable for Indian land size is very much required. One way to reduce the cost of mechanization is optimum utilization of the tractor power for any agricultural opera...

Open access Research Article 10.9734/cjast/2022/v41i3031807

Development and Evaluation of Low Pressure Multi Briquetting Machine for Rural Areas

A. Ashok Kumar, R. Jhansi, U. Harsha Vardhan, S. M. Gousia, A. Kesav Kumar & C. Ramana · Current Journal of Applied Science and Technology · 2019

A hand operated low pressure biomass multi briquetting machine was developed and evaluated which works using a screw press mechanism. The developed system mainly consists of multi square moulds, multi circular moulds, single circular mould pressing plates, base plate, supporting...

Open access Research Article 10.9734/cjast/2019/v34i130113

Roto-planter Systems for Single-pass Crop Establishment: A Machine System-level Review

G. Sindhuja, A. Ashok Kumar, A. Srinivasa Rao & Ch. Someswara Rao · Journal of Experimental Agriculture International · 2026

Roto-planters, which integrate rotary tillage and seed placement into a single pass, have emerged as a promising solution to reduce fuel consumption, labour requirement and field time in crop establishment. Although extensive research exists on rotavators and planters individuall...

Open access Research Article 10.9734/jeai/2026/v48i34103

Development of Active - Passive Combination of Tillage Implement Suitable for Mini Tractor

T. Mahesh Babu, A. Ashok Kumar, K.V.S Rami Reddy & H.V. Hema Kumar · Journal of Scientific Research and Reports · 2024

An experimental tillage tool, which integrates active - passive implements (cultivator tines in the front and a rotavator in the rear), was evaluated in the field. The forward-rotating active elements produced a negative draft, significantly reducing the overall draft requirement...

Open access Research Article 10.9734/jsrr/2024/v30i82249

Development of Passive-Passive Combination Tillage Implements Suitable for Mini-Tractor

T. Mahesh Babu, A. Ashok Kumar, K. V. S. Rami Reddy & H. V. Hema Kumar · Current Journal of Applied Science and Technology · 2020

Indian agriculture account for nearly 14.2% of the gross domestic product and involves over 58.2% of population. The biggest challenge before the agriculture sector of India is to meet the growing demands of food for its increasing population from 1.21 billion in the year 2011 to...

Open access Research Article 10.9734/cjast/2020/v39i2430868

Development and Evaluation of a Microcontroller-Based Precision Cotton Planter for Improved Seed Spacing and Metering Performance

G. Anitha, K. V. S. Rami Reddy, A. Ashok Kumar & L. Edukondalu · Journal of Scientific Research and Reports · 2026

Precision planting plays a vital role in improving crop establishment and optimizing input utilization in modern agriculture. The present study focuses on the development and evaluation of a microcontroller-based electronic control unit (ECU) integrated with a cotton seed planter...

Open access Research Article 10.9734/jsrr/2026/v32i54166

Experimental Evaluation of Thermal Performance of a Propane Flame Weeding System under Varying Operating Conditions for Sustainable Agriculture

G. Sindhuja, K. V. S. Rami Reddy, A. Ashok Kumar, S. Vishnuvardhan, K. Srinivasulu & Ajith Jubilson · International Journal of Environment and Climate Change · 2026

Flame weeding is a promising non-chemical technique for weed control, wherein thermal energy is applied to plant tissues for a short duration to induce cellular damage. The present study evaluated the thermal performance of a propane-based flame weeding system under varying opera...

Open access Research Article 10.9734/ijecc/2026/v16i45394

Study the Physical Properties of Fertilizers and Plant Basin Parameters to Design the Tractor Operated Round Basin Maker cum Fertilizer Applicator for Orchard Crop

M. Vinayak, B. Hari Babu, A. Ashok Kumar, M. Madhava, N. Ratna Kumari & C. Ramana · Journal of Scientific Research and Reports · 2024

The physical form of fertilizer production is of extremely importance, both agronomically and in regard to satisfactory handling, transport, storage, and finally application to the field. The improvement of equipment for handling, storage, and application of granular fertilizer r...

Open access Research Article 10.9734/jsrr/2024/v30i51965

Design of a Pendulum Impact Cutter to Measure Plant Stalk Cutting Force and Energy

S. Rahaman, B. Hari Babu, A. Ashok Kumar, K. Madhusudhana Reddy & V. Srinivasa Rao · Journal of Scientific Research and Reports · 2024

Aims: A research study was conducted to examine how the blade type, cross-sectional area of stalks and moisture content of the crop is affecting the cutting energy and cutting force needed for the harvesting of blackgram and greengram stalks. A pendulum impact cutter was develope...

Open access Research Article 10.9734/jsrr/2024/v30i11824

Investigation of Physical Properties of Turmeric Rhizomes About to Design a Metering Mechanism for Turmeric Planting

Regatti Venkat, K. V. S. Rami Reddy, A. Ashok Kumar, R. Ganesh Babu & Ch. Someswara Rao · Current Journal of Applied Science and Technology · 2023

Aims: Turmeric production is facing the labour shortage during peak operations like planting and harvesting. There are different methods in turmeric planting which require different amount of manual energy. The objective of the study was to investigate the physical properties of...

Open access Research Article 10.9734/cjast/2023/v42i434277

Performance Evaluation of Single Row-Low Horse Power Tractor Operated Vegetable Transplanter

Mattaparthi Lakshmi Durga, A. Srinivasa Rao & A. Ashok Kumar · Current Journal of Applied Science and Technology · 2020

Mini tractor (18 hp) operated single row vegetable transplanter was developed for Tomato and Brinjal crop transplanting. A simple rotating magazine type metering system was attached to the transplanter. The performance evaluation was done in was 20× 10 m at 1.0, 1.5 and 2.5 km/h....

Open access Research Article 10.9734/cjast/2020/v39i4431149

Development of Process Technology for Tamarind Pulp Powder Using Spray Drying

V. Sowjanya, K. Lavanya, N. Vinoda & A. Ashok Kumar · European Journal of Nutrition & Food Safety · 2026

The present study aimed to optimise the spray-drying conditions for the production of tamarind pulp powder using different carrier materials and inlet air temperatures. The sticky nature of tamarind pulp presents challenges during spray drying, necessitating the use of suitable e...

Open access Research Article 10.9734/ejnfs/2026/v18i72107

Flood Frequency Analysis of Araniar Medium Irrigation Project in Chittoor District by using Gumbel's Distribution

P. Sambasiva Rao, M. V. Ramana, K. Madhusudhana Reddy & A. Ashok Kumar · International Journal of Environment and Climate Change · 2022

Flood frequency analysis is one of the most important statistical technique to understand the nature and magnitude of high discharge of floods in the river. The objective of flood frequency analysis was to relate the magnitude of floods and their frequency of occurrence through p...

Open access Research Article 10.9734/ijecc/2022/v12i1131004

Long-term Trend Analysis of Agrometeorological Variables and their Influence on Sugarcane Productivity in North Coastal Andhra Pradesh, India (1991–2024)

Ch. Apparao, A. Mani, K. Krupavathi, S. Prathibha Sree & A. Ashok Kumar · Journal of Scientific Research and Reports · 2026

Agrometeorological variables such as temperature, rainfall, sunshine hours, and evaporation strongly influence sugarcane growth and productivity. Long-term changes in these variables can affect crop performance and agricultural planning. This study examines trends in key agromete...

Open access Research Article 10.9734/jsrr/2026/v32i64241

Calibration and Validation of the APSIM Model for Sugarcane Yield Simulation and Climate Change Impact Assessment in Coastal Andhra Pradesh, India

Ch. Apparao, A. Mani, K. Krupavathi, S. Prathibha Sree & A. Ashok Kumar · International Journal of Environment and Climate Change · 2026

Sugarcane (Saccharum officinarum L.) is a strategically important agro-industrial crop, and its productivity is increasingly threatened by climate variability and climate change. This study calibrated and validated the Agricultural Production Systems Simulator (APSIM) for sugarca...

Open access Research Article 10.9734/ijecc/2026/v16i55464

Development and Optimization of Operational Parameters for Tractor-Operated Boom Sprayer for Field Crops

Manojkumara, Arudra Srinivasarao, B. Raj Kiran, K. Krupavathi, A. Ashok Kumar & K. V. S. Rami Reddy · International Journal of Environment and Climate Change · 2023

Spraying is a crucial practice in agriculture, especially for the application of chemical pesticides that play a vital role in protecting crops. However, there has been a worrisome rise in the annual consumption of pesticides, leading to significant concerns. The excessive use of...

Open access Research Article 10.9734/ijecc/2023/v13i102762