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Subrata Karmakar

Publications (5)

Enhancing Mechanization of Paddy Cultivation for Small Scale Farmers

Sunil Kumar & Subrata Karmakar · Journal of Experimental Agriculture International · 2025

Power tiller-operated machines may play an important part in paddy cultivation for small-scale farming systems because the average holding size is close to 1 ha and more than 86% of India's farming population is small and marginal farmers. A power tiller-operated strip-till multi...

Open access Research Article 10.9734/jeai/2025/v47i93746

Engineering Properties of Maize, Groundnut and Paddy Seeds for the Design of Seed Metering Mechanism of Multi Crop Planter

Sunil Kumar & Subrata Karmakar · Journal of Scientific Research and Reports · 2025

Physical and engineering properties of agricultural grains are necessary for the design of seeding, planting, storage, handling and processing equipment. The present study was undertaken to study the physical and mechanical properties of maize (Hybrid: Yuvraj Gold), groundnut (TA...

Open access Research Article 10.9734/jsrr/2025/v31i73296

Mechanization of Groundnut Cultivation for Small Holder Farming Community

Sunil Kumar & Subrata Karmakar · Journal of Scientific Research and Reports · 2025

Groundnut also known as peanut is one of the world’s fifteen leading food crops and cultivated throughout the world. It is consumed in many ways such as vegetable cooking oil, kernels, roasted nuts, salted nuts, milk, butter, cheese, bakery products etc. Groundnut can be cultivat...

Open access Research Article 10.9734/jsrr/2025/v31i73292

Comparative Study of Power Tiller Operated Machines for Small Holders Farming in Conservation Agriculture

Sunil Kumar & Subrata Karmakar · Journal of Experimental Agriculture International · 2024

Timeliness is very crucial in all farm operations in general and in seeding and planting in particular. Slightly delay in sowing operation may lead to tremendous loss in production, productivity and sometimes quality of the grains followed by plant health. Power tiller operated m...

Open access Research Article 10.9734/jeai/2024/v46i123118

Optimization of Happy Seeder Performance Parameters for Wheat Sowing under Anchored Stubble

Kingshuk Sarkar, Suvendu Bhattacharjee, Subrata Karmakar, Anupam Sahoo, Moinuddin Sk., Snehasish Bhunia & Sunil Kumar · Journal of Scientific Research and Reports · 2025

Rice straw, the leftover residue after harvesting paddy, has become a growing problem for farmers and the environment. Due to the short turnaround time between rice harvesting and wheat sowing, farmers burn the straw in their fields to save time and labor. The happy seeder, allow...

Open access Research Article 10.9734/jsrr/2025/v31i93475