Ranjan Kumar

Comparative Assessment of Soil Physicochemical Properties across Active Mining, Logistics, Peripheral and Agricultural Zones in the North Karanpura Coalfield, Jharkhand, India

Ranjan Kumar, Aakriti Kumari, Sinu Dayal, Sandeep Prasad & Namita Lal · Asian Research Journal of Agriculture · 2026

This study evaluates differences in topsoil physicochemical properties among four techno-ecological settings in the North Karanpura Coalfield, Jharkhand, India: an active opencast mining site (Amrapali), a coal-logistics zone on reclaimed land (Piparwar village), a mining-periphe...

Open access Research Article 10.9734/arja/2026/v19i4931

A Critical Review of Microplastic Contamination in Agricultural Soils and its Potential Risks to Crops and Human Health

Ranjan Kumar, Sandeep Prasad & Namita Lal · Asian Journal of Environment & Ecology · 2026

Microplastic contamination of agricultural soils has moved from a largely conceptual concern to an empirically documented component of terrestrial pollution. Agricultural plastic films, sewage sludge, compost and other organic amendments, irrigation water, atmospheric deposition,...

Open access Research Article 10.9734/ajee/2026/v25i91025

Experimental Investigation on Sustainable Soil Stabilization Using Coconut Coir Fibre

Ranjan Kumar, Asha Joseph & Athira Poltharan · Journal of Scientific Research and Reports · 2026

As urbanization grows, engineers increasingly turn to fiber-reinforced soil, utilizing natural and synthetic fibers to enhance its strength, stability, and sustainability. However, limited experimental studies have systematically evaluated the influence of coconut coir fibre cont...

Open access Research Article 10.9734/jsrr/2026/v32i34063