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Rajkishore Kumar

Publications (4)

Impact of Varying Sulfur and Zinc Levels on Linseed Growth, Yield and Soil Properties in Eastern India

Gaurav Kumar Yadav, Janardan Prasad, Radhey Shyam & Rajkishore Kumar · International Journal of Environment and Climate Change · 2025

A field experiment was conducted during rabi 2021-22 at Bhola Paswan Shastri Agricultural College Farm in Purnea, Bihar to investigate the effects of different levels of sulfur (0, 20, 40, and 60 kg/ha) and zinc (0, 5, and 10 kg/ha) on the growth, yield along with sulfur and zinc...

Open access Research Article 10.9734/ijecc/2025/v15i105067

Soil-Based Nutrient Management Strategies for Jute Cultivation in Kosi Region, Bihar, India

Vinod Kumar Singh, Pavan Shukla, Sonam Roy, M. D. Ojha, Jyothi V. & Rajkishore Kumar · Journal of Experimental Agriculture International · 2026

Alluvial soils with sandy calcic subsoils can constrain nutrient availability for jute through leaching, fixation, and redox-driven transformations, necessitating pedologically informed fertility management. This study characterised the vertical patterns of soil reaction, organic...

Open access Research Article 10.9734/jeai/2026/v48i84407

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

Influence of Conservation Tillage Practices and Irrigation Levels on Nutrient Dynamics and Uptake in Wheat

Shruti Priya, Mahesh Kumar Singh, Birendra Kumar, Sanjay Kumar, Awadhesh Kumar Pal, Rajkishore Kumar, J.N Srivastava & Sima Kumari · International Journal of Environment and Climate Change · 2025

Wheat (Triticum aestivum L.) is a crucial cereal crop cultivated globally owing to its adaptability to diverse climatic and edaphic conditions. The present study was conducted to assess the performance of wheat under different tillage practices and irrigation regimes to enhance p...

Open access Research Article 10.9734/ijecc/2025/v15i84978