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U. P. Singh

Publications (7)

Intercomparison of Crop Establishment Methods and the Efficacy of ZnO Nanoparticles on Crop Growth and Plant Stand in Rice under the Rice–Wheat System in the Eastern Indo-Gangetic Plains

Deeptirekha Mahapatra, U. P. Singh, Nikhil Kumar Singh, Dibyajyoti Panda, Anurag Upadhyay, Ankur Singh, Shreyas Bagrecha, D. Udaya Lakshmi & Sitesh Jha · Journal of Advances in Biology & Biotechnology · 2025

This two-year field study (2023 and 2024) carried during kharif season at BHU, Varanasi investigated the comparative effects of conservation agriculture-based versus conventional agriculture practices and zinc management strategies (ZnO nanoparticles versus conventional ZnSO4) on...

Open access Research Article 10.9734/jabb/2025/v28i103124

Effect of Conservation Agriculture-based Crop Establishment Options on Rice Growth in Rice-wheat System

Kajal Verma, U. P. Singh, Nikhil Kumar Singh, Anurag Upadhyay & Sitesh Jha · International Journal of Plant & Soil Science · 2025

Rice accounts for over 40% of India's total crop production, thereby reinforces the country's food security. However, rice production in India faces several challenges like high consumption of water, labour, and energy, which are becoming scarcer and more costly. Keeping above fa...

Open access Research Article 10.9734/ijpss/2025/v37i85630

Influence of Integrated Nitrogen and Weed Management Practices on Crop-weed Competition and Nutrient Depletion in Direct Seeded Rice

Shiv Poojan Yadav, U. P. Singh, Harsita Nayak, Sadhana Kumari & Tikendra Kumar Yadav · International Journal of Environment and Climate Change · 2025

A trial was conducted during 2019-20 and 2020-21 at BHU, Varanasi, to study the effect of integrated nitrogen and weed management on weeds in dry direct seeded rice. The main plot treatments consisted of four nitrogen management practices viz. Control (only P and K), RDF (100% RD...

Open access Research Article 10.9734/ijecc/2025/v15i44814

Impact of Crop Establishment and Nutrient Management on Wheat Growth under Rice-Wheat System

Anurag Upadhyay, U. P. Singh, Nikhil Kumar Singh, Nihal Chandra Mahajan, Kajal Verma & Sitesh Jha · International Journal of Plant & Soil Science · 2024

The rice-wheat system contributes significantly to India's food security. The system's significance is properly handled from time to time, but excessive resource consumption, yield stagnation, environmental deterioration including erosion, and nutrient mining pose the greatest ch...

Open access Research Article 10.9734/ijpss/2024/v36i84915

Effect of Crop Establishment Methods and Precision Nutrient Management on Growth, Yield Attributes and Yield of Rice under Rice-wheat System

Anurag Upadhyay, U. P. Singh, Nikhil Kumar Singh, Nihal Chandra Mahajan, Kajal Verma, Sitesh Jha & Riju Pratap Singh · International Journal of Plant & Soil Science · 2024

Rice-wheat system is the major contributor in food security of India. The significance of the system is well addressed by time to time but, excessive use of resources, stagnation in yield, environment deterioration including erosion and nutrient mining are the greater challenge i...

Open access Research Article 10.9734/ijpss/2024/v36i74758

Effect of Tillage and Residue-based Conservation Agriculture Practices on Growth and Yield Attributes of Wheat-rice Cropping System in an Inceptisol

Kajal Singh, Y. V. Singh, U. P. Singh & Shubham Jaiswal · International Journal of Plant & Soil Science · 2026

The sustainability of the wheat–rice cropping system in the Indo-Gangetic Plains is constrained by intensive tillage, residue burning, and declining soil fertility. This study evaluated six tillage- and residue-based crop establishment practices, including mungbean integration, f...

Open access Research Article 10.9734/ijpss/2026/v38i96283

Weed Management Studies in Wheat (Triticum aestivum L.) Through New Herbicide Molecule Aclonifen 600 SC under Climate Changing Era

M. B. Reddy, Abhishek Nanda, Vasireddy Manichandana, Avaneesh Kumar, Gorantla Prathap Reddy, N. K. Singh & U. P. Singh · International Journal of Environment and Climate Change · 2023

Changing climate aggregates, the problem of weed management by rapid weed flora shift and resistance development. In these conditions, the best option is to use new herbicide molecules with a diverse mode of action and a wider application time window.   Thus, an herbicidal trial...

Open access Research Article 10.9734/ijecc/2023/v13i92360