Upender Singh

Sustainable Productivity and Profitability Enhancement through Liquid Organic Manures in a Pea, Spinach and Coriander Cropping Sequence

Ritika Gautam, Upender Singh, Shradha Chauhan, Ashish Kumar, Priyanshu & Riya · Journal of Scientific Research and Reports · 2026

A two-year field experiment was undertaken to assess the effect of integrated use of cow-based liquid organic manures, specifically Ghanjeevamrit (at 0.5, 1.0, and 1.5 t/ha) and Jeevamrit (10%, 20%, and 30% concentrations) on soil health, crop productivity and economic returns un...

Open access Research Article 10.9734/jsrr/2026/v32i34057

Quality Improvement in Tomato through Integrated Application of Nano and Conventional Fertilizers in Mid-Hill Conditions of Himachal Pradesh, India

Shradha Chauhan, Upender Singh, Uday Sharma, Ritika Gautam, Yashika Mandela & Naman Pathania · Asian Journal of Soil Science and Plant Nutrition · 2025

Background: The overuse of conventional fertilizers in tomato cultivation has led to reduced nutrient use efficiency and environmental concerns. Integrating nano-fertilizers with conventional sources offers a sustainable approach to enhance fruit quality and nutrient efficiency u...

Open access Research Article 10.9734/ajsspn/2025/v11i2540