Improvement of soil health and nutrient transformations under balanced fertilization with integrated nutrient management in a rice-wheat system in Indo-Gangetic Plains – A 34-year... oleh Sohan Singh Walia, Salwinder Singh Dhaliwal, Roopinder Singh Gill, Tamanpreet Kaur, Karmjeet Kaur, Mehakpreet Kaur Randhawa, Oliver Obročník, Viliam Bárek, Marian Brestic, Ahmed Gaber, Akbar Hossain