1.
Sat Pal Saini* SM and. Evaluation of Nutrient Index using Manganese as a Measure of Fertility Status of Soils under Different Cropping Systems of Punjab in North-Western India. JISSS [Internet]. 2021 Feb. 26 [cited 2025 Oct. 20];68(4). Available from: https://epubs.icar.org.in/index.php/JISSS/article/view/110853