Gangopadhyay, Bandyopadhyay S, Maitra AK. Management of calcareous soils of Ushar lands of North Bihar plain. Ind. Farming [Internet]. 2023 Nov. 30 [cited 2025 Oct. 30];73(10):03-7. Available from: https://epubs.icar.org.in/index.php/IndFarm/article/view/116272