SURENDRA SINGH, Anukul Tripathi. Phosphorus and Zinc Availability in Alkali Soils as Influenced by Application of Graded Levels of Gypsum. Journal of the Indian Society of Soil Science, India, v. 67, n. 1, 2019. Disponível em: https://epubs.icar.org.in/index.php/JISSS/article/view/90490. Acesso em: 6 jun. 2026.