T. S. SOHAL AND S. L .. MAKKAR. EXTENT OF ADOPTION OF SOIL TESTING IN LUDHIANA ·BLOCK. Indian Journal of Extension Education, India, v. 9, n. 3&4, 2024. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/160373. Acesso em: 23 oct. 2025.