MANN KK, BRAR BS, DHILLON NS. Influence of long-term use of farmyard manure and inorganic fertilizers on nutrient availabiIity in a Typic Ustochrept. Indian J Agri Sci [Internet]. 2011 Jan. 8 [cited 2025 Oct. 25];76(8). Available from: https://epubs.icar.org.in/index.php/IJAgS/article/view/3036