M MADHU; M VENKATA RAMANA; S SREEDEVI. Influence of different preceding crops and N levels on productivity and profitability of zero-till rabi castor (Ricinus communis L.): INFLUENCE OF DIFFERENT PRECEDING CROPS AND N LEVELS ON ZERO-TILL RABI CASTOR. Journal of Oilseeds Research, India, v. 34, n. 3, 2017. DOI: 10.56739/jor.v34i3.137758. Disponível em: https://epubs.icar.org.in/index.php/JOR/article/view/137758. Acesso em: 20 oct. 2025.