M MADHU and M VENKATA RAMANA, “Effect of preceding crops on growth and yield of zero-till rabi castor (Ricinus communis L.) under different nitrogen levels: EFFECT OF PRECEDING CROPS ON GROWTH AND YIELD OF ZERO-TILL RABI CASTOR”, J. Oilseeds. Res., vol. 34, no. 2, Jul. 2017, doi: 10.56739/jor.v34i2.137705.