Moro, E., Crusciol, C. A. C., & Carvalho, L. L. T. de. (2011). Times of nitrogen fertilization for castor bean hybrids under no-till system in off-season. Semina: Ciências Agrárias, 32(2), 391–410. https://doi.org/10.5433/1679-0359.2011v32n2p391