[1]
G. Crespo, T. E. Ruiz, y J. ?lvarez, «Effect of green manure from Tithonia (T. diversifolia) on the establishment and production of forage of P. purpureum cv. Cuba CT-169 and on some soil properties», Cuban J. Agric. Sci., vol. 45, n.º 1, mar. 2011.