1.
Farias I, Lira M de A, Santos DC dos, et al. Harvest managing and plant spacing of spinelles fodder cactus, under grain sorghum intercropping at the semi-arid region of Pernambuco State, Brazil. PAB. 2000;35(2):341-347. doi:10.1590/S1678-3921.pab2000.v35.5759