1.
Díaz MIH, Laffita MC, Placeres VM, Veloz AO, Pulido JMS, Guerrero OB. Nitrogen-potassium ratios in fertirrigation for protected cultivation of tomato in Red Ferralitic soil. PAB. 2010;44(5):429-436. doi:10.1590/S1678-3921.pab2009.v44.1917