Santa Catarina State, in the South region of Brazil, has 713 thousand hectares of pine forests. Harvesting operations of this species can degrade the soil, especially when carried out on very wet soil ...

1985; Goldberg, 2004) due to anthropic activity (fertilization and irrigation). Boron content in the soil solution is usually controlled by adsorption reactions ( Goldberg, 1997). Su and Suarez (1995) ...

As Phosphorus (P) is relatively immobile in the soil and soluble P fertilizers added to soil become fixed over time (Hinsinger, 2001; Richardson et al., 2009), crops only utilize less than 30% of P ...