Chemical properties in Entisol under pasture grass marandu fertilizer of liquid waste of bovine slaughter
DOI:
https://doi.org/10.5433/1679-0359.2013v34n3p1099Keywords:
Organic fertilization, Brachiaria brizantha, Effluent industry meat, Soil chemistry.Abstract
This study was conducted to evaluate the effect of liquid waste of bovine slaughter (RLF) on the chemical characteristics of a Entisol under pasture grass Marandu. We applied four levels of RLF (0, 37.5, 75, 112.5 m³ ha-1). The experimental design was randomized blocks. The soil samples were collected at 0-10, 10-20, 20-30, 30-40 cm, deep five replicates, which were analyzed in pH, available P and K+, Ca2+, Mg2+ and Al3+, CTCpH7,0, CTCeffective, organic matter content and potential acidity (H+ Al3+). We calculated the saturation of exchangeable bases (V%) and aluminum (m%). The applications of RLF in doses of 75 and 112.5 m³ ha-1 reduced the pH and level of Al3+. We observed increased of the value the V% at 0-10 cm and CTCeffective in 10-20 cm. The organic matter content had no significant increases for the implementation of RLF. The Mg2+ increased in the 30-40 cm layer at 112.5 m³ ha-1. The results suggest that application of 37.5 m³ ha-1 increases the pH and Ca2+ and K+ at a depth of 0-10 cm and the value of CTCpH7,0 to 30 cm. The pH, total bases, CTC, CTCpH 7,0 , saturation on base, K+, Ca2+, Mg2+ were influenced by the depth with higher values in the 0-10 cm depth compared with other in all the treatments.
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