Soil quality in an agroforestry system influenced by organic fertilization

Abstract

The objective of this study was to evaluate the Soil Quality Index in an agroforestry system
in Glimicídia alleys sepium with forage palm under organic fertilization. The experiment was
conducted at the Experimental Station of Farm Miguel Arraes, located in the city of Campina
Grande - PB. The treatments were allocated in a randomized block design with four replicates,
which received: 1) Humic Substance (HS); 2) Marine algae (AM); 3) Bocashi (B) and; 4) control
treatment, without fertilization (T). The samples were collected at a depth of 0-20 cm and taken
to the Laboratory of Analysis of Soils, Water and Plant (LASAP) of the IFPB, Sousa campus for
chemical analysis. SH promoted the increase in the availability of Mg + 2 and the AM caused
an increase in Ca2 +, SB, V% and MOS levels. SH and AM treatments were considered to be
of moderate quality, while B and T were considered of low quality.