Abstract
The experiment was developed at Estância Esperança, in Jales, northwest of São Paulo. The agroforestry system was composed of 5 species: pineapple, banana, papaya, pink pepper and Bixa orellana L., cultivated in an organic system. 5 treatments were used: 4 cover crops and 1 standard treatment (without cover crop): T1: Standard treatment; T2: U. Ruziziensis; T3: M. maximus (Syn. P. maximum) cv. Mombasa; T4: C. Juncea; T5: C. cajan. The experimental design used in randomized blocks with 4 repetitions. The total area of the experiment was 1.8 ha. Dry matter yield and nutrient absorption by cover crops and standard treatment and changes in soil chemical attributes were evaluated. The results were subjected to variance analysis and the averages compared by the Tukey test (p <0.05). Because it has the highest dry matter yield and, consequently, higher nutrient accumulation between cover crops and by reducing the soil Al content, M. Maximus cv. Mombasa proved to be an interesting option to be used as a cover crop in an organic agroforestry system in the northwest of São Paulo.
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