Marcos José Perdoná, Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agencia Paulista de Tecnologia dos agronegócios, Bauru, Brazil and Rogerio Peres Soratto, Department of Crop Science, College of Agricultural Sciences, São Paulo State University – UNESP, Botucatu, Brazil
Research results show the beneficial effects of shade to coffee plants, reducing wind speed and temperature range. Macadamia trees productive and offer little competition to coffee has great potential to offer advantages of afforestation and increase the income of farmers. The aim of this study was to evaluate the growth and productivity of arabica coffee (Coffea arabica) and cultivars of macadamia trees (Macadamia integrifolia) in mixed cultivation irrigated. The experiment was conducted in Dois Córregos, SP, Brazil, in completely randomized experimental design with three replications. For the macadamia nut trees were considered nine treatments (HAES 344, HAES 660, HAES 816 IAC 9-20, 4-12B IAC, IAC 4-20, 9-20 without pruning IAC, IAC 4-12B without pruning, IAC 4 -20 without pruning), and coffee growing ten treatments were considered, in other words, coffee intercropped (nine treatments above) and an additional treatment (single coffee). For five seasons, were evaluated in coffee: stem diameter, plant height, yield coffee and walnut in: plant height, crown diameter, stem diameter, nut production, recovery rate (TR) and production almonds. Brazilian cultivars are more productive, but require more pruning, since they have higher horizontal growth, hindering mechanization. Systems able to mechanization, to cultivate HAES 816 was the most productive and where no mechanization, IAC 4-12B had the highest production. Coffee plants subjected to shade had greater height and smaller measures of trunk diameter. In consortium with cultivars national free growth there was a decrease in the production of coffee in relation to cropping, but no difference in the consortium with the Hawaiian cultivars or cultivars Brazilian who received pruning.