Abstract
Acrocarpus fraxinifolius stands out due to its uses in the timber industry and rapid growth. However, information is scarce regarding its fertilization. We aim to understand how soil preparation and phosphorus doses affect A. fraxinifolius initial development. The experimental design used was a randomized block design in a 2 x 5 factorial scheme, consisting of two types of soil tillage (minimum and conventional) and five doses of phosphorus (P) (0, 50, 100, 150, and 200 g of simple superphosphate) with four replications, and plots formed by two plants. The measurement occurs at 30 and 210 days after planting, assessing the height and diameter at the stem height. Initially, the minimum tillage provided had a higher average height and diameter. However, conventional tillage, acidity correction, and fertilization with 108 g of simple superphosphate per plant resulted in Acrocarpus fraxinifolius plants with better growth at 210 days after planting.
Highlights
AND OBJECTIVESThe introduction of forest species with higher yield potential is strategical for Brazilian forestry
Conventional tillage, acidity correction, and fertilization with 108 g of simple superphosphate per plant resulted in Acrocarpus fraxinifolius plants with better growth at 210 days after planting
Scientific studies on nutrition and fertilization are rare, and there is no study at field preparation for forest plantation for Acrocarpus fraxinifolius
Summary
AND OBJECTIVESThe introduction of forest species with higher yield potential is strategical for Brazilian forestry. A species from the tropical regions of Asia that are gaining prominence worldwide is the Acrocarpus fraxinifolius Arn., mainly due to its rapid growth, the potential for agroforestry systems, and the diversity of its uses in the wood industry, wood panels, and paper industry (Nath et al, 2011). Despite being cultivated in agroforestry systems with pepper, corn, and beans in India and Mexico, its main application is shading coffee and tea crops (Nath et al, 2011). The productivity of the species in Brazil is in the range of 10 to 40 m3ha.year with small plantations located in the south and southeast regions in spacings of 3 x 3m (Venturin et al, 2014). Scientific studies on nutrition and fertilization are rare, and there is no study at field preparation for forest plantation for Acrocarpus fraxinifolius
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