Behavior in Nursery of Four Timber Species in Five Substrates Based on Organic Fertilization, 2005

Abstract

Timber and forestry plant production is constrained in the Dominican Republic partly by inadequate selection of local materials and predominantly clay-textured soils. This study evaluated the nursery performance of four timber species across five organic-fertilization-based substrates in a field experiment in Quita Sueño, Sánchez Ramírez province, using a split-plot, completely randomized 4×5 factorial design with four replications. Cedar and corazón de paloma showed the greatest height (avg. 33.01 cm), with substrates S2 and S3 producing the tallest plants; cedar and melina showed the greatest stem thickness; mahogany produced the highest dry-matter percentage and foliar nitrogen; and corazón de paloma showed the highest potassium content. Statistically significant differences were found among species for all variables, among substrates for height, thickness, and P/K content, with species-by-substrate interaction effects for height, thickness, and nitrogen.

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