Evaluation of substrates in jatoba seedling production
DOI:
https://doi.org/10.18316/1981-8858.17Keywords:
Forest Species, Organic Input, Organic Matter.Abstract
Not always the nursery can make large investments in substrate for the production of seedlings. So some research has been developed to study the use of organic substrates on production of rentable forest species. Therefore, an experiment was developed, in nursery, in order to verify the combination of soil, commercial substrate (Plantmax®) and poultry litter decomposed, in the production of Hymenaea courbaril seedlings. The seedlings were grown in plastic tubetes with a capacity of 280 cc with seeds placed to germinate directly in the tested treatments. Were evaluated the effects of seven combinations of substrates: 100 % soil; 100 % Plantmax®; 50 % soil + 50 % Plantmax®; 50 % soil + 50 % decomposed poultry litter; 50 % Plantmax® + 50 % decomposed poultry litter; 80 % decomposed poultry litter + 10 % soil + 10 % Plantmax®; 20 % decomposed poultry litter + 40 % soil + 40 % Plantmax®. Originating seven treatments, arranged in a completely randomized design with 10 repetitions. The evaluation of the growth occurred 120 days after the first germination, with the measurement of height, diameter, biomass, and concentrations of macro and micronutrients in the leaves of seedlings. The combination of substrates influenced the growth and H. courbaril nutrition, recommending the proportion of 50 % Plantmax® + 50 % decomposed poultry litter.
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