Publicação: Nutrients cycling aspects in stands of Pinus-elliottii engelm var elliottii under differents resining intensities .1. litter fall
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Inst Tecnologia Parana
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Litter production was measured for two years (november 1986 to october 1988) in a 29 year -old Pinus elliottii var. elliottii stand in differents resin treatments. Needle production comprised 9 to 93% of total litter fall, while the other categories (branches, barks, seeds and cones) were not significant. Maximum litterfall occurred in march to may 1987 (autumn) and the minimum was in august 1988 (winter) for all treatments and the control. No relationship appeared between annual litterfall and environmental factors, although there was a tendence to exhibit two periods of production: one in summer and other in winter. The results showed that in two years of resin extraction was not sufficient in interfering the litter fall and consequently the productivity.
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LITTERFALL, PINUS-ELLIOTTII, NUTRIENT CYCLING, RESIN
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Português
Como citar
Arquivos de Biologia E Tecnologia. Curitiba-Paraná: Inst Tecnologia Parana, v. 37, n. 3, p. 703-709, 1994.
