Water availability and mineral fertilization in the characteristics of wood and charchoal of Eucalyptus grandis W. Hill ex Maiden

被引：0
|
作者：
Silva, Raissa Tavares [1 ]
Sette Junior, Carlos Roberto [1 ]
Franco, Mariana Pires [2 ]
Tomazello Filho, Mario [2 ]
Laclau, Jean Paul [3 ]
Chaix, Gilles [3 ]
机构：
[1] Univ Fed Goias, Dept Engn Florestal, Rod Goiania Nova Veneza,Km 0, BR-74690900 Goiania, Go, Brazil
[2] Univ Sao Paulo, ESALQ, Escola Super Agr Luiz de Queiroz, Dept Ciencias Florestais, Ave Padua Dias 11, BR-13418900 Piracicaba, SP, Brazil
[3] CIRAD, Ctr Cooperacao Int Pesquisa Agron Desenvolvimento, Av Agropolis, F-34398 Montpellier, France
来源：
CIENCIA FLORESTAL | 2019年 / 29卷 / 03期
关键词：
Bioenergy; Potassium; Sodium; Artificial exclusion of rain; JUVENILE WOOD; SODIUM; CHARCOAL; ENERGY; POTASSIUM; QUALITY;
D O I：
10.5902/1980509831387
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Changes in the wood quality of Eucalyptus trees caused by fertilization and water availability may influence the characteristics of biomass and charcoal. The aim of this study was to evaluate the effects of potassium and sodium fertilization (control; 4.5 kmol ha(-1) of KCl and 4.5 kmol ha(-1) of NaCl) and water availability (100% and 63% rainfall with artificial exclusion) on the energetic and physical characteristics of biomass and charcoal. Eucalyptus trees of each fertilization x water availability treatments, at five years old, were cut down and the samples were taken at the DBH for the energetic and physical characterization of biomass and charcoal. The application of fertilization with K and Na did not influence the energetic and physical characteristics of biomass and charcoal. The partial exclusion of rainwater in the Eucalyptus grandis forest plantation promoted changes in the characteristics of biomass and charcoal, with reduction of ash content, and increase of wood and charcoal density and the charcoal gravimetric yield.
引用
收藏
页码：1168 / 1179
页数：12
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