Estimating the total leaf area of the green dwarf coconut tree (Cocos nucifera L.)

被引：11
|
作者：
de Sousa, EF
Araújo, MC
Posse, RP
Detmann, E
Bernardo, S
Berbert, PA
dos Santos, PA
机构：
[1] UENF, CCTA, Lab Engn Agricola, BR-28013602 Campos Dos Goytacazes, RJ, Brazil
[2] UENF, CCTA, Programa Posgrad Prod Vegetal, BR-28013602 Campos Dos Goytacazes, RJ, Brazil
来源：
SCIENTIA AGRICOLA | 2005年 / 62卷 / 06期
关键词：
canopy structure; mathematic model; estimating model;
D O I：
10.1590/S0103-90162005000600014
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
Leaf area has significant effect on tree transpiration, and its measurement is important to many study areas. This work aimed at developing a non-destructive, practical, and empirical method to estimate the total leaf area of green dwarf coconut palms (Cocos nucifera L.) in plantations located at the northern region of Rio de Janeiro state, Brazil. A mathematical model was developed to estimate total leaf area values (TLA) as function of the average lengths of the last three leaf raquis (LR3), and of the number of leaves in the canopy (NL). The model has satisfactory degree of accuracy for agricultural engineering purposes.
引用
收藏
页码：597 / 600
页数：4
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