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Respiration estimation of a plant community through primary values (leaf area and phytomass) – (IJAAR)

Napoleão Esberard de Macêdo Beltrão, Alexandre Bosco de Oliveira, Leandro Silva
do Vale, José Fideles Filho

Brazilian Agricultural Research Corporation, National Center of Cotton Research, Campina
Grande, Paraíba, Brazil
Department of Crop Science, Federal University of Ceará, Fortaleza, Ceará, Brazil

Key words: Crop physiology, Plant growth, Quantitative analysis, Agroecosystems yield, Ecophysiology.

Abstract
Quantitative analysis of growth represents the first step in the analysis of primary production, being the link
between the mere registration of plant productivity and the study of this by physiological methods. In classical
growth analysis, most papers on this subject and applications do not provide evidence for the estimation of
cellular respiration. This last factor, in ecophysiology and crop physiology, means loss of dry matter or
phytomass, and is very different from a definition of a purely physiological point of view, which means oxidation
of complex organic plant compounds in mitochondria. In this way, the full knowledge of the analysis of
destructive growth, with estimation of respiration of monoculture plants or plant communities is crucial. It may
represent a “tool” of great importance for understanding the functionality of an agroecosystem and improving
productivity, especially the economic one, with an increase in harvest index and even in the quality of the final
product and coproducts.

Get the original articles in Source: Archive for | IJAAR |- January, 2016

Journal Name: International Journal of Agronomy and Agricultural Research (IJAAR)

Published By: International Network for Natural Sciences

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