2021
DOI: 10.15446/rfnam.v74n3.93619
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Estimation of leaf nitrogen content from nondestructive methods in Eucalyptus tereticornis and Eucalyptus saligna plantations

Abstract: The determination of leaf nitrogen content (LNC) by indirect methods is essential for silvicultural management of forest crops. The application of photography or rapid measurement equipment, such as chlorophyll index (soil-plant analysis development-SPAD), is increasingly used due to its low-cost, ease of estimation and accuracy. Therefore, the aim of this study was to estimate foliar nitrogen content from nondestructive methods in plantations of Eucalyptus tereticornis and Eucalyptus saligna using three urea … Show more

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Cited by 2 publications
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“…In Hordeum vulgare var. coeleste [43], Oryza sativa [58], and Eucalyptus species [59], SPAD values were negatively related to both L* and b* values and positively to a* values. In a study involving 13 crops, however, the patterns for the correlation between SPAD values and leaf color parameters were variable and species-dependent based on multiple linear regression [33].…”
Section: Association Patterns Of Leaf Color Parameters With Chlorophy...mentioning
confidence: 89%
“…In Hordeum vulgare var. coeleste [43], Oryza sativa [58], and Eucalyptus species [59], SPAD values were negatively related to both L* and b* values and positively to a* values. In a study involving 13 crops, however, the patterns for the correlation between SPAD values and leaf color parameters were variable and species-dependent based on multiple linear regression [33].…”
Section: Association Patterns Of Leaf Color Parameters With Chlorophy...mentioning
confidence: 89%