نتایج جستجو برای: leaf chlorophyll meter

تعداد نتایج: 127595  

Journal: :Journal of Japan Society on Water Environment 2000

2007
J. Dash P. J. Curran M. J. Tallis G. M. Llewellyn G. Taylor P. Snoeij

The MERIS Terrestrial Chlorophyll Index (MTCI), a standard level 2 ESA product, provides information on the chlorophyll content of vegetation (amount of chlorophyll per unit area of ground). This is a combination of information on leaf area index (LAI, area of leaves per unit area of ground) and the chlorophyll concentration of those leaves. The MTCI correlates strongly with chlorophyll content...

Journal: :Plant physiology 1987
K Omasa K Shimazaki I Aiga W Larcher M Onoe

A new image instrumentation system for quantitative analysis of the rapid change in intensity of chlorophyll fluorescence during dark-light transition (CFI, chlorophyll fluorescence induction), which is a sensitive indicator of the various reactions of photosynthesis, was developed and its performance was evaluated. This system made it possible to resolve CFI at any small leaf area (about 1 squ...

2004
Michael R. Schlemmer Dennis D. Francis James S. Schepers M. R. Schlemmer

A plant’s photosynthetic potential is directly proportional to the quantity of chlorophyll present in the leaf Measuring a crop’s physiological parameters provides information tissue. Rapid estimates of photosynthetic potential can for interpreting its response to the environment. Remote sensing is quickly becoming recognized as a valuable tool that has the potential be important for studies of...

2014
Jason Clark

Nitrogen (N) is a major enzyme constituent making it a determining factor in plant yield and health. When a plant is deficient in N the shoot:root ratio typically decreases, chlorosis occurs, and growth is reduced. The objective of this study was to determine the level of nitrogen needed for optimal growth of corn. Plants were grown in containers and watered with 0, 0.3, 1.0, 3.0, and 10 mM N f...

Journal: :Bangladesh Journal of Botany 2023

A field experiment was conducted to assess the effect of real time nitrogen management through leaf colour chart and chlorophyll meter in wheat. The experimental results revealed that Leaf color ≤5 based application recorded significantly higher growth, yield attributes, which statistically at par with ≤ 4, sufficiency index ≤3. However, recommended highest agro physiological efficiency. Suffic...

Journal: :desert 2008
h. moeinrad

to determine the relative salt tolerance and/or resistance in seedlings of pistachio genotypes, four pot experimentswere conducted. in experiments 1 and 2, the effects of salinity on growth indices were studid. experiments were donein the form of split plot based on rcbd. in each experiment, mainplots consisted of different electrical conductivitiesof irrigation water (eciws). in experiment 1, ...

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