Results 101 to 110 of about 902,967 (255)

Marginally Trapped Surfaces and AdS/CFT

open access: yes, 2017
It has been proposed that the areas of marginally trapped or anti-trapped surfaces (also known as leaves of holographic screens) may encode some notion of entropy.
Grado-White, Brianna, Marolf, Donald
core   +1 more source

Error analysis of leaf area estimates made from allometric regression models [PDF]

open access: yes
Biological net productivity, measured in terms of the change in biomass with time, affects global productivity and the quality of life through biochemical and hydrological cycles and by its effect on the overall energy balance.
Chhikara, R. S., Feiveson, A. H.
core   +1 more source

Growth response to temperature of two maize (Zea mays L.) hybrids with differing levels of cold tolerance : a thesis presented in partial fulfillment of the requirements for the degree of Master of Agricultural Science in Plant Science (Seed Technology), Massey University [PDF]

open access: yes, 1993
Low temperatures are a hazard to maize production especially in high altitude and high latitude areas (Eagles, 1979; Hardacre and Eagles, 1986) where it may cause substantial yield reductions through its accumulated effect on vegetative and reprodutive ...
Mukumbuta, Mwangala Stephen
core  

Automated estimation of leaf area index from grapevine canopies using cover photography, video and computational analysis methods [PDF]

open access: bronze, 2014
Sigfredo Fuentes   +4 more
openalex   +1 more source

Is the impact of K deficiency on cotton (Gossypium hirsutum) mainly due to a dysfunction in growth, photosynthesis or water characteristics? [PDF]

open access: yes, 2008
The effect of potassium nutrition on cotton biomass, leaf area, water characteristics, photosynthesis and gas exchange characteristic, was assessed under glasshouse hydroponic conditions and 4 levels of potassium nutrition.
Constantin, Julie   +3 more
core  

Diurnal patterns of wheat spectral reflectances and their importance in the assessment of canopy parameters from remotely sensed observations [PDF]

open access: yes
Spectral reflectances of Produra wheat were measured at 13 different times of the day at Phoenix, Arizona, during April 1979 using a nadir-oriented hand-held 4-band radiometer which had bandpass characteristics similar to those on LANDSAT satellites ...
Idso, S. B.   +3 more
core   +1 more source

Adaptasi Tanaman Kedelai terhadap Intensitas Cahaya Rendah : Karakter Daun untuk Efisiensi Penangkapan Cahaya [PDF]

open access: yes, 2006
This research was conducted to identify some leaf characters related to light capture efficiency. It used split plot design with sub plot nested at the main plot.
Khumaida, N. (Nurul)   +4 more
core  

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