Results 41 to 50 of about 46,487 (202)

Using Canopies indices to Quantify the Economic optimum nitrogen rate in Spring Wheat [PDF]

open access: yes, 2015
In-season N applications to spring wheat (Triticum aestivum L.) may increase profits and improve N fertilizer accuracy. The objectives were to develop a calibration tool employing normalized difference vegetative index (NDVI) and SPAD 502 chlorophyll ...
Diovisalvi, Nadia Rosalia   +3 more
core   +1 more source

A CMOS 8×8 SPAD array for Time-of-Flight measurement and light-spot statistics [PDF]

open access: yes, 2013
The design and simulation of a CMOS 8 × 8 single photon avalanche diode (SPAD) array is presented. The chip has been fabricated in a 0.18μm standard CMOS technology and implements a double functionality: measuring the Time-of-Flight with the help of a ...
Carmona Galán, Ricardo   +2 more
core   +1 more source

Characterization of A Novel Avalanche Photodiode for Single Photon Detection in VIS-NIR Range

open access: yes, 2010
In this work we investigate operation in the Geiger mode of the new single photon avalanche photo diode (SPAD) SAP500 manufactured by Laser Components.
Cova   +15 more
core   +1 more source

Special issue in honour of Prof. Reto J. Strasser - Seasonal monitoring of PSII functionality and relative chlorophyll content on a field site in two consecutive years: A case study of different oak species

open access: yesPhotosynthetica, 2020
In search for practical silvicultural management tools to identify alternative tree species for predicted Central European climate conditions, a cross-species survey with five evergreen, semi-evergreen, and deciduous Quercus taxa with contrasting ...
S. KOLLER, V. HOLLAND, W. BRÜGGEMANN
doaj   +1 more source

Effects of Reduced Nitrogen Fertilization Via Controlled Release on Dry Matter Accumulation, Photosynthetic Traits and Yield of Proso Millet

open access: yesGuan'gai paishui xuebao, 2023
【Objective】 Proso millet is a common crop cultivated in the Loess Plateau in northwestern China and sustainable production needs to reduce nitrogen fertilization.
WANG Ying   +6 more
doaj   +1 more source

On the Application of a Monolithic Array for Detecting Intensity-Correlated Photons Emitted by Different Source Types [PDF]

open access: yes, 2009
It is not widely appreciated that many subtleties are involved in the accurate measurement of intensity-correlated photons; even for the original experiments of Hanbury Brown and Twiss (HBT). Using a monolithic 4x4 array of single-photon avalanche diodes
Ad’am   +33 more
core   +1 more source

Can Genetic Progress for Drought Tolerance in Popcorn Be Achieved by Indirect Selection?

open access: yesAgronomy, 2019
The objective of this study was to estimate the direct and indirect effects of agricultural, morphological, physiological, and root traits of popcorn lines, under two conditions of water supply: full irrigation (FI) and drought stress (DS).
Samuel Henrique Kamphorst   +11 more
doaj   +1 more source

The Leaf Properties, Stomatal Index and Chlorophyll Content of Turkish Hazelnut (Corylus avellana L.) Cultivars

open access: yesJournal of Agricultural Sciences, 2023
This study examined the leaf micromorphological properties, stomatal indexes, and chlorophyll contents of 20 Turkish hazelnuts (Corylus avellana) cultivars.
Yaşar Akçin
doaj   +1 more source

FeEDDHA-facilitated Fe uptake in relation to the behaviour of FeEDDHA components in the soil-plant system as a function of time and dosage. [PDF]

open access: yes, 2008
FeEDDHA products are widely used to prevent and remedy Fe chlorosis in crops grown on calcareous soils. These products consist of a mixture of FeEDDHA components: racemic o,o-FeEDDHA, meso o,o-FeEDDHA, o,p-FeEDDHA and rest-FeEDDHA. The FeEDDHA components
Schenkeveld, W.D.C.   +3 more
core   +2 more sources

Morphological and Physiological Responses of Different Cotton Genotypes Primed with Salicylic Acid Under Salinity Conditions

open access: yesTurkish Journal of Agriculture: Food Science and Technology
This study was conducted as both petri dishes and pot experiments on four different salt-sensitive cotton genotypes (Laser, May 505, May 455 and Selin) in order to investigate the role of exogenous salicylic acid applications in reducing the effects of ...
Nimet Ozege, İlkay Yavaş, Emre İlker
doaj   +1 more source

Home - About - Disclaimer - Privacy