Photosynthesis Measurement Articles & Analysis
16 articles found
Summary: In the study of plant physiology, the determination of plant photosynthesis is one of the important research work. It is generally measured by measuring the value of illuminance and photosynthetically active radiation, and the measurement of illuminance and photosynthetically active radiation requires a light sensor and ...
Currently, agriculture uses seventy percent of the freshwaters, globally. Available freshwater sources will not be enough to increase food production to feed growing populations in the coming decades. Therefore, there is a concerted effort to grow crops with seawater. Hence, scientists are investigating the various challenges involved in growing plants with saline water. These include greenhouse ...
Cadmium is a heavy, non-biodegradable metal that is toxic to plants, people, and animals. With increasing pollution and emission of cadmium, its levels in agricultural soils are increasing. The risk to humans is high due to consumption of cadmium-contaminated food. Modern applications of gas analysis and laser measurements are speeding up research in addressing the problem of cadmium stress. ...
In the autumn of 2013, Nicholas Bond, who was then the State Climatologist for the state of Washington, first detected a large (500 miles wide x 300 feet deep), circular body of sea water which had not cooled as expected and was 2 to 3 degrees warmer than the rest of the surrounding Pacific Ocean. By mid-2014, this unnaturally warm patch of ocean had grown to 100 miles long x 1000 miles wide x ...
Photosynthesis is undoubtedly one of the most important physiological processes on Earth. It is the process by which plants, algae, and bacteria produce food. Photosynthesis makes these organisms the primary producers of the earth, as all other organisms feed on them for their energy source. People depend on this important process for most of their needs: food, fiber, fuel, timber, etc. Also, ...
In all cases, whether in the laboratory or in the field, measuring photosynthesis is a necessity. Measuring Photosynthesis Since photosynthesis is a chemical reaction, its levels are monitored by the rate of occurrence. ...
In all cases, whether in the laboratory or in the field, measuring photosynthesis is a necessity. Measuring Photosynthesis Since photosynthesis is a chemical reaction, its levels are monitored by the rate of occurrence. ...
A number of measurements instruments can be used to detect stress in plants, crops and forests. ...
A number of measurements instruments can be used to detect stress in plants, crops and forests. ...
Olyssa Starry, Assistant Professor of Urban Ecology at Portland State University, explain the many applications of photosynthesis measurement and demonstrate how to use the portable CI-340 Photosynthesis Analysis ...
First, let’s discuss the correct unit of measurement for lighting a crop. This would be moles. In the US the more common forms of measuring light are lux and foot candles but these units are an instantaneous measurement of the intensity of light that is visible to the human eye – mostly between 500-600 nanometers. For crops, ...
First, let’s discuss the correct unit of measurement for lighting a crop. This would be moles. In the US the more common forms of measuring light are lux and foot candles but these units are an instantaneous measurement of the intensity of light that is visible to the human eye – mostly between 500-600 nanometers. For crops, ...
We evaluated the recovery of photosynthesis and growth rate in green (Pseudokirchneriella subcapitata), blue‐green (Anabaena flos‐aquae), and diatom (Navicula pelliculosa) algae after pulsed exposure to atrazine. ...
All the mechanics were driven by an electronic card that allowed choice of filling time, time of measurement, and time of medium renewal. This system provides a new tool to study, In detail, the photosynthesis of whole aquatic organisms under natural field conditions during Immersion, combining high time-resolution of oxygen exchange with a long temporal scale of ...
This paper gives the exergy analyses of the main biochemical processes of photosynthesis in green plants. In the light reactions, photosystem I, photosystem II, and ATP-synthesis are found to operate at exergy efficiencies of 50%, 68% and 81%, respectively, so that 48% of the exergy of directly utilised solar photons is converted to biochemical energy carriers. Subsequently, in the dark ...
Crop drought stress was assessed by measuring photosynthesis, stomatal conductance, leaf water potential, and {delta}13C (13C/12C stable isotope composition). ...