Cholorophyll Measurement News

  • Plant Morphology and Spectrum: How Plants Respond to Light Quality

    Light is one of the most important factors for optimizing plant growth.  Plants collect energy from light to make sugars and these sugars are used for the growth of roots, leaves, stems and flowers. Plants use light for both photosynthesis and to respond to the environment to optimize their growth.  Light can be described as the visible portion of the electromagnetic spectrum which ...


    By P.L. Light Systems Inc.

  • Lake Harvests are Likely More Fruitful than We Knew

    Harvests from freshwater fisheries such as the Great Lakes could total more than 12 million tons a year globally and contribute more to global food supplies and economies than previous estimates indicate, according to a study published today by Michigan State University and ...

  • NDVI and Your Farm: Understanding NDVI for Plant Health Insights

    NDVI and Your Farm: Understanding NDVI for Plant Health Understanding your crops’ health status isn’t the easiest thing to do. Sure, you can use the “eye test”, and a number of foliar contact and direct measurement techniques. But, what if there was an easy, fast and efficient way to see the health of plants and their status and progress over time? That’s ...


    By Sentera, LLC

  • End-of-production LED Lighting Increases Red Pigmentation in Lettuce

    Growing vegetables in greenhouses extends crop production seasons in northern latitudes, but the greenhouse environment is far from ideal for providing plants with optimal photosynthetic light. In fact, available photosynthetic daily light in greenhouses can be reduced by up to 50% or more by the structures' glazing material, superstructure, and shading. In northern latitudes, low light is ...

  • Combatting diseases in the greenhouse before they become visible

    A camera that maps photosynthesis, a DNA test that can measure the slightest traces of pathogens, or a precision spray system that only affects the plant and not the surrounding air… The Gezonde Kas (‘healthy greenhouse’) project has, over the last four years, allowed for the development of a sophisticated system of monitoring and disease control. It is now ready for practical ...

  • Can simple measures of labile soil organic matter predict corn performance?

    Organic matter is important for soil health and crop productivity. While an indicator of soil quality, a lot of organic matter is in extremely stable forms, and the nutrients in such forms are difficult for plants to use. The active, labile fraction, however, is a modest but important part of the organic matter. “The labile fraction is small – usually less than 20 or even 10 percent, ...

  • Major breakthrough on how viruses infect plants

    CSIRO plant scientists have shed light on a problem that has puzzled researchers since the first virus was discovered in 1892 – how exactly do they cause disease? In a major breakthrough that helps us better understand how viruses cause diseases in plants – and potentially in animals and humans – Dr Ming-Bo Wang and Neil Smith of CSIRO Plant Industry have revealed a ...

  • PME Integrates Turner Design Chlorophyll Sensor For Real-Time Monitoring

    Precision Measurement Engineering, Inc (PME), an internationally known oceanographic and limnologic instrument design corporation, has integrated the Turner Designs Cyclops-7 Chlorophyll sensor to their T-Chain, a multi-sensor string. The T-Chain is a temperature string designed to collect a variety of water column measurements such as temperature, dissolved oxygen, PAR and pressure. The T-Chain ...

  • PME News, February 2011

    The PME newsletter is distributed quarterly and includes a variety of product updates, new research and future events. This issue includes short articles about the following. Studying Turbulent Mixing LakeESP Withstands Tough Conditions New Chlorophyll a Sensors Data Logger Bidirectional communication Integration with GLEON Vega Database Future Conferences. The entire ...

  • Satellites help Colombian fishermen chase fish

    Fishermen in Colombia will be able to tap into the latest satellite information to chase shoals of fish in their depleted fishing grounds. Using satellites from NASA — the US-based National Aeronautics and Space Administration — and the European Space Agency, researchers from the National University of Colombia identified chlorophyll hotspots, which indicate the presence of the ...


    By SciDev.Net

  • Nitrogen recommendations based on crop reflectance

    Nitrogen fertilizer is usually applied in greater quantities to corn than almost any other crop. But when it’s applied in excess of requirements, loss of the excess fertilizer to the environment can contribute to degraded water quality. One of the challenges to making an appropriate nitrogen fertilizer recommendation is the potential variability in soil nitrogen availability that may occur ...

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