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Plant Growth Factors: Light
Photoperiod, page 4. The quality, intensity, and duration of light directly impact plant growth. . prism (or raindrops) can divide sunlight into respective colors of red, orange, yellow, green, blue . to dark shade depending on the tree's canopy.
http://www.cmg.colostate.edu/gardennotes/142.pdf

How Does Darkness Affect Plant Growth? | eHow.com
How Does Darkness Affect Plant Growth?. Photosynthesis is the process by which plants turn sunlight into food. Food that is created by this photosynthesis is .
http://www.ehow.com/how-does_4567350_darkness-affect-plant-growth.html

Do Plants Grow Taller in Sunlight or Darkness? | eHow.com
Do Plants Grow Taller in Sunlight or Darkness?. Plants need light to live, but many plants will tolerate low light conditions, albeit with affected growth.
http://www.ehow.com/facts_7835986_do-grow-taller-sunlight-darkness.html

Physiology - College of Agriculture and Life Sciences - University of ...
The three major plant functions that are the basics for plant growth and . a plant requires energy from sunlight, carbon dioxide from the air and water from the . They take place when light is present but the dark reaction does not require light.
http://ag.arizona.edu/pubs/garden/mg/botany/physiology.html


Guest Book
7 entries

  • Why plants need sunlight
    and other. 100% plants cantly strat- orm a trate- istant ave a d the some tions. t both . Why plants need sunlight. Prof. Dr. Hans Häckel, Weihenstephan, Germany . Light-loving and dark-loving . its other positive effects on plant growth. A .
    http://www.agrocourier.com/bcsweb/cscms_de.nsf/id/Plasun_Agro/$file/plants_sunlight.pdf


    - brandon ellis (lancaster, OH)

  • Do plants grow faster in light or dark
    a plant in the dark will grow faster but it's not going to last long because it does not have sunlight. sunlight is what make a plant grow and it would not be the .
    http://wiki.answers.com/Q/Do_plants_grow_faster_in_light_or_dark


    - Raeann Carter (Lancaster, OH)

  • Do plants grow better under sunlight or artificial light
    In general, sunlight is better for plant growth as it is intense and contains the full . periods (extended light reactive period and shortened dark reaction period).
    http://wiki.answers.com/Q/Do_plants_grow_better_under_sunlight_or_artificial_light


    - Raeann Carter (Lancaster, OH)

  • Lights' Effect on Growth - Biology Online
    Jan 1, 2000 . These type of plants only flower when the level of sunlight is below 12 hours, or more precise, there is more darkness than sunlight.
    http://www.biology-online.org/3/9_effect_light.htm


    - dawn carter (logan, OH)

  • Sunlight and Plants
    Does sunlight make green plants healthy? and Do green plants always need light? . pictures of plant growth following germination in dark and light conditions .
    http://astlc.ua.edu/lessonplans/LCPlants.htm


EXPERIMENTAL DESIGN REFERENCE
They grow 12 radish plants in 4" clay pots with 25 mL of water daily and 100 g of potting soil in 24 hours darkness, 12 hours sunlight/12 hours darkness, and 24 .
http://mjksciteachingideas.com/pdf/ExpDesRef.pdf
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