Philips P-5828-B دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

P-5828-B Agrolite 1000w Flyer.qxd:!Aurelle Candle.qxd 2/13/09 9:30 AM Page 1
Philips Horticulture Lamps
The role of light in the growth and development of plants.
Light Light sensitivity sensitivity cur curv ve e of of the the human human e ey ye e
light particles, also called photons or quantum.
Plant growth (photosynthesis) is not
The energy content of photons is different
1.0
then determined by lux or energy, but
0.9
depending on wavelength (color of light). For one
0.8
0.7 by the photons

ملخص المحتوى في الصفحة رقم 2

P-5828-B Agrolite 1000w Flyer.qxd:!Aurelle Candle.qxd 2/13/09 9:30 AM Page 2 Supplementary lighting There are several ways in which artificial light can be used to improve and accelerate growth and extend the growing season of commercial crops: 1 To supplement natural daylight and raise growth light levels in order to enhance photosynthesis and thereby improve growth and quality of plants in greenhouses (supplemental growth light) 2 To control the light period by extending the natural day leng