What is par and how does it help your plants?

Related questions

1. What is the minimum illumination level is required in workplace?
2. What size grow light should I use?
3. What is lux rating?
4. How bright is a Lux?
5. What does par measure?
6. How is photosynthetically active radiation measured?
7. Can any LED light be used as a grow light?
8. What does par20 mean?
9. What's better lux or lumens?
10. What is Lux in LED light?

Tags

1. #depending
2. #amount
3. #active
4. #which
5. #nanometer
6. #latitude
7. #wavelength
8. #photosynthetically
9. #changes
10. #radiation
11. #seasonally
12. #range
13. #varies
14. #light
15. #available
16. #photosynthesis