Foto de stock - Feb. 26, 2012 - Debunking Expensive Lighting In Glasshouses: Dr. Hubbard with specimens which debunk claims by many manufacturing for expensive lighting in glasshouses. The plant on the left was grown under a simple clear tungsten bulb. Both plants are the same age but the one on the right was crown without lights. Five types of bulbs were used in these tests and clear tungsten lamps won out. (Credit Image: © Keystone Pictures USA/ZUMAPRESS.com)

@ 0.059 --> Keywords launching task... @ 0.059 --> GetKeywords: Getting cache @ 0.072 --> _srcset calculated @ 0.108 --> begin dades json... @ 0.115 --> begin waiting GetItemsAsync... @ 0.115 --> GetKeywords: Request cached? True @ 0.129 --> itemsController.Get() completed! @ 0.140 --> pricing done @ 0.140 --> Dades JSON completed! @ 0.141 --> Keywords task start waiting @ 0.177 --> GetKeywords: File obtained @ 0.177 --> GetKeywords: File to Json @ 0.178 --> GetKeywords: DocLastUpdate checked @ 0.178 --> GetKeywords: Cached item @ 0.179 --> GetKeywords: keywords ampliacion @ 0.179 --> Keywords task completed @ 0.188 --> Schema completed @ 0.188 --> Adobe ads... @ 0.188 --> Adobe ads done @ 0.188 --> controller done