From a fellow grower:
I wondered if you can provide some advise on flowering light times.
I’m growing four plants in a grow box 1.70x 90x90 cm
400w dual spectrum HPS.
Nutes: this is the link to my Nute schedule. I’m using the listed nutes. http://www.bionova.nl/wp-content/uploads/2015/11/Fertilizing-scheme-DEDICATED-SuperMix.pdf
Temp: 20c dark-26c day
Humidity: 30-40 depending on external climate
I’ve stopped using the humidifier during flowering
Shining Silver Haze
I vegged for 2 months. The plants are at the end of third week flowering and doing superb. In fact I’m worried they’re growing too well. They’re very healthy. No signs of yellowing, disease or pests
The light schedule is 13 off and 11 on. About 40cm above the plants. There’s still room to raise the light hood, but I’m concerned that with another 4-6 weeks to go I will run out of height. Current height is 80cm including the pots.
I reduced light time as I was worried about the height.
I did top them in veg. However they have exponentially increased growth during flowering.
I read this article on another site about decreasing light times during flowering http://theweedscene.com/flowering-light-cycle/
As three of them are highbreds and the NL a pure indica…
Will this light schedule impact heavily on bud size?
Is it the right light schedule ?
Should I scrog or bend the upper heads? Or is it too late to scrog?
Also should I harvest in stages? I.e. Cut the tops first when they’re ready and then leave the lower buds to grow/ripen. They’ve fillled out the box square area completely. Light is reduced for the lower part of the plants.
Should I trim some of the lowest fan leaves to concentrate growth on the buds higher up.
This is the first time I’m growing indoors. I grew twice before for two seasons outdoors.