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| Outside lettuce - growing very slowly | Inside lettuce - growing like mad |
2 pictures - click to enlarge
Lettuce inside and out
Details
One of the first things we started growing in the new tunnel house was some transplanted red lettuce that had been growing nearby.
It is simply amazing to see how different the two sets of plants are. Those that remained outside have hardly grown at all while those inside the warm humid tunnel house are ready to eat.
Listening to someone discussing this phenomenon recently and it sounds like the plants generate their pigments in response to UV light, of which there is less under plastic.
It is simply amazing to see how different the two sets of plants are. Those that remained outside have hardly grown at all while those inside the warm humid tunnel house are ready to eat.
Listening to someone discussing this phenomenon recently and it sounds like the plants generate their pigments in response to UV light, of which there is less under plastic.
Date
September 18, 2010