Abstract:
A double plastic layer covering the greenhouse is a cheap way to ameliorate his microclimate.
The average ambiant air temperature increased about 2 °C compared to control.
Precocity and total yield of a pepper crop increased due to higher average fruit weight.
Plants grow faster but less stronger.
When outside temperature becomes milder the inner plastic layer has to be taken off.
Tomato plants grow also faster under double plastic wall, the nodes are longer.
For the moment harvest of tomatoes is started.
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