What do you feel are the most important environmental conditions that affect vegetable production in a greenhouse?

  • Bit of a broad question so the answer has to be broad too - water, temperature and light. – Bamboo Jan 23 '16 at 15:38
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Nutrients, heat, humidity, water and light.


Airflow to prevent moulds - adequate ventilation, some seeds germinate better when cool, others won't if they get hot. Basic research will tell you what conditions your seeds or plants would like.

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