Maximum Yield USA 2012 March | Page 190

in control: the perfect indoor climate As every gardener knows, hydroponics and indoor farming can present a number of challenges. Cycle after cycle, it seems that there are always obstacles that have to be overcome. After each harvest, though, we challenge ourselves to do better next time—regardless of the hurdles, we keep at it and eventually we usually end up getting it right. One of the common early mistakes that gardeners make is failing to consider how absolutely vital climate is to the health and wellbeing of their plants. Temperature, humidity and CO2 levels in the garden have every bit as big an effect on the success of a plant as nutrients or lighting. And it’s not just the direct effect that climate variables have on your plants that must be considered, but also the indirect results—the more controlled the climate, the less inviting your garden will be to pests, pathogens, fungi and other harvest killers. Deciding exactly how to control the climate in your garden can be intimidating and we often underestimate 188 Maximum Yield USA | March 2012 our needs; the goal of this article is to help you consider all of the factors that will affect the climate in your own garden. Heat Rarely is the novice gardener prepared for the sauna that their first garden can become! This is usually an early hurdle for the small gardener and an enormous consideration for commercial farmers. When you consider the size of your cooling system, remember that cooling anything is simply the removal of heat, which is measured in BTUs. You don’t add coolness to something—you take heat away from it. So if you’re going to cool your garden, "Rarely is the novice gardener prepared for the sauna that their first garden can become!"