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ideal for intensive greenhouse setups
which is also added at a predetermined ratio in order to reach a target pH
Requires a Double Heater Hanger Kit
shorter daylight hours limit plant growth
Improved nutrient absorption
Knowing & Recognizing Pests and Natural Enemies Lighting ideal for intensive greenhouse setupsBy: M. Malais and W. J. Ravensberg Book covers life cycles of pests and beneficials, background information on how to make a beneficial program work. A "must" for the grower who uses beneficials for pest control. Many diagrams and colored pictures.
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