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Light Lamps and Electricity
Soil and Containers
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18 hours amount amps annual plants aphids applied arc tube ballast bugs bulb burn chemical chlorophyll circuit clones compost contains Diazinon dolomite dolomite lime drain easy electricity fertilizer flowers and vegetables fluorescent foliage foliar feeding fungi fungicide fungus gallon greenhouse grow room growing medium guano heat HID lamp HID's hood hormones hose hours of light HP sodium HP sodium lamp humidistat humidity hydroponic system indoor garden insects intensity J.C.I.G.S. Portland leach leaves less light balancer lumens metal halide meter moisture nitrogen nutrient solution nutrients Oregon organic outdoors peat percent perlite photoperiod plant growth plastic potting soil predators produce rockwool rooting cuttings Safer's salt seedlings seeds sodium lamp soil amendment soilless mix spectrum spider mites spray stem stomata Super Metal temperature thermostat timer toxic trace elements transplanting usually vapor vegetative growth vent fan ventilation vermiculite water and nutrients watt whiteflies wire