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Slide 2 v Slide 3 t Slide 4 t good potting mix has air pockets, water pockets and nutrients (compost) Slide 5 v Drain Holes Slide 6 v Slide 7 v Slide 8 v You drown your houseplants if you water them too much Slide 9 Slide 10 Rocks or no rocks? Slide 11 Rocks in the bottom of a pot does absolutely zero for drainage Slide 12 v Plants use carbon dioxide and give off oxygen. This is true. Plant roots also need oxygen or they will die. Slide 13 How can you add air to your plant roots? Slide 14 z Slide 15 z Slide 16 z Permanent airspace Slide 17 z Slide 18 z 1. Aerobic aspiration will give roots energy to grow Slide 19 z 2. Increases nutrient absorption Slide 20 z 1. Aerobic aspiration will give roots energy to grow 2. Increases nutrient absorption 3. Lack of air allows pathogens to quickly kill the plants Slide 21 z Circling roots (in potted) plants have difficulty getting enough water and nutrients, shortening plants life span. -Oregon State University Slide 22 z z Circling roots are burned off or pruned when exposed to air, causing the plant to constantly produce new and highly branched roots. -Washington State University Slide 23 Slide 24 z z Air alone has many benefits for plants growing in a container Slide 25 Nutrients are washed down & out A container with good drainage Slide 26 z z Slide 27 z z Air is preserved Slide 28 z z Roots pull water up Sub-irrigation Slide 29 z z Water is pulled up As NATURE INTENDED Slide 30 Soil is a reservoir of water Slide 31 z z Takes the guess work out of watering As NATURE INTENDED Sub-irrigation Slide 32 z z Takes the guess work out of watering Reduces fertilizer use by 50% As NATURE INTENDED Sub-irrigation Slide 33 z z Takes the guess work out of watering Reduces fertilizer use by 50% Visible water reservoir As NATURE INTENDED Sub-irrigation Slide 34 z z Takes the guess work out of watering Reduces fertilizer use by 50% Visible water reservoir Recreates natures natural systems As NATURE INTENDED Sub-irrigation Slide 35 Slide 36 Slide 37