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14 Cards in this Set
- Front
- Back
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What containers can be used to grow plants?
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-plastic
-clay -untreated wood -paper -wood fiber/peat -coir -peat pellets |
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Why is plastic best?
What is bad about clay? What does treated wood contain which is toxic to plants? |
-easy to clean and re-use, durable
-heavy, breakable, salt build-up -arsenic and/or copper |
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Which plant materials are biodegradable?
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-paper
-wood fiber/peat -coir -peat pellets |
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What is coir?
What is good about peat pellets? |
-renewable coconut fiber
-both pot and media in one |
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What is good about seed media?
What is bad if biodegradable units are used? |
-smaller particles better contact
-need space for air and water -no fertilizer necessary -wood/fiber/paper pots need extra Nitrogern (for microbes which will try to break them down) |
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What are the organic planting media?
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-peat
-bark -sphagnum moss -coir -compost -composted rice hulls |
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What are inorganic media? What are three examples?
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-mineral components for drainage and aeration
-sand -perlite -vermiculite |
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What is perlite?
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-for aeration
-made from volcanic rock -pearly white teeth |
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What is vermiculite?
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-for aeration and moisture-holding and nutrient exchange
-tan in color; made from mica rock |
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Is peat a renewable resource?
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-Very slowly
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How do you collect seeds from flowers?
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-collect on sunny, dry mid-day
-collect in paper encelopes or brown paper bags -remove seed from fruit if needed (can soak if needed) *bags can be put over capsule flowers that will split open |
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How can seeds be stored?
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-cool in fridge for short-time, freeze for long term (except water-filled seeds)
-dry seeds out of direct sun -put in dark when dry -keep consistent -put in sealed wax paper, foil pouch, or freezer bags wrapped in aluminum -label |
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What are the 4 types of germination needs?
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-ready to germinate, just give proper conditions
-scarification (needs to have the seed coat abraded) -stratification (needs to have a period of cool-moist -both scarification and stratification |
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How can scarification be replicated?
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-using a file
-using sandpaper -use rock tumbler filled with grit or lined with sandpaper |
