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Plants for Food & Fibre Review Game!. Unit 2 Terms. Flowers and seeds require this from fertilizer. Potassium. Open and close the stoma. Guard cells. This is found in fertilizer and helps to make leaves green. Nitrogen. Planting a crop without cultivating soil. Zero tillage.
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Being able to grow food and fibre while keeping our natural systems healthy for the long term
These soil organisms add air spaces to the soil when they tunnel
Plant that is grown in Alberta for use in making cooking oils, among other things
A special type of bacteria that also plays a vital role in forming humus