Geology/Science. Needs of a Plant: LIGHT Healthy plants need light, air, water and nourishment in order to grow well. Photosynthesis: all green parts.

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Presentation transcript:

Geology/Science

Needs of a Plant: LIGHT Healthy plants need light, air, water and nourishment in order to grow well. Photosynthesis: all green parts of a plant contain chlorophyll, which absorbs sunlight and converts it into energy Some plants need more direct sunlight (their prime energy source)than others—so find out how much a plant needs before deciding on where to plant it.

Needs of a Plant: WATER Water until the top 6 inches of soil are wet (but this depends on what time of year and how dry it is). Signs that your plants need water: plants are wilting and dying. Thorough watering is better that frequent shallow watering. Never spray directly at the base of a plant (this washes soil away from the roots).

Needs of a Plant: NUTRIENTS Nutrients needed: Nitrogen (N)—which is vital for healthy leaf and stem growth; Phosphorus (P)—which promotes strong root growth; and Potassium (K)— which is necessary for flowering and fruiting.

Things that can go wrong: WEEDS Weed: A weed is any plant growing in a place where it is not wanted. Weeds compete directly with your garden plants for light, nutrients, and water. Ways to control weeds: digging them up, hoeing weeds, mulching, chemical, and planting a groundcover plant.

Things that can go wrong: PESTS Pests can include such insects as… Aphids, leaf miners, red spider mites, earwigs, slugs & snails, etc. When buying plants, choose wealthy looking ones— they are less likely to bring pests and diseases with them. Example of treating for APHIDS: many natural predators can help (such as ladybugs); spray with insecticidal soap; plant garlic bulbs nearby (the garlic plant acts as a deterrent).

Things that can go wrong: DISEASE & DISORDERS Disease and disorders do happen (e.g. fungi, root rot, mold, blights, rusts, etc.) Tips to avoid problems: 1. Keep a watch for problems to address them before they get out of hand 2. Grow plants in suitable conditions 3. Observe good hygiene 4. Rotate vegetables 5. Buy good-quality, healthy plants

Sources: Greenwood, Pippa. The New Gardener. Dorling Kindersley: New York, Beckett, Ken, Steve Bradley, Noel Kingsbury & Tim Newbury. Gardening Basics: A complete guide to designing, planting, and maintaining gardens. Sterling Publishing Co., Inc: New York, 1999.