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23 terms

AGST Unit 7 Plant Science Terms

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Annual
a plant that completes its life cycle in one year or less
Biennial
a plant that needs two years to complete its life cycle
Dicot
a plant with two seed leaves ex- beans
Fertilizer
a material that supplies nutrients to plants
Monocot
a plant with one seed leaf ex - corn
Perennial
a plant that needs more than two years to complete its life cycle
Photosynthesis
the food-making process of plants 6CO2 + 12H20 == C6H12O6 + 6O2 + 6H2O
Plant science
the science of plant growth, care, and management
Respiration
the process by which plants convert food to energy C6H12O6 + 6O2 ==6CO2 + 6H20 + energy
Soil
the outer layer of the earth's crust that supports plant growth
Transpiration
the process by which a plant loses water vapor
Germination rate
amount of seeds that germinated divided by the total number of seeds planted
No - till farming
planting crops without tilling the soil
Terracing
constructing a ditch with a ridge on a slope that is repeated, to help with runoff and erosion, uses water more efficiently
Contour Farming
field operations (plowing, planting) on the contour of the land or at right angles to reduce erosion, improve soil structure, decrease erosion
Crop Rotation
growing plants in different locations in a set sequence; helps control insects/diseases, improves soil structure, decreases erosion
Xylem
"plumbing system" that moves the water and dissolved minerals up the stem from the roots
Phloem
tissue that moves food (made in leaves) down the branches, stems and to roots
Fertilization
process of adding nutrients to a plant
Guard Cells
opens/closes the stoma, allows the plant to breathe and transpire
Petiole
the stem of the leaf
Epidermis
cellular layer of an organism
Stoma
breathing pore; small openings that open/close necessary for photosynthesis, and transpiration