The Plant & The Environment: The Total Effect
Horticultural SciencesApplying Science to Horticulture
WHAT DO YOU ALREADY KNOW?
THINK ABOUT WHAT YOU ALREADY KNOW ABOUT THE PLANTS INTERACTION WITH THE ENVIRONMENT
WHAT FACTORS EFFECT PLANT GROWTH?
AIR TEMPERATUREFERTILITY WATERSUNLIGHTpHCARBON DIOXIDE
The Important of Understanding
Environmental Effects
Overall ObjectiveOn a summative
evaluation, students will identify environmental
factors and their effects on plant growth with 85%
accuracy.
Enabling ObjectivesIdentify the components of natural soils and artificial mediaEvaluate the effects of soil texture on soil water retention, pH, and other characteristics of the soilExamine the effects of compost, fertilizers, and other soil amendments.Recognize the differences between granular, liquid, and slow release fertilizers and the general components of fertilizers.Communicate the role of humidity, soil and air temperatures, CO2, and light
The Ground Beneath Your Feet: What’s it All About?
Air
Water
Organic Matter
Ideal Ratio of Soil Components
45% Minerals25% Water25% Air5% Organic Matter
Classifying Soil