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Objective 16.03. Investigate how light, moisture, temperature, and nutrients affect a plant. Light. Photoperiodism-response of plants to different amounts of light regarding their flowering and reproduction cycles Necessary because of photosynthesis

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objective 16 03

Objective 16.03

Investigate how light, moisture, temperature, and nutrients affect a plant.

light
Light
  • Photoperiodism-response of plants to different amounts of light regarding their flowering and reproduction cycles
  • Necessary because of photosynthesis
  • Not enough light causes long, slender, spindly stems
  • Too much light will cause plants to dry out faster
moisture
Moisture
  • Needed in large amounts because plant tissues are mostly water and water carries nutrients
  • Not enough water causes wilting and stunted growth
  • Too much water causes small root systems and drowning which is a result of air spaces in soil being filled with water
temperature
Temperature
  • Needs vary depending on type of plants
  • Either too high or too low will have adverse effects

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nutrients
Nutrients
  • Essential for optimal plant conditions
  • Has little effect on seed germination
combining growth factors
Combining growth factors
  • Ideal quantities and quality will give optimum plant growth
  • Each has an effect on the other factors
  • Unfavorable environmental conditions for plant growth causes diseases to be more severe in their damages to plants
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