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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

VS


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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