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Growing space and growth factor gradients

Growing space and growth factor gradients. Controlling disturbances is how we control competition. Competition. Growth factors Consider light and water (aboveground and belowground). TULIP POPLAR. VIRGINIA PINE. MESIC SOIL. DRY SOIL. MESIC SOIL. DRY SOIL. GROWING TOGETHER. MESIC SOIL.

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Growing space and growth factor gradients

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  1. Growing space and growth factor gradients

  2. Controlling disturbances is how we control competition

  3. Competition • Growth factors • Consider light and water (aboveground and belowground)

  4. TULIP POPLAR VIRGINIA PINE MESIC SOIL DRY SOIL MESIC SOIL DRY SOIL GROWING TOGETHER MESIC SOIL DRY SOIL

  5. Light • PAR • PhotosyntheticallyActive Radiation • Sun foliage/ shade foliage • Shade tolerance

  6. Sun foliage Ps Shade foliage 0% 20% LIGHT

  7. Sun foliage Ps Shade foliage 0% 20% LIGHT

  8. Shade Tolerance Shade intolerant Ps Shade tolerant Light

  9. Water • Input • Soil • Stomates

  10. Field Capacity Percent Soil Water Available Water Unavailable Water Heaviness of Texture From Brady, 1974

  11. Growing Space • Sunlight • Water • Nutrients • Physical space

  12. Total growing space • Available growing space

  13. 1200 TPH

  14. 640 TPH

  15. 250 TPH

  16. Total growing space • Depends on time and place • Macro and Micro conditions

  17. Available Growing Space • Grow • Regeneration

  18. Thinned Unthinned

  19. Earlywood Latewood

  20. No Available Growing Space • Repartition • Competition

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