Required resources & their sources

Required resources & their sources - Required...

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Required resources & their sources Page 1 of 7 The required resources & their sources Readings: Chapter 36, pp 764 – 767 Chapter 37 Self Quiz Chapter 36 # 1 Chapter 37, 1, 3, 7, 8, 9, & 10 1. The soil & atmosphere provide the resources (a) Roots (b) Leaves (i) Inputs for photosynthesis (ii) Outputs associated with photosynthesis & transpiration 2. The architecture of leaves & stems affects light acquisition (a) Phyllotaxy (b) The leaf area index is a measure of shading (i) Definition (ii) It varies with biomass (c) The orientation of leaves differs among & within plants (i) Horizontal (ii) Vertical (e.g. wheat, maize & other grasses)
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Page 2 of 7 (iii) Modifications (e.g. sugar beet) (d) Reach for the sun vs. spread out for the sun 3. Roots compete with other plants 4. The soil 4.1 Soil profiles show horizons 4.2 Soil composition (a) An overview of the ingredients (b) Water (c) Air (d) Inorganic particles (gives soil texture) (i) Combinations of clays, silts & sands (ii) Hold & exchange ions (cation exchange)
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Required resources & their sources - Required...

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