Filling the bottom half of a flower pot with gravel will greatly improve the aeration of the soil-mix in the top half.
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Q22: The water potential at the field capacity
Q23: The tenacity with which water is held
Q24: Plant roots gain access to soil water
Q25: Osmotic and matric potentials are commonly negative
Q26: Capillary movement is made possible by the
Q28: Hysteresis is the phenomenon whereby a soil
Q29: Although the total soil water content of
Q30: The osmotic potential is dependent upon the
Q31: Gypsum or nylon blocks are most useful
Q32: The adsorption of water on soil surfaces
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