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Question

Water potential of saline soil is mainly affected by:

Options

Choose one · Correct answer highlighted

Explanation

Ψs (C) is correct here. This is core WATER POTENTIAL: once you know the definition or pathway step, Ψs is the clear fit. The wrong ones are A) Ψp; B) Ψg; D) Ψm. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.