Which of the Following Could Contribute to Slower Plant Growth

question 70

Multiple Choice

Which of the following could contribute to slower plant growth in saline soils?

• A)the need to pull harder to obtain water from soil containing high concentrations of salts, potentially limiting both photosynthesis and cell expansion
• B)higher rates of respiration in roots that have to use energy to exclude salts from entering the xylem
• C)higher salt concentrations in leaves, potentially shortening their life-span
• D)these choices are correct.

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