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HSC test yourself: Agriculture
Section I Question 9 - 1 mark
Which of the following statements correctly relates a chemical characteristic of soil to an effect that increases plant growth?
(A) Soil particles with a net positive charge attract cations.
(B) A low bulk density value raises the porosity of the soil.
(C) Extreme pH values make all plant nutrients more available.
(D) Soil particles with a high cation exchange capacity release large numbers of cations.