Topic · 6 questions · 26 marks

Soil Science

Texture, structure, pH, hand-texture test, soil management.

Compare the characteristics of a sandy soil and a clay soil for vegetable production.

Describe how you would carry out a hand-texture test on a soil sample.

Explain why and how lime is applied to an acidic vegetable plot.

Explain the importance of good soil structure for plant growth.

Describe cation exchange capacity (CEC) and its significance.

Describe how adding well-rotted organic matter improves a heavy clay soil.