Concept:Jute and kenaf are fibre crops that require well-drained, loose soils for good root and stem development.Explanation:Sandy loam soil is light, well-aerated, and well-drained, making it suitable for jute and kenaf.Clayey soils are heavy and poorly drained, which is not ideal for these crops.Clayey loam is heavier than sandy loam, and humus is not a soil type but organic matter.Answer:B. sandy loam