Take a sample each of specimens F (CLAY SOIL), G (LOAMY SOIL) and H (SANDY SOIL) and rub each between the thumb and forefinger. Put a sample of each of the specimens on your palm and add a little amount of water sufficient to wet it. Mix each sample with water. Attempt producing a roll and then a ring. 

(a) Tabulate your observations from the experiment.

(b) Name two crops that can be grown on specimen H.

(c) (i) Which of specimens F,G, and H is preferred for maize productions?
(ii) Give three reasons for your answers in (c)(i).

(d) State three ways in which specimen l (EARTHWORM) is of economic importance in agriculture.