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.
(a) Tabulation of observation from the experiment
| F (Clay Soil) | G (Loamy Soil) | H (Sandy Soil) |
|
smooth/powdery to touch |
intermediate/neither smooth nor coarse | coarse/gritty to touch |
| sticky when wet | not sticky when wet | not sticky when wet |
| a roll was produced | formed a weak roll | no roll was produced |
| moderately plastic | not plastic | |
| fine/tiny grains | ||
| a ring was formed |
(b) Crops that can be grown on specimen H (Sandy soil)
(c)(i) Preferred specimen for maize production - Specimen G (Loamy soil)
(ii) Reasons why specimen G (Loamy soil is preferred for maize production)
(d) Economic importance of specimen I (Earthworm) in agriculture
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