(a) Distinguish between spacing and thinning in crop production. (b) Discuss the cultivation of oil palm under the following headings: (i) botanical name; (...
Question 1 Report
(a) Distinguish between spacing and thinning in crop production.
(b) Discuss the cultivation of oil palm under the following headings:
(i) botanical name;
(ii) two varieties;
(iii) method of propagation;
(iv) soil requirement;
(v) spacing on the field;
(vi) Diseases.
(c) Enumerate six ways in which forest resources are important to the economy of West Africa.
(d) What is apiculture?
Answer Details
(a) Spacing and thinning distinguished
| Spacing | Thinning |
|---|---|
| The recommended distance left between one stand (and one row) and another at the time of planting. | The removal of excess seedlings from a stand after germination, leaving the required number of healthy plants. |
(b) Cultivation of oil palm
- (i) Botanical name: Elaeis guineensis.
- (ii) Two varieties: Dura and Tenera.
- (iii) Method of propagation: By seed (sexual). Pre-germinated seeds are raised in a pre-nursery and nursery before the seedlings are transplanted to the field.
- (iv) Soil requirement: Deep, well-drained, fertile loamy soil that is rich in organic matter and slightly acidic.
- (v) Spacing on the field: About 9 m by 9 m triangular (giving roughly 143 palms per hectare).
- (vi) Diseases: Blast disease, freckle/leaf spot, and vascular (Fusarium) wilt.
(c) Six ways forest resources are important to the economy of West Africa
- They supply timber for building and furniture.
- They provide fuel wood and charcoal.
- They supply raw materials for industries (pulp, paper).
- They provide employment and income.
- They are a source of medicinal plants and food (fruits, bush meat).
- They earn foreign exchange through export of forest products.
(d) Apiculture
Apiculture is the practice of keeping and rearing honey bees in hives for the production of honey and beeswax.
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