(a) Distinguish between spacing and thinning in crop production. (b) Discuss the cultivation of oil...
AGRICULTURE
WAEC 2019
(a) Distinguish betweenspacing andthinning 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) Enumeratesix ways in which forest resources are important to the economy of West Africa.
(d) What isapiculture?
Explanation
(a)Distinguishing between spacing and thinning in crop production
Spacing is the distance given between one stand of crop and another
While
Thinning is the removal of excess seedlings of plants per stand.
(b)Discussion on the cultivation of oil palm
(i)Botanical name
- Elaeis guineensis
(ii)Varieties
- Dura
- Pisifera
- Tenera
(iii)Method of propagation
- By seeds
(iv)Soil requirement
- Loamy soil, rich in organic matter
- Slightly acidic soil
(v)Spacing on the field
- 9m x 9m x 9m in a triangular form
(vi)Diseases
- Anthracnose
- Freckle
- Algal spot
- Galadema/Ganoderma
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