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Alp 2304: Land Degradation, Rehabilitation And Drainage. Question Paper

Alp 2304: Land Degradation, Rehabilitation And Drainage.

Course:Bachelor Of Science In Land Resource Planning And Management

Institution: Jomo Kenyatta University Of Agriculture And Technology question papers

Exam Year:2013

INSTRUCTIONS

- This paper has five questions
- Answer any four questions
- Each question has a maximum of 25 marks

1 (i) Define the following terms :-
(a) Desertification (4 Mks)
(b) Salinisation (3 Mks)
(c) Conservation tillage (3 Mks)
(ii) Introduction of conservation tillage may increase sustainable agricultural development in Kenya. Discuss. (15 Mks)
2 (i) Explain the following terms with respect to ASAL areas
(a) Intergrated resource management (6 Mks)
(b) Afforestation (4 Mks)
(c) Leaching (5 Mks)
(ii) State five disadvantages of applying physical structures in land rehabilitation (5 Mks)
(iii) What are the current policies on land reclamation in Kenya? (5 Mks)
3 (a) Explain the concept of reseeding in sustainable resource management agriculture in land reclamation process. (12 Mks)
(b) With help of examples, state the main types of soil conditioners used in land rehabilitation. (13 Mks)
4 Water harvesting has increasingly become important in ASAL areas of Kenya. Describe the following structures used in this process stating where they are applied.
(a) Negarims (9 Mks)
(b) Contuor ridges (8 Mks)
(c) Semi-circular bunds (8 Mks)
5. (a) What is land degradation? (5 Mks)
(b) Land degradation has become a major concern in sub-Saharan Africa. Discuss this statement with respect to five main impacts that this process creates in the region. (20 Mks)

Alp 2304: Land Degradation, Rehabilitation And Drainage. Question Paper

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