AGRI 482: CROPPING SYSTEMS

AGRI 482



AGRI 482: CROPPING SYSTEMS

STREAMS: BSC. AGRIC (Y4S2) TIME: 2 HOURS

DAY/DATE: MONDAY 27/09/2021 8.30 A.M. – 10.30 A.M.
INSTRUCTIONS
Answer all questions in section A and any TWO questions in section B
Question one
Explain the reasons why the mixed cropping systems can be:
a) Effective in control of pests and disease. (4 marks)
b) Susceptible to attack by pests and disease. (3 marks)


Question two
Explain six characteristics of a good intercrop/minor crop. (6 marks)


Question three
Discuss four factors to be considered for the success of a cereal-legume intercropping system.
(8
marks)
Question four
i. Explain the term annidations and discuss the two types occurring in multiple cropping.
(5
marks)
ii. Explain the term sequential cropping system and discuss three types of sequential
cropping. (4 marks)
SECTION B (40 MARKS)
Answer any two questions
Question five
a) Discuss the concept of multi-storey cropping and its demerits: (10 marks)
b) Discuss the following production risk reduction strategies in multiple cropping
i. System flexibility (5 marks)
ii. Production diversification (5 marks)


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