Management of dry lands UE Past Papers Questions.

Given the annual rainfall of a given dryland is 675 mm and annual evapo-transpiration is 2552 mm. Calculate the aridity index of this area and mention the type of dryland and two possible crops that can be grown in the region.

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UNSOLVED

Describe the importance of rain water harvesting

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UNSOLVED

A family of 5 people living in dryland area has a house with a roof area of 20m by 15 m. Given that runoff coefficient of the roofing material is 78% and the maximum annual rainfall is 600 mm.

1. How much water will be collected from this roof? Express your answer in and L
2. Suppose this mentioned above family uses 90000 L per year (365 days) for domestic purposes. Is the amount of water  harvested enough for domestic purpose of this family in a year? Give reason.
3. The family mentioned in above used to buy one bucket (20 L) of water per which cost 150Tshs/=. How much money will this family save per year if they decide to harvest rain water.

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UNSOLVED

1. Differentiate between conventional agriculture and conservational agriculture.
2. Discuss the advantages and disadvantages of using heavy machinery on farm land.

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UNSOLVED

1. What do you understand by the term “Vulnerability to climate change” ?
2. Developing countries claimed to be the most vulnerable to climate change. Discuss.

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UNSOLVED