Outline reasons why salinisation of soil occurs.
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Exam code: 7037
Outline reasons why salinisation of soil occurs.
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Outline characteristics of an agricultural system.
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Which of the following strategies would not increase agricultural productivity?
A family planning programme introduced into rural areas in Ghana.
Using better disease management practices on dairy farms in the UK.
Teaching farmers in the Niger how to build stone contours to trap rain water.
Harvesting more butternut squash in East Anglia by employing more temporary migrant labour.
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Outline why salinisation is a problem for agriculture.
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Outline the characteristics of recent global population change.
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Assess the importance of improvements in health and food security in explaining changes in fertility rates.
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Assess the relative importance of two zonal soils you have studied in determining human activity such as agriculture.
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To what extent do you agree that some soil problems related to agriculture are easier to manage than others?
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Study Figure 1, which shows food supply and undernourishment for four world regions.
Figure 1: Food supply and undernourishment by world region
Region | Food supply (kcal per person per day) | Population undernourished (%) |
|---|---|---|
North America and Europe | 3,500 | 2.5 |
Latin America | 3,000 | 6 |
South Asia | 2,500 | 16 |
Sub-Saharan Africa | 2,400 | 22 |
Analyse the data shown in Figure 1.
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Assess the effects of climate change on agriculture.
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Assess the view that achieving food security depends more on managing demand than on increasing food production.
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Assess the view that the relationship between population and food supply is better explained by the ideas of Boserup than those of Malthus.
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Assess the view that climate change is the greatest threat to global food security.
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