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Water Productivity in Agriculture Quiz

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Questions and Answers

What is the primary purpose of building stone bunds in the semi-arid Sahel area of North Africa?

To recharge groundwater evenly

To increase surface flow

To facilitate excess water percolation

To trap rainfall and slow surface flow (correct)

Why do farmers build terraces or cut into a slope on sloped land in Asia?

To flatten plot-size areas (correct)

To increase water runoff

To prevent soil erosion

To decrease infiltration of rainwater

How does organic matter in soil improve soil structure in clay soil?

By increasing soil compaction

By forming soil aggregates for root growth (correct)

By reducing drainage pathways

By decreasing water absorption

Which practice helps reduce water losses from runoff and soil surface evaporation?

Drip irrigation Signup and view all the answers

In areas with extreme storms, what is essential for the effectiveness of contour barriers?

Building barriers close together Signup and view all the answers

What does water productivity refer to?

The efficiency of water usage in agriculture Signup and view all the answers

Why is increasing water productivity important in agriculture?

For sustainable agriculture and food security Signup and view all the answers

How can farmers increase agricultural resilience to water shortages and surpluses?

By conserving water through healthy soils and efficient use by crops Signup and view all the answers

What role does capturing rainfall on plots play in agriculture?

Improves production and prevents issues like flooding and landslides Signup and view all the answers

Why should farmers aim for 'more crop per drop' in their water management strategies?

To address the challenges posed by unpredictable rainfall and water scarcity Signup and view all the answers