Year 13 food security and soils recap

check the components of food security

• access

• utilization

• variety

• stability

• availablity

Which soil problem comes about because of heavy machinery or over grazing of animals?

• water logging

• salinsation

• compaction

• soil erosion

Growing taller plants to provide shade cover is a management strategy for...

• salinisation

• water logging

• soil erosion

• compaction

Which of the following is NOT a strategy for dealing with water logging?

• switch crops to ones that are more water resistant

• improve drainage

• plant crops earlier in the year

• build terraces on a hill side

Latosols cover what percentage of land area?

• 1.5%

• 2.8%

• 5%

• 7.5%

Which soil has the biggest A horizon?

• latosols

• ferralsols

• mollisols

• podzols

Which soil has a characteristically red colour?

• latosols

• mollisols

• podzols

• chernozem

In which countries could I find a mollisol soil? (check all that are correct)

• Ukraine

• Russia

• Spain

• USA

• Argentina

What type of soil erosion does this picture show?

• wind erosion

• water erosion

• salinisation

• water logging

Which soil would lead to extensive farming?

• latosols

• mollisols

• podzols

• ferralsols