Strategies to Increase Food Supply Flashcards

All 6 cards in this deck

What is irrigation as a strategy to increase food supply?

Artificially supplying water to crops so they can grow in dry areas or through dry seasons.

What is the difference between hydroponics and aeroponics?

Hydroponics grows plants in nutrient-rich water; aeroponics grows them in air with roots misted with nutrients.

What is the new green revolution?

Increasing yields sustainably using biotechnology, water conservation and improved seeds, while protecting the environment and helping small farmers.

What is appropriate technology in farming?

Simple, low-cost technology suited to local conditions and skills, e.g. Zaï pits that collect rainwater and compost around each plant.

True or false? A limitation of appropriate technology is that it is usually small scale.

True. It can raise yields locally but may not improve food supply for everyone.

Give two ways genetically modified (GM) crops can increase food supply.

Any two: bigger harvests from the same land; tolerance of drought; resistance to pests or disease (so less pesticide is needed); added vitamins or nutrients, making the food more nutritious.