Chapter 7 - Soil, Agriculture, and the Future of Food

These flashcards cover key concepts from Chapter 7, including sustainable agriculture, food security, environmental impacts, and practices related to soil and agriculture.

What is the primary focus of Chapter 7 in relation to agriculture?

The chapter discusses the challenges of feeding a growing population, the importance of sustainable practices, the Green Revolution, and food security.

What was a main result of the Green Revolution?

The Green Revolution introduced new technology, crop varieties, and farming practices to increase food production but also led to soil degradation.

What are the main factors contributing to soil formation?

Soil formation is influenced by climate, organisms, topography, parent material, and time.

What are the consequences of overnutrition?

Overnutrition leads to health issues such as heart disease, diabetes, and certain cancers due to excessive calorie intake.

What is the definition of food security?

Food security is the guarantee of an adequate, safe, nutritious, and reliable food supply.

What are the characteristics of sustainable agriculture?

Sustainable agriculture maintains healthy soil, clean water, and aims to reduce environmental impacts by mimicking natural ecosystems.

What is a consequence of soil erosion?

Soil erosion leads to nutrient depletion and can significantly reduce agricultural productivity.

What practices can farmers use to reduce soil erosion?

Farmers can use contour plowing, terracing, crop rotation, and cover crops to prevent soil erosion.

What trend has occurred regarding the consumption of organic foods?

Demand for organic foods has increased, with about 80% of Americans purchasing organic products occasionally.

What are the potential environmental impacts of genetically modified organisms (GMOs)?

GMOs may interbreed with wild relatives, potentially affecting biodiversity and ecological balance.