Farming Methods and Energy Efficiency

The video discusses the systems approach to farming, highlighting the importance of inputs, processes, and outputs. It explores economic scenarios in farming, such as profit and loss, and their feedback effects on the system. The video also examines energy efficiency and water usage in food production, emphasizing the impact of different farming practices. Various types of farming systems, including subsistence, commercial, intensive, and extensive farming, are explained with their unique characteristics.

What are the main types of inputs considered in a systems approach to farming?

• Chemical, biological, and mechanical

• Environmental, financial, and educational

• Social, political, and technological

• Physical, cultural, economic, and behavioral

Which scenario describes a situation where revenue exceeds costs in farming?

• Equilibrium

• Profit

• Break-even

• Loss

What is the energy efficiency ratio a measure of?

• The amount of water used in production

• The amount of energy put into a system compared to outputs

• The cost of inputs compared to revenue

• The environmental impact of farming

Which farming method is considered most energy efficient?

• Commercial farming

• Intensive farming

• Shifting cultivation

• Coastal fishing

Why might the energy efficiency ratio not be fully relevant?

• It only considers traditional farming methods

• It ignores the cost of inputs

• It does not account for water usage

• It overlooks processing and transportation stages

Which type of farming is most common in less economically developed countries (LEDCs)?

• Extensive farming

• Intensive farming

• Subsistence farming

• Commercial farming

What is the primary goal of commercial farming?

• To feed the farmer's family

• To maximize yields for profit

• To minimize environmental impact

• To preserve traditional methods

What distinguishes extensive farming from intensive farming?

• Extensive farming uses more labor

• Intensive farming requires more land

• Intensive farming is less efficient

• Extensive farming uses large plots of land

Which type of farming involves moving around the country?

• Pastoral farming

• Shifting cultivation

• Commercial farming

• Intensive farming

What is a key characteristic of pastoral farming?

• Using high amounts of labor

• Growing perennial crops

• Maximizing yields per hectare

• Raising animals on less favorable land