Problem 1
How do biological cultural energy inputs and industrial cultural energy inputs differ with respect to ecological impacts?
Problem 2
What are some of the types of industrial cultural energy inputs to agriculture that can come from renewable sources?
Problem 4
What roles can animals play in improving the efficiency and effectiveness of energy concen- tration and transfer in agroecosystems?
Problem 5
What is your definition of sustainable energy use in agriculture?
Problem 7
How has our 鈥渇aith in technology鈥 influenced the development of ecologically based, sustain- able sources of energy for agriculture?
Problem 8
What are some of the limitations to 鈥済rowing鈥 energy crops on the farms where the energy will be used?