Final answer:
Complex agriculture is more efficient in terms of human labor due to mechanization, yet it involves greater non-human energy inputs, primarily from fossil fuels. The environmental impact and reliance on non-renewable resources are concerns that are often not considered when discussing the efficiency of this method of farming. Sustainable practices offer a potential solution to balance productivity with ecological responsibility.
Step-by-step explanation:
When discussing the efficiency of complex agriculture, it's often mentioned that this type of farming requires less human energy due to the mechanization and advances in technology. However, one crucial aspect that this argument tends to overlook is the greater non-human energy inputs associated with such practices. For example, conventional agriculture, often termed as intensive or industrial farming, heavily relies on the utilization of fossil fuels for mechanized equipment, thereby increasing the overall energy consumption compared to traditional or subsistence farming practices.
Conventional agriculture may also contribute to environmental issues such as land degradation, soil erosion, and other forms of soil ill health. Additionally, while higher yields do enable larger populations to be supported and promote economic development, they also lead to increased dependence on non-renewable energy sources. Therefore, while advancements in farming have revolutionized food production and society, they have brought about a paradigm where the energy used primarily stems from non-renewable sources rather than human labor.
Furthermore, sustainable agricultural practices are advocated as they aim to reduce such high energy inputs and environmental impact, focusing instead on maintaining productivity and addressing food security while being more ecologically friendly.