Journal 12.docx - Journal 12 Zimdahl Ch 11 Paarlberg Ch 4 5 11 Zimdahl Chapter 11 One of many challenges in the agricultural industry is designing

Journal 12.docx - Journal 12 Zimdahl Ch 11 Paarlberg Ch 4 5...

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Journal 12: Zimdahl Ch. 11, Paarlberg Ch. 4, 5, 11 Zimdahl Chapter 11 One of many challenges in the agricultural industry is designing sustainable production systems that produce sufficient, high-quality food without causing further harm to environment. Every technological advance designed to increase agricultural production created negative ecological and social effects. These technologies were not a success to sustainability. Topsoil is a nonrenewable resource. It takes about 500 years or more to create an inch of topsoil. Due to worldwide damage from soil erosion, the arable land became unproductive. Soil is agriculture’s ultimate resource. Another primary resource for agriculture is water. Globally, agriculture use more than 60% of water to irrigate crops. Water scarcity is the biggest threat to the world food production. The demand for freshwater increases, therefore, the supply of good quality water diminishes. Water is the most common substance on earth. It is essential to the lives of humans and all other living creatures. Soil erosion depleted agriculture’s resource and lost soil pollutes
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