The environmental and economical values of conservation practices far exceed the perceived negatives or challenges associated with such systems. The environmental value of well-managed conservation systems is in terms of water and soil quality by protecting soils and reducing sediment transport, which is the main contributor to the water quality problems in Iowa. Conservation systems demonstrated the benefits of improving soil organic matter significantly over conventional systems that utilize extensive tillage mono-cropping systems. On average, research showed the no-tillage system with a crop rotation of corn-soybean can contribute annually close to 0.5 ton of total carbon to the soil organic matter.
Iowa State University
Al-Kaisi, Mahdi, "Conservation systems: Challenges and benefits" (2007). Integrated Crop Management News. 982.
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