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In addition, agricultural soil scientists develop methods to preserve the agricultural productivity of soil and to decrease the effects on productivity of erosion by wind and water. For example, a technique called contour plowing may be used to prevent soil erosion and conserve rainfall. Researchers in agricultural soil science also seek ways to use the soil more effectively in addressing associated challenges. Such challenges include the beneficial reuse of human and animal wastes using agricultural crops; agricultural soil management aspects of preventing water pollution and the build-up in agricultural soil of chemical pesticides. Regenerative agriculture practices can be used to address these challenges and rebuild soil health. Soil organic matter is seen as a "nutrient bank" and preserving it (SOM) is also very important to agriculturists. One way soil organic matter is preserved is by the use of conventional (CT) and [[No-till farming|no-tillage systems]].References

Laudicina, V., Barbera, V., Gristina, L., & Badalucco, L. (2012). Management practices to preserve soil organic matter in semiarid mediterranean environment. In P.A. Bjorklund, & F.V. Mello (a cura di), Soil organic matter: ecology, environmental impact and management (pp. 39-61).