Conservation

• The management of human and natural resources to provide maximum benefits over a sustained period of time (see sustainable agriculture). In farming, conservation entails matching cropping patterns and the productive potential and physical limitations of agricultural lands to ensure long-term sustainability of profitable production. Conservation practices focus on conserving soil, water, energy, and biological resources. Contour farming, no-till farming, and integrated pest management are typical examples of conservation practices.
• the protection and care of archaeological resources.
• Preserving and renewing, when possible, human and natural resources. The use, protection, and improvement of natural resources according to principles that will ensure their highest economic or social benefits.
  Source: Terms of the Environment