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WHILE the lander from the Viking spacecraft is making a survey of the soil on the planet Mars, Soil Scientists of the USDA Soil Conservation Service and of the Agronomy Department of Virginia Polytechnic Institute & State University are making surveys in 19 Virginia counties at the same time, said D. N. Grimwood, State Conservationist for the Soil Conservation Service in Virginia.
Space scientist will be looking for clues that will help determine if life exists or ever has existed on Mars. Earth soil scientists are looking for clues that help predict the behavior of soils in support of plant and animal life on Earth, Grimwood noted.
“Soil survey information is used by a wide variety of people who make decisions in regard to the use of land. Farmers need to know what kinds of crop yields they can obtain and they need to know how much soil loss they can expect if they cultivate certain soils. Foresters can predict how fast a tree will grow or if a particular species is adapted. Wildlife managers can plan measures that will result in better food supply and improve habitat for birds and animals if they have
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