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NationalAeronauticsand SpaceAdministrahon

LyndonB. Johnson Space Center Houston,Texas77058 AC713 483-5111

Charles Redmond

For Release

Release No: 78-36

August

g,

1978

SYMPOSIUM TO DISCUSS RESULTS OF MAJOR CROP MONITORING EXPERIMENT

For three years the U.S. government, working with university and industrial research groups, has been involved in a major experiment to determine if wheat production in major growing areas throughout the world could be estimated using data from satellites and the global weather observing network.

The Department of Agriculture, the National Oceanic and Atmospheric Adminis- tration have been cooperative partners in the Large Area Crop Inventory Experi- ment, known as LACIE.

This October 23-26, results from the three-year-long experiment will be

discussed at the first major symposium on crop monitoring based on space-age

technology. The symposium will be held at the Johnson Space Center, Houston, Texas. The topics range from the general, such as the state of existing global crop forecasting, to the specific, such as how to estimate sampling size for the statistical analysis used by the computers, This symposium will be a complete reporting on the conduct and results of the experiment.

The LACIE experiment was begun in the fall of 1974. At that time the USDA felt the need for an improved source for global crop information. In the United States, the USDA has already established a reliable and timely crop reporting system but for many important wheat-growing areas, throughout the world, informa-

tion is very limited. The LACIE experiment involved the research, development and testing of an

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