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<ahref="https://plu.mx/plum/a/?doi=10.1016%2F0098-8472(92)90046-5"data-popup="right"data-size="large"class="plumx-plum-print-popup"data-site="plum"data-hide-when-empty="true">Chlorophyll a fluorescence of NO 3 -FED vs N 2 -fixing soybean grown under two water treatments</a>
