Starch-Grafted Sodium Alginate-Modified Clay Composites as Environmentally Controlled-Release Materials for NPK Fertilizer

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Sample ID</td><td class="align_center">Activity value</td><td class="align_center">Mineral present</td><td class="align_center">Classification</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Afari</td><td class="align_center">1.65</td><td class="align_center">Ca-montmorillonite</td><td class="align_center">Active clay</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>TAV: theoretical activity values [<a href="/journals/aess/2023/5133023/#B9" target="_blank">9</a>]; SAV: sample activity values.<br/></div></td></tr></table>

<div>Mineral and activity classification of clay sample.</div>

Applied and Environmental Soil Science

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Table 2

Table 2: Starch-Grafted Sodium Alginate-Modified Clay Composites as Environmentally Controlled-Release Materials for NPK Fertilizer 