Source Identification and Spatial Distribution of Heavy Metal Concentrations in Shallot Fields in Brebes Regency, Central Java, Indonesia

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Heavy metals</td><td class="align_center">PC1</td><td class="align_center">PC2</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Pb</td><td class="align_center">0.546</td><td class="align_center">−0.246</td></tr><tr><td class="align_left">Cd</td><td class="align_center">−0.0165</td><td class="align_center">−0.749</td></tr><tr><td class="align_left">Co</td><td class="align_center">−0.042</td><td class="align_center">0.598</td></tr><tr><td class="align_left">Ni</td><td class="align_center">0.580</td><td class="align_center">−0.068</td></tr><tr><td class="align_left">Cr</td><td class="align_center">0.580</td><td class="align_center">0.130</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Principal component (PC) matrix correlating heavy metal concentrations in shallot fields in Brebes Regency, Central Java, Indonesia.</div>

Applied and Environmental Soil Science

tab4

Table 4

Table 4: Source Identification and Spatial Distribution of Heavy Metal Concentrations in Shallot Fields in Brebes Regency, Central Java, Indonesia 