Potential Use of Organic- and Hard-Rock Mine Wastes on Aided Phytostabilization of Large-Scale Mine Tailings under Semiarid Mediterranean Climatic Conditions: Short-Term Field Study

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Variable</td><td align="center">Plant aerial biomass</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">DOC</td><td align="center">−0.20</td></tr><tr><td align="left">SOC</td><td align="center">  0.54</td></tr><tr><td align="left">EC</td><td align="center">  0.47</td></tr><tr><td align="left">Microbial basal respiration</td><td align="center">  0.55</td></tr><tr><td align="left">Metabolic quotient</td><td align="center">−0.65</td></tr><tr><td align="left">Cu concentration in pore water</td><td align="center">  0.51</td></tr><tr><td align="left">Microbial biomass C</td><td align="center">  0.60</td></tr><tr><td align="left">Cu concentration in shoots</td><td align="center">−0.42</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>DOC: dissolved organic carbon; SOC: soil organic carbon; EC: electric conductivity.<br/></td></tr></table>

Pearson’s correlation coefficients between plant aerial biomass and several microbial and chemical (bulk and pore water) properties of experimental substrates (<svg height="11.175" id="M32" style="vertical-align:-0.20474pt" version="1.1" viewbox="0 0 44.400002 11.175" width="44.400002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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q0 45 -26.5 69.5t-68.5 24.5q-67 0 -120 -79l-20 20l43 63q51 56 127 56h1q66 0 107 -37t41 -95q0 -42 -31 -71q-22 -23 -68 -54z" id="x33"></path></g><g transform="matrix(.017,0,0,-.017,36.168,10.863)"><path d="M244 635q90 0 143 -72t53 -177q0 -133 -65 -229.5t-171 -139.5q-79 -32 -140 -32l-5 30q109 18 185 91t101 186l-68 -36q-29 -16 -60 -16q-79 0 -129 51.5t-50 130.5q0 80 57 146.5t149 66.5zM228 602q-52 0 -78 -45.5t-26 -98.5q0 -69 36.5 -115.5t97.5 -46.5
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Applied and Environmental Soil Science

tab9

Table 9

Table 9: Potential Use of Organic- and Hard-Rock Mine Wastes on Aided Phytostabilization of Large-Scale Mine Tailings under Semiarid Mediterranean Climatic Conditions: Short-Term Field Study 

Table 9 | Potential Use of Organic- and Hard-Rock Mine Wastes on Aided Phytostabilization of Large-Scale Mine Tailings under Semiarid Mediterranean Climatic Conditions: Short-Term Field Study 