Bulk density data.

<p>Bulk density data corresponding to soil cores obtained from (Blue) “Top” soil cores [soil cored at the 0”-2” depth from surface of the soil horizon] and (Green) “Bottom” soil cores [soil cored at the 2”-4” depth from surface of the soil horizon]. Four observations per genotype included two observations each for “top” or “bottom” cores.</p> <p>(DOCX)</p>