<div class="description">
<p>"Literature cited": p. 28
</p>
<br>Subjects: Phosphate rock; Phosphatic fertilizers; Soils Phosphorus content</div>
<div class="fn value">
<dl><dd>Ensminger, Leonard Elroy, 1912-</dd>
<dd>Pearson, Robert W., 1910-</dd>
<dd>Armiger, Walter Hamilton, 1914-</dd></dl></div>
Internet Archive identifier