<div class="description">
<dl><dd>Caption title</dd>
<dd>Ponderosa pine and eight grass species were planted together on a burned area. Less than half the pine were dead after 3 years, whether in grass areas or not. When pine was planted in year-old grass, 80 percent died. Of pines planted without grass, only 30 percent died. Grass species differed in their effect on tree survival</dd></dl><br>Subjects: Ponderosa pine Breeding; Forest regeneration; Ponderosa pine; Forest regeneration</div>
<div class="fn value">
<dl><dd>Baron, Frank J</dd>
<dd>Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)</dd>
<dd>California Forest and Range Experiment Station</dd></dl></div>
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