Rose, Robin. <br/><br/>
Root volume as a grading criterion to improve field performance of Douglas-fir seedlings 

<br/><br/> Sobretiro de : New Forests 5 : 195-209, 1991 
<br/><br/><label>LCCN: </label>6984 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pseudotsuga menziesii.<br/>Raíces