TY - JOUR AU - Stone, Edward C. TI - Sugar pine seedling survival: Investigations indicate seed storage conditions important factor affecting vigor and subsequent survival of seedlings JF - California Agriculture JO - Calif Agr Y1 - 1957/09/01 VL - 11 IS - 9 SP - 8 EP - 15 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v011n09p8 AB - Raising trees in the forest from planted seed—direct seeding—depends upon several factors.