共 50 条
- [22] NITROGEN STRESS ALTERS ROOT PROLIFERATION IN DOUGLAS-FIR SEEDLINGS [J]. CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 1990, 20 (09): : 1524 - 1529
- [23] RESPONSE OF DOUGLAS-FIR SEEDLINGS TO NITROGEN, SULFUR, AND PHOSPHORUS FERTILIZERS [J]. USDA FOREST SERVICE PACIFIC NORTHWEST RESEARCH STATION RESEARCH PAPER, 1985, (346): : 1 - 14
- [26] RESPONSE OF DOUGLAS-FIR FAMILIES TO NITROGEN AND PHOSPHORUS LEVELS IN THE NURSERY [J]. PROCEEDINGS OF THE TENTH NORTH AMERICAN FOREST BIOLOGY WORKSHOP, 1988, : 85 - 92
- [29] THE DOUGLAS-FIR IN THE EASTERN SAUERLAND [J]. ALLGEMEINE FORST UND JAGDZEITUNG, 1984, 155 (01): : 11 - 14