共 21 条
[3]
LONG-TERM INCREASE OF NITROGEN AVAILABILITY FROM FERTILIZATION OF DOUGLAS-FIR
[J].
CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE,
1985, 15 (04)
:723-724
[5]
CARTER MR, 1982, CAN J SOIL SCI, V62, P587
[9]
KEENEY DR, 1980, FOREST SCI, V26, P159