共 14 条
[1]
ARMSON KA, 1974, P WORKSHOP FOREST FE, P17
[2]
GESSEL S. P., 1956, SOIL SCI SOC AMER PROC, V20, P97
[3]
HEIBERG SO, 1951, SOIL SCI SOC AM J, V15, P369, DOI DOI 10.2136/SSSAJ1951.036159950015000C0084X
[4]
HEIBERG SVEND O., 1964, FOREST SCI, V10, P17
[6]
ANNUAL VARIATION IN FOLIAGE OF FERTILIZED AND/OR IRRIGATED RED PINE PLANTATIONS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1970, 34 (04)
:677-+
[7]
LEAF AL, 1975, FOREST SCI, V21, P88
[8]
LEAF AL, 1969, ADV FRONTIERS PLANT, V24, P1
[9]
LEECH RH, 1965, 68 ONT DEP LANDS FOR
[10]
MITCHELL K J, 1972, Canadian Journal of Forest Research, V2, P95, DOI 10.1139/x72-019