共 30 条
[1]
CHAPMAN H.E., 1966, DIAGNOSTIC CRITERIA
[2]
VARIATIONS IN TENSION LYSIMETER LEACHATE VOLUMES
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1970, 34 (02)
:309-&
[3]
GROWTH AND MORPHOGENESIS IN THE CANADIAN FOREST SPECIES .1. THE CONTROLS OF CAMBIAL AND APICAL ACTIVITY IN PINUS-RESINOSA AIT
[J].
CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE,
1953, 31 (04)
:471-513
[4]
FRIESNER RAY C, 1952, BUTLER UNIV BOT STUD, V10, P119
[5]
GOODALL DW, 1947, 17 IMP BUR HORT PLAN
[6]
VARIATION IN POTASSIUM AVAILABLE TO TREES WITHIN AN OUTWASH SOIL
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1969, 33 (06)
:950-+
[7]
HEIBERG SO, 1958, 1 N AM FOR SOILS C P, P172
[8]
Kenworthy A. L., 1964, FRUIT NUT PLANTATION
[9]
LEAF A. L., 1968, Forest Fertilization: Theory and Practice, Symp. For. Fertil. 1967., P88
[10]
LEAF AL, 1967, 14 IUFR C MUN, V2, P282