共 10 条
[1]
BLACKBURN WH, 1978, TEXAS AGR EXPT STATI, V97
[2]
Jackson J. M., 1958, SOIL CHEM ANAL
[3]
Koch P., 1975, Forest Products Journal, V25, P23
[4]
KRAMER PJ, 1960, PHYSL TREES
[5]
Ku T. T., 1973, Proceedings, Arkansas Academy of Science., V27, P21
[6]
OLSON JS, 1959, ORNL2806 US AT EN CO
[7]
SHOULDERS E, 1973, US FOR SERV SO FOR E, V502
[8]
NUTRIENT ACCUMULATION AND CYCLING IN LOBLOLLY-PINE (PINUS-TAEDA L) PLANTATION ECOSYSTEMS - FIRST 20 YEARS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1972, 36 (01)
:143-&
[9]
WELLS CG, 1975, USDA SE126 FOR SERV
[10]
1975, AGR HDB USDA, V436