共 9 条
[4]
DRAKE M, 1953, 475 MASS AGR EXP STA, P32
[5]
DRAKE MACK, 1961, SOIL SCI, V91, P66, DOI 10.1097/00010694-196101000-00012
[6]
McLEAN E. O., 1957, SOIL SCI SOC AMER PROC, V21, P219
[7]
McLEAN E. O., 1956, SOIL SCI SOC AMER PROC, V20, P345
[8]
YIELD AND VEGETATIVE AND CHEMICAL COMPOSITION OF FORAGE CROPS AS AFFECTED BY SOIL TREATMENT
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1953, 17 (01)
:42-46
[9]
SMITH R. L., 1956, SOIL SCI, V82, P165, DOI 10.1097/00010694-195607000-00003