共 15 条
[1]
BROADBENT F. E., 1965, SOIL SCI SOC AMER PROC, V29, P692
[2]
EFFECT OF ADDED SALTS ON NITROGRN MINERALIZATION IN 3 CALIFORNIA SOILS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1971, 35 (03)
:457-+
[3]
HAUCK RD, 1970, 15N SELECTED BIBLIOG
[4]
HAUCK RD, 1971, NITROGEN 15 SOIL PLA
[5]
UTILIZATION OF SOIL AND FERTILIZER N BY OATS IN RELATION TO AVAILABLE N STATUS OF SOILS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1967, 31 (02)
:215-&
[6]
LOW A. J., 1957, Journal of Agricultural Science, V49, P56, DOI 10.1017/S0021859600034316
[7]
SAPOZHNIKOV NA, 1968, 9 T INT C SOIL SCI, V2, P467
[8]
STEEL R. G. D., 1960, PRINCIPLES PROCEDURE
[9]
UPTAKE OF FERTILIZER AND SOIL NITROGEN BY RYEGRASS AS AFFECTED BY CARBONACEOUS RESIDUE
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1968, 32 (01)
:86-+