共 15 条
[1]
BONNER J, 1965, PLANT BIOCHEMISTRY
[2]
BROWN R. H., 1965, CROP SCI, V5, P577
[8]
EVALUATION OF SLOW-RELEASE NITROGEN SOURCES ON MERION KENTUCKY BLUEGRASS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1970, 34 (02)
:335-+