共 50 条
- [1] EFFECT OF SEPARATION OF NITROGEN AND SULFUR SOURCES ON SULFUR UPTAKE BY CORN SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1970, 34 (05): : 769 - &
- [4] EFFECT OF SULFUR DEFICIENCY AND SULFUR FERTILIZATION ON NITROGEN-COMPOUNDS OF TIMOTHY JOURNAL OF THE SCIENTIFIC AGRICULTURAL SOCIETY OF FINLAND, 1978, 50 (02): : 137 - 146