共 14 条
[1]
ABRUNA-RODRIGUEZ FERNANDO, 1955, JOUR AGRIC UNIV PUERTO RICO, V39, P65
[2]
Allison L.E., 1960, SOIL SCI SOC AM J, V24, P36
[3]
BREMNER JM, 1965, AGRONOMY, V9, P1324
[4]
CORNFORTH IS, 1971, TROP AGRIC, V48, P157
[5]
GREWELING T, 1965, 960 CORN U AGR EXPT
[6]
CHARACTERIZATION OF MINERALIZABLE NITROGEN IN SOILS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1966, 30 (06)
:714-&
[9]
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-&