共 17 条
[1]
DORSEY HENRY, 1929, JOUR AMER SOC AGRON, V21, P679
[2]
JOSHI NV, 1920, MEM DEPT AGR INDIAN, V1, P247
[3]
LIPMAN JG, 1908, J AGR SCI, V3, P297
[4]
LIPMAN JG, 1912, NEW JERSEY STATE AGR, V253
[5]
LYON TL, 1925, CORNELL AGR EXP STA, V447
[6]
NICOL H, 1934, IN PRESS BIOL RE OCT
[7]
REMY Th., 1931, Landwirtschaftliche Jahrbucher, V73, P521
[9]
THORNTON HG, 1931, IMP BUREAU SOIL SCI, V20
[10]
Virtanen AI, 1933, BIOCHEM Z, V258, P106