共 88 条
[1]
[Anonymous], KREISLAUF KOHLENSAUR
[2]
BARAKOV P, 1910, ZH OPUITN AGRON, V11, P321
[3]
BIZZELL JA, 1918, J AM SOC AGRON, V10, P97
[4]
CANNON WA, 1925, CARNEGIE I WASH PUB, V368, P1
[5]
CARON A, 1895, LANDW VERS STA, V45, P401
[6]
CAUDA A, 1919, NUOVO GIOR BOT ITAL, V26, P169
[7]
CAUDA A, 1915, AGR ITAL, P474
[8]
CHARRIN A, 1893, CR HEBD ACAD SCI, V116, P1082
[9]
CREUZBURG U, 1928, LANDW JAHR, V68, P75
[10]
DEMIDENJKO T, 1928, NAUCH AGRON ZH, V5, P528