共 27 条
[2]
PROCESSES OF HUMUS FORMATION AND TRANSFORMATION IN SOILS OF THE CANADIAN GREAT PLAINS
[J].
JOURNAL OF SOIL SCIENCE,
1979, 30 (01)
:77-84
[4]
BAIER W, 1970, 8 P M CAN SOIL SURV, P35
[7]
Black C.A, 1965, METHODS SOIL ANAL 3, V2, P1149, DOI DOI 10.2136/SSSABOOKSER5.3.C37
[8]
CAMPBELL CA, 1976, P ALBERTA SOIL SCI W, P7
[9]
Clayton J. S., 1977, SOILS CANADA, V1