共 28 条
[21]
RENNIE DA, 1978, SASK I PEDOLOGY PU M, V41
[22]
ROSS G J, 1982, SSSA Special Publication, V10, P77
[24]
VANBREEMEN N, 1982, SPEC PUB SOIL SCI SO, V10, P95, DOI DOI 10.2136/SSSASPECPUB10.C6
[25]
VANBREEMEN N, 1976, 848 PUBL DOC CTR AGR
[26]
WAGNER D P, 1982, SSSA Special Publication, V10, P109
[27]
1975, USDA SCS AGR HDB, V436
[28]
1974, 1974 BOOK ASTM ST 26, P507