共 31 条
[21]
OSBURN WS, 1967, RADIOECOLOGICAL CONC, P675
[22]
RETZER JOHN L., 1965, SOIL SCI, V99, P38, DOI 10.1097/00010694-196501000-00007
[23]
Rhoades J D, 1986, AGRONOMY, V9, P149
[25]
SNEDDON J I, 1972, Soil Science Society of America Proceedings, V36, P104
[26]
Thomas G. W., 1982, AGRONOMY MONOGRAPH, V9, P159, DOI DOI 10.1016/J.AGWAT.2006.07.010
[27]
Thorn C.E., 1980, PHYS GEOGR, V1, P162
[29]
1975, USDA SCS AGR HDB, V436
[30]
1982, USDA1 SOIL CONS SERV