共 8 条
[1]
BLACK CA, 1965, METHODS SOIL ANALY 2
[2]
TOTAL CONTENT OF 9 MINERAL ELEMENTS IN 50 SELECTED BENCHMARK SOIL PROFILES OF CALIFORNIA
[J].
HILGARDIA,
1967, 38 (14)
:541-+
[4]
CHAPMAN HD, 1961, METHODS ANALYSIS SOI, P13
[5]
LEE FG, 1970, LITERATURE REVIEW, P10
[6]
Swaine DJ, 1955, 48 COMM BUR SOIL SCI, V48
[7]
WILBER CG, 1969, BIOLOGICAL ASPECTS W
[8]
1968, WATER QUALITY CRITER