共 10 条
[2]
DREIBELBIS FR, 1946, SOIL SCI SOC AM P, V11, P183
[4]
ENGELSTAD OP, 1970, SPEC PUB SOIL SCI SO, V4
[5]
HINESLY TD, 1984, PB84117142
[6]
KILMER VJ, 1968, ROLE POTASSIUM AGR
[10]
1979, METHODS DETERMINATIO, P235