共 21 条
[1]
[Anonymous], 1970, OFFICIAL METHODS ANA
[2]
BOULD C., 1960, Journal of the Science of Food and Agriculture, V11, P229, DOI 10.1002/jsfa.2740110501
[3]
Bradstreet R., 1965, KJELDAHL METHOD ORGA, DOI 10.1016/C2013-0-12545-7
[4]
BREMNER J. M., 1965, SOIL SCI SOC AMER PROC, V29, P504
[5]
DOTY WH, 1970, J ASSOC OFF ANA CHEM, V53, P801
[6]
EBELING ME, 1967, J ASSOC OFF ANA CHEM, V50, P38
[7]
FARMER SN, 1967, CHEM IND-LONDON, P154
[8]
HAMLYN FG, 1970, CHEM IND-LONDON, P1142
[9]
HANWAY JJ, 1962, AGRON J, V54, P217, DOI 10.2134/agronj1962.00021962005400030011x
[10]
Humphries E. C., 1956, MOD METHOD PLANT, P468, DOI DOI 10.1007/978-3-662-25300-7_17