共 17 条
[5]
BREMNER J. M., 1968, Analyt. Lett., V1, P837
[6]
HIPP BW, 1971, SOIL SCI PLANT ANAL, V2, P237
[10]
DETERMINATION OF TOTAL NITROGEN IN PLANT MATERIAL
[J].
AGRONOMY JOURNAL,
1973, 65 (01)
:109-112