共 13 条
[2]
ARMSTRONG DAVID E., 1964, SOIL SCI, V98, P39, DOI 10.1097/00010694-196407000-00007
[3]
BLACK CA, 1965, METHODS SOIL ANAL ED, V9, P1437
[5]
BREMNER JM, 1965, SOIL NITROGEN AGRONO, V10, P93
[6]
CLARK FE, 1965, SOIL NITROGEN ED, V10, P93
[8]
ESTERMANN EVA F., 1959, SOIL SCI SOC AMER PROC, V23, P31
[9]
FROMAGEOT M, 1948, BIOCHIM BIOPHYS ACTA, V2, P487
[10]
LYNCH D. L., 1956, Soil Science Society of America. Proceedings, V20, P367