共 20 条
[3]
Bremner J.M., 1978, SOIL ENZYMES, P149
[5]
Denmead O. T., 1983, Gaseous loss of nitrogen from plant-soil systems, P133
[9]
Freney J. R., 1981, Ecological Bulletins, P291
[10]
Freney J. R., 1983, Gaseous loss of nitrogen from plant-soil systems, P1