共 20 条
[3]
CARTER MR, 1982, CAN J SOIL SCI, V62, P587
[4]
CHESTNUTT DMB, 1984, OCCASIONAL S, V16, P172
[5]
CHESTNUTT DMB, 1970, OCCASIONAL S BRIT GR, V6, P191
[6]
HAYSTEAD A, 1977, J BRIT GRASSLAND SOC, V32, P57
[7]
Haystead A., 1983, Nuclear techniques in improving pasture management., P37
[8]
Haystead A., 1983, Temperate legumes: physiology, genetics and nodulation, P395
[9]
Jenkinson D. S., 1981, SOIL BIOCH, V5, P415