P. Gregg
发表
R. Stewart,
R. Brooks,
F. Bennett,
1998
.
A. Chiarucci,
B. Robinson,
V. Dominicis,
1997
.
J. Springett,
J. Syers,
A. Mackay,
1983
.
P. Williams,
M. Hedley,
P. Gregg,
1990
.
N. Bolan,
R. Stewart,
P. Gregg,
2000
.
N. Bolan,
B. Seshadri,
R. Stewart,
2017
.
P. Loganathan,
R. Stewart,
P. Gregg,
1996
.
K. Goh,
P. Gregg,
1978
.
B. Robinson,
R. Brooks,
P. Gregg,
2003
.
B. Robinson,
R. Brooks,
D. Petit,
2000
.
The nickel phytoextraction potential of some ultramafic soils as determined by sequential extraction
B. Robinson,
R. Brooks,
P. Gregg,
1999
.
B. Robinson,
R. Brooks,
P. Gregg,
1996
.
P. Williams,
M. Hedley,
P. Gregg,
1990
.
J. Syers,
A. Mackay,
P. Gregg,
1987,
Fertilizer research.
J. Syers,
A. Mackay,
R. Tillman,
1984
.
A. G. Sinclair,
S. Saggar,
R. E. White,
1999,
Nutrient Cycling in Agroecosystems.
J. Syers,
P. Gregg,
P. Luscombe,
1979
.
P. Loganathan,
M. Hedley,
L. Currie,
1996,
Nutrient Cycling in Agroecosystems.
J. Syers,
A. Mackay,
P. Gregg,
1984
.
N. Bolan,
J. Elliott,
P. Gregg,
1997,
Biology and Fertility of Soils.
J. Syers,
A. Mackay,
P. Gregg,
1984
.
J. Syers,
A. Mackay,
R. Tillman,
1986
.
J. Syers,
P. Gregg,
A. Mackay,
1984
.
Marc Leblanc,
Robert R. Brooks,
Brett H. Robinson,
1998,
Plant and Soil.
S. Saggar,
R. E. White,
M. Hedley,
1993,
Fertilizer research.
S. Saggar,
R. E. White,
M. Hedley,
1992,
Fertilizer research.
J. Syers,
A. Mackay,
P. Gregg,
1980
.
P. E. Schofield,
J. Syers,
P. Gregg,
1981
.
A. Surapaneni,
A. Palmer,
R. Tillman,
2002
.
N. Bolan,
R. Stewart,
P. Gregg,
1996,
Environmental pollution.
B. Robinson,
R. Brooks,
P. Gregg,
1997
.
R. Tillman,
C. Smith,
P. Gregg,
1983
.
J. Syers,
A. Mackay,
P. Gregg,
1980
.
J. Springett,
J. Syers,
A. Mackay,
1982
.
P. Williams,
M. Hedley,
P. Gregg,
1988
.
A. Surapaneni,
A. Roberts,
R. Tillman,
2002
.
J. Syers,
A. Mackay,
L. Currie,
1988,
Fertilizer research.
J. Syers,
A. Mackay,
R. Tillman,
1987,
Fertilizer research.
J. Syers,
R. Tillman,
P. Gregg,
1980
.
J. Syers,
J. K. Syers,
G. P. Mansell,
1981
.
M. Nguyen,
R. Tillman,
P. Gregg,
1989
.
J. Syers,
P. Gregg,
A. Gillingham,
1980
.
P. Williams,
M. Hedley,
P. Gregg,
1989
.
Evaluation of sulphur status of East Coast pastures of the North Island, New Zealand 2. Field trials
M. Nguyen,
R. Tillman,
P. Gregg,
1989
.
A. Surapaneni,
A. Roberts,
R. Tillman,
2002
.
S. Saggar,
N. Bolan,
M. Hedley,
1990
.
J. Hanly,
P. Gregg,
2004
.
K. Goh,
P. Gregg,
1979
.
P. Gandar,
I. H. Mohammed,
P. Gregg,
1986
.
P. Williams,
M. Hedley,
P. Gregg,
1990
.
K. Goh,
T. Walker,
P. Gregg,
1977
.