共 8 条
[7]
ASSESSING PHOSPHORUS BIOAVAILABILITY IN AGRICULTURAL SOILS AND RUNOFF
[J].
FERTILIZER RESEARCH,
1993, 36 (03)
:259-272
[8]
Long-term effect of superphosphate on accumulation of soil phosphorus and exchangeable cations on a grazed, irrigated pasture site[J] . R. J. Haynes,P. H. Williams.Plant and Soil . 1992 (1)