TY  - GEN
AU  - Sparks, Donald L
TI  - Advances in Agronomy Vol. 94
T2  - 94
SN  - 139780123741073
U1  - 630.685 AGR.94 
CY  - California, Academic press
KW  - Soil Rexox/ Rice Production/ Phosphate Reaction/ Ecological AGriculture/ Carbon Metabolism/ Grass Lands
ER  -