TY  - GEN
AU  - Sparks, Donald L
TI  - Advances in Agronomy Vol 81
T2  - 81
SN  - 0-12-000799-1
U1  - 630.685 AGR.81 
CY  - California, Academic Press
KW  - Soil Erosion, Yield loss, Plant Growth, Rhizobacteria, Potassium Nutrition, Organic Matter
ER  -