TY  - BOOK
AU  - Symposium on Nutrient Mobility in Soils, Detroit, Nov.11,1979.
TI  - Nutrient mobility in soils, accumulations and losses; proceedings
T2  - SSSA Special Publications Series; no.4
U1  - 631.41:631.811 1969.11.11 (082.2) L1 
PY  - 1970///
CY  - Madison
PB  - Soil Science Society of America
KW  -  Orvis P.Engelstad.
KW  - Nutrient media(Biology),Ionic mobility,Soil testing
ER  -