TY  - GEN
AU  - Lynch, J. M. 
TI  - Soil biotechnology : microbiological factors in crop productivity
SN  - 0632022299
U1  - 631.42 
PY  - 1983///
CY  - Oxford
PB  - ELBS Publishers
KW  - Soil fertility ,acidity, alkalinity
KW  - Soil sciences
ER  -