TY  - GEN
AU  - Sparks, Donald L
TI  - Advances in Agronomy Vol 98
SN  - 978013743558
U1  - 630.685 ADV. 98 
CY  - Amsterdam, Elsevier
KW  - Environemntal Toxicity, Biogeochemistry Crop Residue, Amonia Concentration, stem Rust Diseases , nitrogenous  Pollution  Insertional Mutagenesis
ER  -