TY  - BOOK
AU  - Simpson, J.R..
TI  - Developments in Plant and Soil Sciences, vol.9: Gaseous Loss of Nitrogen from Plant-soil systems / 
SN  - 90-247-2820-7
U1  - J:2,41 
CY  - The Hague : 
PB  - Dr.W. Junk Publishers.
KW  - Agriculture <Nitrogen>
ER  -