TY  - BOOK
AU  - D.C. Whitehead
TI  - Role of nitrogen in grassland productivity : A review of information from temperate regions
SN  - 851980155
U1  - 633.208 
PY  - 1970///
CY  - England
PB  - Common Wealth Bureu of Pastures andField Crops
N1  - D.C. Whitehead: Role of nitrogen in grassland productivity : A review of information from temperate regions.  England.  Common Wealth Bureu of Pastures andField Crops, 1970. 851980155--(633.208WHI)
ER  -