TY  - BOOK
AU  - Colloquium of the International Potash Institute..Itlay,1984
TI  - Nutrient balances and fertilizer needs in temperate agriculture
U1  - 631.811 C51N 
CY  - Worblaufen Bern
PB  - Switzerland
KW  - AGRICULTURE -- FERTILIZERS AND MANURES -- CONGRESSES
KW  - AGRICULTURE -- FERTILIZERS AND MANURES -- CO
KW  - SOILS AND NUTRITION -- CONGRESSES
ER  -