TY  - BOOK
TI  - Sustainable Nutrient Management in Agriculture: A simulation programme for calculating field level plant nutrition recommendations
U1  - 631.81  N6 
PY  - 1996///
CY  - Netherlands
PB  - Stichting Mondiaal Alternatief
KW  - Hekstra Albert
KW  - Nutrients,Sustainable agriculture
ER  -