TY  - BOOK
AU  - A Study Week on the Use of Fertilizers and their Effect on Crop Growth with Emphasis on Quality and Economy, Apr.10-16,1972.
TI  - Fertilizers, crop quality and economy; proceedings
U1  - 631.8:633 1972.4.10/16 (063) L2 
PY  - 1974///
CY  - Amsterdam
PB  - Elsevier
KW  -  Hernando Fernandez.
KW  - Fertilizers,Crop Improvement,Conferences
ER  -