TY  - BK
AU  - Bornemisza Steiner,E.
ED  - Costa Rica Univ., San Jose (Costa Rica)
TI  - Problems of sulphur in soils and crop cultivation in Central America
SN  - 9977-67-139-7
U1  - 92-041138 
PY  - 1990///
KW  - America
KW  - Central America
KW  - Elements
KW  - Fertilizing
KW  - Latin America
KW  - Nonmetals
KW  - Nutrition physiology
KW  - Physiological functions
KW  - Physiological requirements
KW  - Soil fertility
KW  - AGROVOC
N1  - Ill.; Bibliography
ER  -