TY  - BOOK
AU  - Helsel, Zane R.
TI  - Energy in plant nutrition and pest control
SN  - 0444427538
PY  - 1987///
CY  - Amsterdam
PB  - Elsevier
KW  - Fertilizers
KW  - Fertilizer industry
KW  - Energy consumption
KW  - Perticides
KW  - Pesticides industry
KW  - Crops
KW  - Nutrition
KW  - Agriculture
ER  -