Nitrogen cycle
- 1. NITROGEN
CYCLE
NITROGEN GAS
AMMONIUM COMPOUND
PLANTS NITRITE
NITRATE
FERTILIZERS
AQUATIC
ECOSYSTEM
ANIMALS
DENITRIFICATION
DECOMPOSITON
LEACHING
AGRICULTURE
NITRIFICATION
ABSORBTION
NITRIFICATION
DECOMPOSITION
LIGHTNING
AND
COSMIC
NITROGEN
FIXING BACTERIA
FOOD
CHAIN