THE NITROGEN CYCLE

PLANTS ABSORBE FROM THE GROUND TOGETHER WITH WATER THE NATURAL ELEMENTS THAT SERVE THEIR GROWTH.

NITROGEN IS ONE OF THE MOST IMPORTANT NUTRITIONAL SUBSTANCES OF PLANTS.

THE 4/5 OF THE AIR ARE FORMED BY NITROGEN, BUT THE PLANTS USE ONLY THE NITROGEN WHICH IS FOUND IN THE GROUND.

AIR NITROGEN IS FIXED INTO THE GROUND BY FIXING NITROGEN BACTERIA THAT ARE FOUND IN THE GROUND AND ON THE ROOTS OF THE LUGUMINOSE.

OTHER BACTERIA FIX NITROGEN IN THE SOIL DECOMPOMING THE ORGANIC WASTE SUBSTANCE (DEAD PLANTS AND ANIMALS, WASTE, ETC ...)