Nitrogen is an important nutrient used up by all plants. In marijuana, it is one of the very essential elements required because they convert it into proteins they use to grow properly throughout all the stages in their lifecycle namely germination, vegetating, bud growth and flowering. Nitrogen will be found in the leaves and the tips of the plants shoots where it assists in the production of chlorophyll (which is what gives the leaves their green colour), proteins and other enzymes. When the ...