Nitogen Flashcards
1
Q
Nitrogen- function
A
Major component in protein
Major component in chlorophyll which converts sunlight into plant energy
2
Q
Nitrogen- highest demand
A
During vegetative growth as the root system expands
3
Q
Nitrogen- deficiency
A
Lighter green or yellowing leaves
Stunted growth
Delayed maturity
4
Q
Nitrogen- factors that reduce availability
A
Light and sandy soils
Excessively high or low pH
Heavy rain as it causes leaching
Denitrification – microbes converting nitrate molecules into gas
Volatilisation – is the loss of fertiliser through evaporation
5
Q
Nitrogen- management
A
Crop rotation
Applying synthetic fertiliser Eg) urea
Monitoring soil pH
