Agriculture Reference
In-Depth Information
14
CHAPTER
Level 2
Plant nutrition (nutrients,
pH and fertilizers)
Figure 14.1
Wild fl ower arable meadow
This chapter includes the following topics:
•
The nutrient requirements of plants
•
Nitrogen (N)
•
Phosphorus (P)
•
Potassium (K)
•
Magnesium (Mg)
•
Calcium (Ca)
•
Sulphur (S)
•
Iron (Fe)
•
Providing plant nutrients
•
Fertilizers
•
The importance of soil pH
•
Causes of soil acidity
•
Soil testing
•
Adjusting soil pH
