Welcome to the Nutrients course.

Please study each nutrient below and when you have finished studying, scroll down to the bottom to take the test.

Lesson notes:

Introduction - Understand the difference between Major, Secondary and micro nutrients

Nutrients — Study all nutrients below ensuring you understanding the functions in the plant for each

Other Factors — understand each nutrients factors affecting availability to plant


The role of plant nutrition is increasing in importance as we strive to improve the quality of playing surfaces under ever more demanding circumstances.

Balanced plant nutrition ensures the grass plant receives an adequate supply of essential nutrients. Each element is required for a number of different functions within the plant. Soil texture, pH, organic matter, nutrient interactions and rainfall all infl uence nutrient availability

Nutrients are classified into three groups, the major nutrients, secondary nutrients and micronutrients (trace elements).

Major nutrients

  • Nitrogen

  • Phosporus

  • Potassium

Secondary nutrients

  • Calcium

  • Magnesium

  • Sulphur

Micronutrients (trace elements)

  • Boron

  • Cooper

  • Iron

  • Manganese

  • Phosphite

  • Zinc

  • Silicon