Nutrients and Fertilisers (Grade 12 NSC Matric Physical Sciences): Flashcards
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Definition of nutrients
Definition of nutrients
Chemicals organisms need for metabolism & proper functioning
Source of carbon (C) for plants
Source of carbon (C) for plants
Carbon dioxide in the air
Macronutrients vs micronutrients
Macronutrients vs micronutrients
Needed in large vs small quantities
Function of nitrogen (N)
Function of nitrogen (N)
Proteins and chlorophyll
Function of phosphorus (P)
Function of phosphorus (P)
Photosynthesis and flowering
Function of potassium (K)
Function of potassium (K)
Cell building and disease resistance
Definition of fertilisers
Definition of fertilisers
Compounds given to plants to promote growth
What are organic fertilisers?
What are organic fertilisers?
Made from natural products like manure & compost
Why nutrients must be dissolved
Why nutrients must be dissolved
Plants can only absorb dissolved nutrients
What NPK ratio shows
What NPK ratio shows
Mass ratio of N, P, and K in fertiliser