The Effect of Nutrients (Leaving Cert Agricultural Science): Flashcards
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What is biomass?
What is biomass?
Total dry weight of plant material
Macronutrients needed by plants
Macronutrients needed by plants
N, P, K, Mg, Ca, S
Role of nitrogen (N) in plants
Role of nitrogen (N) in plants
Promotes shoot growth and leaf development
Role of phosphorus (P) in plants
Role of phosphorus (P) in plants
Supports strong root system development
Role of potassium (K) in plants
Role of potassium (K) in plants
Improves plant vigour and disease resistance
N-only plants: above vs below-ground biomass
N-only plants: above vs below-ground biomass
High above-ground, medium below-ground
P-only plants: above vs below-ground biomass
P-only plants: above vs below-ground biomass
Medium above-ground, high below-ground
Complete NPK treatment results
Complete NPK treatment results
Very high biomass both above and below ground
Why measure dry weight not fresh weight?
Why measure dry weight not fresh weight?
Not affected by water content variations
What are plant deficiency symptoms?
What are plant deficiency symptoms?
Visible signs of inadequate nutrient supply