11 Agricultural Science T1 Week 9

Nutrients + Deficiency

Macronutrients

primary major nutrients a plant needs CHaMPiONS CaKe

Carbon

ma: build leaves and stems

Hydrogen

ma: help electron transport chain

Magnesium

ma: old leaves, mottling chlorosis, with necrotic spots

Phosphorous

ma: old leaves, dark green foliage with dark outline

Oxygen

ma: used for cellular repsiration

Nitrogen

ma: old leaves, light green foliage and brown outline

Sulphur

ma: young leaves, veins become chlorotic

Calcium

ma: young leaves, necrosis in young leaves with dieback yellow leaves

Potassium

ma: old leaves, necrotic spots near veins

Mirconutrients

minor nutrients a plant needs to survive MneMonNiCal BrocColi efFect

Manganese

mi: young leaves, small necrotic spots, veins are green and curled

Molybdenum

mi: enables plants to take nitrates up from the soil

Nickel

mi: works as a cofactor to enable urease to catalyze the conversion of urea into the ammonium ion,

Chlorine

mi: affects water availability

Boron

mi: young leaves, distortion in young leaves twisted leaves

Copper

mi: young leaves, wilted no chlorosis, weak stem

Iron

mi: young leaves, chlorotic with no necrosis and veins green

Zinc

mi: young leaves, necrotic spots, thick leaves, short stalks