What nutrient deficiency is pictured?

• nitrogen

• phosphorus

• potassium

• iron

What nutrient deficiency is pictured?

• nitrogen

• phosphorus

• potassium

• iron

What nutrient deficiency is pictured?

• nitrogen

• phosphorus

• potassium

• iron

What nutrient deficiency is pictured?

• nitrogen

• phosphorus

• potassium

• iron

yellowing of the main part of leaves due to a nitrogen deficiency is called...

• chlorosis

• marginal burn

• scorch

• interveinal chlorosis

yellowing of the leaf except for the veins due to an iron deficiency is called...

• chlorosis

• marginal burn

• scorch

• interveinal chlorosis

the browning of the edges of leaves due to a potassium deficiency...

• purpling

• chlorosis

• marginal burn / scorch

• alkalinity

the trick for remembering the purposes of NPK

• organic, inorganic

• up, down, all around

• leaves, roots, whole plant

• complete, incomplete

this macronutrient deficiency is rare but results in the whole plant turning a pale yellow color

• potassium

• magnesium

• calcium

• sulfur

Which of the following fertilizer grades is incomplete?

• 10-10-10

• 5-10-5

• 7-0-0

• 2-22-8