A straight fertiliser is one which

A. Comes straight from the factory

B. Has one major nutrient

C. Dissolves quickly

D. None of the above

Answer: Option B

Solution(By Examveda Team)

A straight fertilizer has one major nutrient.
Straight fertilizers are those which supply only one primary plant nutrient, namely nitrogen or phosphorus or potassium. eg. Urea, ammonium sulphate, potassium chloride and potassium sulphate.
Depending upon the nutrient availability they are further classified as nitrogenous, phosphatic and potassic fertilizers.