Mineral Nutrition In Plants Question 95
Question: With reference to soil critical element means
Options:
A) Nitrogen and phosphorus
B) Nitrogen and potassium
C) Potassium and chlorine
D) Nitrogen, phosphorus and potassium
Show Answer
Answer:
Correct Answer: D
Solution:
Macronutrients which become commonly deficient in the soils are called critical elements.
They are three in number - N, P and K.
These are given in form of fertilizers.