Which of the following nutrient is obtained from air by plants?
Potassium
Phosphorus
Nitrogen
Oxygen
Oxygen is obtained from air.
Which of the following elements can be obtained by plants directly from air?
Which of the following elements can be obtained by plants directly from the air?
Which of the following elements can be obtained, by plants, directly from the air?
Urea, Uric Acid and Ammonia is obtained by breaking up of which of the following animal nutrients?
What are the basic nutrients which can be obtained from water?