Heavy applications of potassium fertilizers often lead to reduced absorption of

A. Magnesium and Calcium

B. Boron and Manganese

C. Nitrogen, Phosphorus and Potassium

D. Zinc and Copper

Answer: Option D

Solution(By Examveda Team)

Heavy applications of potassium fertilizers often lead to reduced absorption of zinc and copper.
The high availability of potassium is unhealthy for plants because it affects the absorption of other critical nutrients required for the development of plants.
Whereas the low percentage of potassium can also prevent excess phosphorus from running into the waterways which may damage the aquatic life.