Earthworm cast is rich in which nutrient?
A. Ca
B. Mo
C. B
D. Zn
Answer: Option A
Solution(By Examveda Team)
Earthworm casts are the indurated soil material surrounding channels left in the soil by earthworms. The earthworm castings help increase soil’s water retention, improve soil aeration, anchor plant nutrients and boost soil fertility.The casting of earthworms is rich in Calcium along with nitrogen, potassium, phosphorus and magnesium.
This Question Belongs to Agriculture >> Soil Science
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