Soil rich in Fe and Al due to excessive leaching is

The acidity of soil, which is due to excessive use of fertilizer ammonium sulphate can be neutralized by adding

Assertion: N, P, K are called critical elements. Reasoning: They become deficient easily in soil due to leaching and higher requirement.

Assertion: N, P, K are called critical elements. Reasoning: They become deficient easily in soil due to leaching and higher requirement.

Assertion : In tropical forest, the soil nutrient - poor and acidic. Reason : Decomposition is rapid and soils are subject to heavy leaching.

Assertion (A): Laterite soils are reddish in colour and poor in humus and plant nutrients. Reason (R) : In humid tropical climate, excessive leaching takes place under alternative arid and humid conditions.