Question

Introduction of fertilizers into the field is called biological control of weeds

Answer 1

Answer:

A fertilizer (American English) or fertiliser (British English; see spelling differences) is any material of natural or synthetic origin (other than liming materials) that is applied to soil or to plant tissues to supply one or more plant nutrients essential to the growth of plants.

Organic fertilizer

Answer 2

Biological weed control involves using living organisms, such as insects, nematodes, bacteria, or fungi, to reduce weed populations. ... Plants become pests - and are labeled "weeds" - when they run rampant because their natural enemies become ineffective or are nonexistent.

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