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What is the most correct benefit of using fertiliser based on soil testing?

Answer and explanation

Correct answer: Balanced and economical use of nutrients

The direct answer is D: balanced and economical use of nutrients. Soil testing measures or estimates which nutrients are available and which may be deficient. Step by step: a soil sample is tested; its nutrient condition is understood; the farmer selects a suitable fertiliser and amount; unnecessary application is avoided; the crop receives needed nutrients while soil health and money are protected. Option D is correct because it combines scientific balance with cost saving. Option A is wrong because fertiliser advice does not stop the sale of crops. Option B is wrong because soil testing does not legally remove pests; pest control is a separate matter. Option C is wrong because fertiliser cannot make irrigation unnecessary; plants still need water. Option D does not promise excess fertiliser or zero input, only suitable and efficient use. Memory cue: test the soil before feeding the crop—right nutrient, right amount, lower waste.

Related tags

AgricultureSoil-TestingFertiliserCost

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