In an experiment to investigate the effect of nitrogen on the growth of plants, the substrate should be a medium of - SchoolNGR

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In an experiment to investigate the effect of nitrogen on the growth of plants, the ...

In an experiment to investigate the effect of nitrogen on the growth of plants, the substrate should be a medium of

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A Washed sand
B Saw dust
C Cow dung
D Clay soil

Correct Answer: Option C

Explanation:

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