A few gram seeds were placed in each of the three pots A, B, and C containing soil. The soil in Pot A is mixed with some green twigs and leaves. The soil in pot B is mixed with old cow dung while the soil of pot C is mixed with urea. Pots are watered regularly. Which of the following will be observed after 10 days?

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Very little growth in A but a lot growth in B and C

Not much growth in B

A lot of growth in B but very little growth in C

Lot of growth in A

answer is D.

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Detailed Solution

Manure is an organic substance utilised as a fertilizer that is produce when animals and plant wastes like dry leaves, animals remain, and animal waste break down in the presence of microorganisms.
A chemical reaction take place when urea is mixed to the soil's surface, that turn it into ammonium bicarbonate.
To obtain better efficiency, urea can be mixed into the soil. Urea is known as one of the best fertilizers for acidifying soils for plants that love acidic soils.
So, pots B and C will have the strongest seed growth.

Hence, option D is the correct option.

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