Question

Seed should not be sown on the soil nor should it be sown deep in the soil. Give reason and explain what happens if it is sown in either of the above cases.

Answer 1

Planting a seed at the right depth improves the seed's chances of developing into a hardy seedling and increases germination rates. The precise depth varies depending on the size and type of the seeds you have.In general, seeds should be planted at a depth of two times the width, or diameter, of the seed.

Common effects of planting too deep include limited or failed germination and weak seedlings.When seeds are planted too deep, plants have poor growth, poor emergence, low vigor, and low crop stand. There is also a tendency to have more weeds than crop.

Most seeds doesn't grow when directly sown on the soil either.These seedling's roots does not push down into the soil to anchor the new plant and to absorb water and minerals from the soil. Thus seeds need to be sown into the soil