Question

why is excessive irrigation harmful to the crop ​

Answer 1

Answer:

Excess water supply to the crops may result in a condition known as water loging.it reduces air in the soil thereby damaging the roots. if too much of water is in the soil then water will log and there wont be an air for the plant to breathe through roots.

Explanation:

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Answer 2

Explanation:

In sandy soil if heavy irrigation is given the water will rapidly percolate down and will be wasted. The water table may be high and the additional water accumulates and chokes the air spaces and saturates the surface and sub-soil. Many toxic salts affecting water absorption by roots and causes damage to crops.