The optimum depth of kor watering for wheat in North Indian Plains is 17.5 cm. This is because wheat is a shallow-rooted crop and does not require deep watering. In fact, deep watering can actually damage the roots of the plant. Kor watering is a method of irrigation that involves flooding the field with water for a short period of time. This method is effective
in watering wheat because it allows the water to reach the roots of the plant without damaging them.Option A: 23.0 cm is too deep for kor watering. This would cause the roots of the plant to rot.
Option B: 19.0 cm is too deep for kor watering. This would cause the roots of the plant to rot.
Option C: 17.5 cm is the optimum depth for kor watering. This will allow the water to reach the roots of the plant without damaging them.
Option D: 13.5 cm is too shallow for kor watering. This will not allow the water to reach the roots of the plant.