Question

why do farmers fill their fields with water on a cold night?

answer as fast as you can​

Answer 1

So that the crops could absorb water by the delay of evaporation

Answer 2

Answer:

They do this to save their feild's plant and crop as the water present in plants can freeze in cold night

But

When farmers fill them with water the cold energy present in plant is received by water and release s in atmosphere and thus their field become safe