Question

At what depth, soil samples should be taken for knowing the quantity of fertilizers can be taken.

Answer 1

it depends on our soil that. the approx.depth is about 10 cm    . Hope it may help you

Answer 2

 In order to have a detailed idea about the fertilizer recommendation for the nutrition of a plant, you should take separate samples from different depths of an area.

The depth for soil sampling ranges from 0 to 15 cms, 15 cm to 30 cm and 30 cm to 60 cm. These ranges are ideal for knowing proper fertilizer usage.