Question

why is alluvial soil poor in phosphorus? ​

Answer 1

Answer:

Hi friends

Explanation:

The alluvial soils vary in nature from sandy loam to clay. They are generally rich in potash but poor in phosphorous. In the Upper and Middle Ganga plain, two different types of alluvial soils have developed, viz. Khadar and Bhangar.

Answer 2

Answer:

Alluvial soils of the northern plains —> transported soils —> therefore lack humus —> lack nitrogen [That is why we need to use nitrogenous fertilisers in the northern plains!]. ... These soils lack in nitrogen, phosphorus and humus. However, they are generally rich in potash and lime.

Explanation:

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