Consider the following statements regarding the classification of soils in India according to the Indian Council of Agricultural Research (ICAR):

I. Alluvial soils are the most widespread, covering about 45-46% of India's total land area.

II. Black soils are primarily found in the Deccan Plateau and are known for their high clay content.

III. Laterite soils are formed in high rainfall areas due to intense leaching.

How many of the statements given above are correct?