Immaterial or supernatural: angels and other metaphysical beings. 4. often Metaphysical Of or relating to the poetry of a group of 17th-century English poets whose verse is characterized by an intellectually challenging style and extended metaphors comparing very dissimilar things.
Soil types according to depth are as follows: 1) Shallow Soil - Soil depth less than 22.5cm. Only shallow rooted crops are grown in such soil, e.g. Paddy, Nagli. 2) Medium deep soil - Soil depth is 22.5 to 45cm. Crops with medium deep roots are grown in this type of soil e.g. Sugar cane, Banana, Gram. 3) Deep soil - Soil depth is more than 45cm. Crops with long and deep roots are grown in this type a soil e.g.
There are three main types of soil: 1  Clay soil: Clay has tiny particles that stick together, forming large clumps. While clay soil tends to be of higher fertility than other soil types, it is not optimal to garden in because its texture makes it very difficult for plant roots to work their way into it. Improving clay soil takes some work, but it will make life much easier for your plants. Sandy soil: Sandy soil is definitely easier to work than clay soil -- but it has the opposite problems: it often drains too quickly and is less able to retain nutrients. Loam: This is ideal garden soil.