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.
One way that farms can control runoff is by planting cover crops when the fields do not have anything planted in them. A cover crop is a crop that is planted mostly during the winter when most other plants cannot grow. Farmers plant these crops to help stop soil erosion. Cover crops help stop erosion because these plants hold the soil in place with their roots, which means that wind or water cannot wash the soil away. Cover crops also help to increase the organic matter in soil, which increases soil health.