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Topsoil is composed of mineral particles and organic matter and usually extends to a depth of 5-10 inches (13–25 cm). Together these make a substrate capable of holding water and air which encourages biological activity.
Topsoil harvesting means a second location will be degraded, and collection and transport expenses will generally be higher than using local materials to create a new soil. Soil that was removed and stockpiled (e.g. during the operation of a mine), can become part of a constructed soil once a site is being reclaimed.
A sieve analysis (or gradation test) is a practice or procedure used in geology, civil engineering, [1] and chemical engineering [2] to assess the particle size distribution (also called gradation) of a granular material by allowing the material to pass through a series of sieves of progressively smaller mesh size and weighing the amount of material that is stopped by each sieve as a fraction ...
There are many Tamil loanwords in other languages. The Tamil language , primarily spoken in southern India and Sri Lanka , has produced loanwords in many different languages, including Ancient Greek , Biblical Hebrew , English , Malay , native languages of Indonesia , Mauritian Creole , Tagalog , Russian , and Sinhala and Dhivehi .
Soil erosion may be a slow process that continues relatively unnoticed, or it may occur at an alarming rate causing a serious loss of topsoil. The loss of soil from farmland may be reflected in reduced crop production potential, lower surface water quality and damaged drainage networks. Soil erosion could also cause sinkholes.
Paddy fields in present-day Tamil Nadu. Among the five geographical divisions of the Tamil country in Sangam literature, the Marutam region was the most fit for cultivation, as it had the most fertile lands. [2] The prosperity of a farmer depended on getting the necessary sunlight, seasonal rains and the fertility of the soil.
Madras Bashai evolved largely during the past three centuries. With the eponymous city's emergence into importance in British India (when the British recovered it from the French), and as the capital of Madras Presidency, the region's exposure to the western world increased, and a number of English words crept into the vocabulary: many such words were introduced by educated, middle-class Tamil ...
The verb to have in the meaning "to possess" is not translated directly, either. To say "I have a horse" in Tamil, a construction equivalent to "There is a horse to me" or "There exists a horse to me", is used. Tamil lacks relative pronouns, but their meaning is conveyed by relative participle constructions, built using agglutination. For ...