[6], Soil is a product of several factors: the influence of climate, relief (elevation, orientation, and slope of terrain), organisms, and the soil's parent materials (original minerals) interacting over time.

soil tamil meaning and more example for soil will be given in tamil. Cation-exchange capacity (CEC) is the amount of exchangeable cations per unit weight of dry soil and is expressed in terms of milliequivalents of positively charged ions per 100 grams of soil (or centimoles of positive charge per kilogram of soil; cmolc/kg). [287] The term sand boil is used to describe the appearance of the discharging end of an active soil pipe.

Under such conditions, plants (in a first stage nitrogen-fixing lichens and cyanobacteria then epilithic higher plants) become established very quickly on basaltic lava, even though there is very little organic material. Salination occurs due to a combination of natural and human-caused processes. The final stage of decomposition is called humus. The water in the smallest pores is so strongly held to particle surfaces that plant roots cannot pull it away.

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[85] The potential energy of water per unit volume relative to pure water in reference conditions is called water potential.


Soil nailing is a construction remedial measure to treat unstable natural soil slopes or as a construction technique that allows the safe over-steepening of new or existing soil slopes. [113][114] Paper Koopa, [135] In addition, the soil voids are saturated with water vapour, at least until the point of maximal hygroscopicity, beyond which a vapour-pressure deficit occurs in the soil pore space. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Adding organic matter (like ramial chipped wood for instance) to soil which is depleted in nutrients and too high in sand will boost its quality. A marshy or miry place to which a hunted boar resorts for [183], In high rainfall areas, soils tend to acidify as the basic cations are forced off the soil colloids by the mass action of hydrogen ions from the rain against those attached to the colloids.

It is the surface chemistry of mineral and organic colloids that determines soil's chemical properties. Evapotranspiration plus water held in the plant totals to consumptive use, which is nearly identical to evapotranspiration. Places To Rent In Bethesda, The World Reference Base for Soil Resources (WRB)[261] aims to establish an international reference base for soil classification. In addition to providing you the matching Tamil words for your search, this dictionary also gives you related Tamil words with their pronunciation. Rapid salination occurs when the land surface is within the capillary fringe of saline groundwater.

In 1856 J. Thomas Way discovered that ammonia contained in fertilisers was transformed into nitrates,[311] and twenty years later Robert Warington proved that this transformation was done by living organisms. Septic drain fields treat septic tank effluent using aerobic soil processes.

Soil pH is a function of many soil forming factors, and is generally lower (more acid) where weathering is more advanced.[43].

The degree of buffering is often related to the CEC of the soil; the greater the CEC, the greater the buffering capacity of the soil. [41][42], Plant nutrient availability is affected by soil pH, which is a measure of the hydrogen ion activity in the soil solution. Irrigation of arid lands is especially problematic.

[249] Upper soil horizons may be lacking in truncated soils following wind or water ablation, with concomitant downslope burying of soil horizons, a natural process aggravated by agricultural practices such as tillage. Do not use separators, such as commas. click 'SEARCH'.Welcome to the world's largest and most popular free English to Tamil dictionary & Tamil to English dictionary with spell check! [204], Plant uptake of nutrients can only proceed when they are present in a plant-available form.

[71] The amount of water remaining in a soil drained to field capacity and the amount that is available are functions of the soil type. Your email address will not be published. [300], Experiments into what made plants grow first led to the idea that the ash left behind when plant matter was burned was the essential element but overlooked the role of nitrogen, which is not left on the ground after combustion, a belief which prevailed until the 19th century.

A low pH may cause hydrogen of hydroxyl groups to be pulled into solution, leaving charged sites on the colloid available to be occupied by other cations. Sustainable Houses Australia, Magnesium, Sulfur, Potassium; depending upon soil composition, Nitrogen; usually little, unless nitrate fertiliser was applied recently. Soil is one of the most important non-renewable basic resources on the earth’s surface. [241] Conversely, excessive rain and high temperatures of tropical climates enables rapid decomposition of organic matter and leaching of plant nutrients.

While you type English letters phonetically, and hit the space bar, these will be automatically converted into Tamil letters. [62] In a loam soil, solids constitute half the volume, gas one-quarter of the volume, and water one-quarter of the volume[32] of which only half will be available to most plants, with a strong variation according to matric potential.

Many soils, including desert and rocky-gravel soils, have little or no organic matter. If you want to download dictionary software to your PC, you can, You can download free PDF dictionaries from. [263] Soil serves as a foundation for most construction projects. During the European Middle Ages, Yahya Ibn al-'Awwam's handbook,[297] with its emphasis on irrigation, guided the people of North Africa, Spain and the Middle East; a translation of this work was finally carried to the southwest of the United States when under Spanish influence.

The mineralogy of the finest soil particles, clay, is especially important.[152]. Both animals and humans occasionally consume soil for medicinal, recreational, or religious purposes.

[216] Humus is never pure in the soil, because it reacts with metals and clays to form complexes which further contribute to its stability and to soil structure. One of the first classification systems was developed by the Russian scientist Vasily Dokuchaev around 1880. Academy Award For Best Actor 1994,

[180] Given that at low pH toxic metals (e.g. 2. All water below wilting point is called unavailable water.[89]. To convert numbers to Tamil words, select the Translate Number to Tamil Word button, CHENNAI: Water and soil from sacred places in Tamil Nadu associated with the ancient epic Ramayana is being couriered to Ayodhya for the foundation stone …

[209][206], Soil organic matter is made up of organic compounds and includes plant, animal and microbial material, both living and dead.

These differ in one or more properties such as in their texture, structure, density, porosity, consistency, temperature, color, and reactivity. As a result, the soils under grasslands generally develop a thicker A horizon with a deeper distribution of organic matter than in comparable soils under forests, which characteristically store most of their organic matter in the forest floor (O horizon) and thin A horizon. On parent materials richer in weatherable minerals acidification occurs when basic cations are leached from the soil profile by rainfall or exported by the harvesting of forest or agricultural crops.

Soil provides the support and nutrients that many plants need to grow. This dictionary helps you to search quickly for Tamil to English translation, English to Tamil translation, or For Tamil to English translation, you have several options to enter Tamil words Bacteria and fungi feed on the raw organic matter, which are fed upon by protozoa, which in turn are fed upon by nematodes, annelids and arthropods, themselves able to consume and transform raw or humified organic matter.
Tamil words for alluvium include வண்டல் மண் and ஆற்றுவண்டல். Don't soil your dress with these dusty books! [208] All in all, small amounts of humus may remarkably increase the soil's capacity to promote plant growth.

The amount of lime needed to neutralize a soil must take account of the amount of acid forming ions on the colloids (exchangeable acidity), not just those in the soil water solution (free acidity).

Dictionary in 3 modes : You can use this dictionary in three ways : translate English words to Tamil, You can use this as a Thesaurus also.

Increased population and livestock pressure on marginal lands accelerates desertification. More precisely, it is a measure of hydrogen ion concentration in an aqueous solution and ranges in values from 0 to 14 (acidic to basic) but practically speaking for soils, pH ranges from 3.5 to 9.5, as pH values beyond those extremes are toxic to life forms. [174] The order reflecting the strength of anion adhesion is as follows: The amount of exchangeable anions is of a magnitude of tenths to a few milliequivalents per 100 g dry soil. [82] When a field is flooded, the soil pore space is completely filled by water. this will be translated to ஐநூற்று ஐம்பத்து ஐந்து. [136] Oxygen from above atmosphere diffuses in the soil where it is consumed and levels of carbon dioxide in excess of above atmosphere diffuse out with other gases (including greenhouse gases) as well as water. The types of soil and available moisture determine the species of plants that can be cultivated. soil : தழைவெட்டு , கால்நடைகளுக்குப் புதிதாக வெட்டப் பெற்ற பசுந்தழைத் தீவனம் இடு . Tennis courts arouse limited interest, but water has the most universal appeal.“Water is essential to life.

Most plant nutrients, with the exception of nitrogen, originate from the minerals that make up the soil parent material. [228] Clay soils often have higher organic contents that persist longer than soils without clay as the organic molecules adhere to and are stabilised by the clay. Broken rock fragments, often mixed with decayed organic matter. TamilCube.com's popular Tamil PDF eBooks collection. [218] Humus also absorbs water, and expands and shrinks between dry and wet states to a higher extent than clay, increasing soil porosity. The movement of massive volumes of soil can be involved in surface mining, road building and dam construction. Scientists experimented with adding bentonite, one of the smectite family of clays, to the soil. click 'SEARCH'. This dictionary is the best fit to run on your phones and mobile devices including Android phones, iPhone, iPad, iPod Touch or Blackberry. A study of a single winter rye plant grown for four months in one cubic foot (0.0283 cubic meters) of loam soil showed that the plant developed 13,800,000 roots, a total of 620 km in length with 237 square meters in surface area; and 14 billion hair roots of 10,620 km total length and 400 square meters total area; for a total surface area of 638 square meters.

[37] Where these aggregates can be identified, a soil can be said to be developed, and can be described further in terms of color, porosity, consistency, reaction (acidity), etc. Under present-day global warming peat soils are thought to be involved in a self-reinforcing (positive feedback) process of increased emission of greenhouse gases (methane and carbon dioxide) and increased temperature,[275] a contention which is still under debate when replaced at field scale and including stimulated plant growth.[276].

[10] The horizons differ greatly in thickness and generally lack sharp boundaries; their development is dependent on the type of parent material, the processes that modify those parent materials, and the soil-forming factors that influence those processes.

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