soil (countable and uncountable, plural soils) (uncountable) A mixture of mineral particles and organic material, used to support plant growth. soil, surface layer of the earth, composed of fine rock material disintegrated by geological processes; and humus humus, organic matter that has decayed to a relatively stable, am The soil profile is where the secrets of the soil and landscape around it are hidden. put off-5.4%. Soil cultivation is a practice which is designed to improve the condition of the soil prior to establishing crops or decorative plants. Soil quality is a measure of the condition of soil relative to the requirements of one or more biotic species and or to any human need or purpose. In this article we will discuss about the definition of soil fertility. Learner's definition of SOIL. View the pronunciation for soil. Some plants, like kūmara and potatoes, grow best in a more acidic soil (pH of 5.0–6.0). 5.3%. The three factors are needed to assess soil quality or fertility. Some soil needs minimal cultivation before planting, while other soil may need to be worked intensely. very. Change your default dictionary to American English. Residual soil definition is: Soils formed by the weathering of rocks, but located at the place of origin are called residual soils. soil - WordReference English dictionary, questions, discussion and forums. Thesaurus Trending Words. n. Partly decomposed vegetable matter, usually mosses, found in bogs and sometimes burned as fuel or mixed into soil to improve growing conditions. Learn more. Clay Soil. for-3.5%. Topsoil definition is - surface soil usually including the organic layer in which plants have most of their roots and which the farmer turns over in plowing. The soil is the basis for food production and will remain so in future. Cultivation is an important step in gardening or farming which can determine whether or not plants will thrive. Natural soils are comprised of soil particles of varying sizes. All Free. The ideal range for most plants is between 6–7. Clay soils remain wet and cold in winter and dry out in summer. Granite. SOIL is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms SOIL is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms See more. Lime is often added to soil to make it less acidic. Learn more. A soil profile is a vertical section of soil that ranges from the surface to the underlying rock. Looking for online definition of SOIL or what SOIL stands for? It is a mixture of many different things including rock, minerals, water and air.Soil also has living things and dead things in it. It might be outdated or ideologically biased. Carrots and lettuces prefer soils with a neutral pH of 7.0. SOIL Meaning: "to defile or pollute with sin," from Old French soillier "to splatter with mud, to foul or make dirty,"… See definitions of soil. If it is not a coarse sand and perhaps a sandy loam it may stick together better ; Clay soil has a smearing quality, and is sticky when wet. The moisture content of a soil is an indicator of the degree of saturation of the specimen and is represented by the ratio of the mass of water to the mass of solids in the soil sample. Topsoil is the uppermost layer of soil, which is high in nutrients and organic matter. Terms and Definitions in Soil Engineering Various definitions of terms used in Geotechnical Soil Engineering are presented. Such a … snowflake. Soil is the dirt between our fingers as we garden or farm, from which all living things come and to which, as the poets never tire of reminding us, all life eventually returns. Definition of Soil texture in the Definitions.net dictionary. soil water: any water held in the soil as a vapour, liquid or solid. It can be used for making new beds, borders, raised beds or as a base for lawns, where the natural soil is … Aggregation of soil particles can occur in different patterns, resulting in different soil structures. This is the British English definition of soil.View American English definition of soil. Residual soils are formed by the weathering of rocks like granite, basalt, sandstone, lime stone and salts. *Tip: Use your operating system's Find Files/Folders search feature to locate 'custom.dic' file if you are unsure of its location on your computer. Dictionary File for Microsoft Word. Soil structure is defined by the way individual particles of sand, silt, and clay are assembled. 1.1%. Soil pH is measured on a scale of 1-14, with 7 as the neutral mark. Its formation is related to the parent Rock material, relief, climate, and vegetation. Soil is the loose material which forms the thin surface layer of Earth. Soils can become more acidic over time as minerals are leached away. This definition speaks to the importance of managing soils so they are sustainable for future generations. Much work has been done on physical, chemical, climatic and cultivation data. The soil profile is defined as a vertical section of the soil that is exposed by a soil pit. Definition of Soil Texture: Soil texture refers to the relative percentage of sand, silt and clay in a soil. These are called aggregates. Texture is an important soil characteristic because it will partly determine water intake rates (absorption), water storage in the soil, and the ease of tillage operation, aeration status etc. Soil definition, the portion of the earth's surface consisting of disintegrated rock and humus. Soil Analysis determination of the composition and properties of soil. Mechanical, chemical, mineralogical, and microbiological analyses are performed. Sandy soil has a gritty element – you can feel sand grains within it, and it falls through your fingers. your wish is my command. Information and translations of Soil texture in the most comprehensive dictionary definitions resource on the web. Void Ratio Void ratio is the volume of voids to the volume of solids. Soil moisture refers to the amount of water contained within a soil sample. soil meaning: 1. the material on the surface of the ground in which plants grow: 2. a country: 3. the activity…. (uncountable) The unconsolidated mineral or organic material on the immediate surface of the earth that serves as a natural medium for the growth of land plants. soil definition: 1. the material on the surface of the ground in which plants grow: 2. a country: 3. the activity…. Soil pH is a measurement of the alkalinity or acidity of soil. Soil derives from the erosion of the rock strata and contains minerals and variable amounts of organic material derived from organisms which live or have lived upon it. Cleaning up contaminated soil [=soil that has harmful chemicals in it] can be very costly. The results are used to compile soil maps, including agrochemical cartograms. The soil profile is somewhat like the soil's fingerprint and contains distinct layers. 45.0%. Directions: Save the file below in the same directory as Microsoft Word's 'custom.dic' file and the Internet Glossary of Soil Science Terms will be available for use by Microsoft Word. Soil health, also referred to as soil quality, is defined as the continued capacity of soil to function as a vital living ecosystem that sustains plants, animals, and humans. soil the uppermost layer of the earth's crust that supports the majority of terrestrial plant life together with many animals and microorganisms. Residual soil definition. These soils are made of over 25 percent clay, and because of the spaces found between clay particles, clay soils hold a high amount of water. Single particles when assembled appear as larger particles. What does Soil texture mean? Soil fertility is the sustainable capacity of a soil to produce good yields of high quality on the basis of chemical, physical and biological factors. Definition and synonyms of soil from the online English dictionary from Macmillan Education. 1 : the top layer of earth in which plants grow [noncount] This kind of plant grows well in moist soil. It cannot be rolled to make a sausage shape. The soil obtained due to weathering may be residual or transported soil. Soil binder definition: a plant that prevents or inhibits erosion by providing a ground cover and forming a dense... | Meaning, pronunciation, translations and examples Volumetric Relationships of Soil 1. 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