Aloe vera grows best in sandy soil that drains well. 300 : dom_i.query(this).css("width").trim(); For soil to form from rocks, it takes an average of 500 years or more. The possibilities are almost endless—bugs, bacteria, fungi, feces, nematodes, worms, roots, rotting plants, ice, minerals… Soils have history! Soil pH is a measure of the acidity or basicity (alkalinity) of a soil. 10 : dom_i.query(this).css("margin-right").trim(); if(imgMarginRight.indexOf("px") > 0){ "none" : dom_i.query(this).css("float").trim(); Soil plays a vital role in the Earth’s ecosystem. var imgTitle = dom_i.query(this).attr("title") == undefined ? '' var imgMarginRight = dom_i.query(this).css("margin-right") == undefined ? : dom_i.query(this).attr("alt").trim(); } Except for occasional rocks and gravel, sand is the largest grain of solid matter that's in soil; silt particles are smaller. Soil erosion is a continuous process that occurs either slowly or at an alarming rate. the upper layer of the earth, in which plants grow. [CDATA[ : dom_i.query(this).attr("title").trim(); Its particles are closely packed together and clay generally does not allow water to drain through. Soil series and soil horizons vary by how much sand, silt, and clay they contain. The soil has several layers - Bedrock, Parent rock, Subsoil, Topsoil. What is soil? Let us have a detailed look at the causes, effects and prevention of soil erosion. Soil is the upper layer of the earth on which plants grow. var imgMarginBottom = dom_i.query(this).css("margin-bottom") == undefined ? '' Different soils have different properties depending on their composition. var count = 1; Soil covers the surface of the Earth and is a valuable ecosystem. }) Soil is made up of minerals, nutrients, water, air, organic matter and microorganisms. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. if(imgMarginBottom.indexOf("px") > 0){ The loose top layer of the Earth's surface, consisting of rock and mineral particles mixed with decayed organic matter (known as humus). })*/ imgWidth = imgWidth.replace("px",""); Clay soil is a very dense type of soil. 10 : dom_i.query(this).css("margin-top").trim(); Soil consists of a mix of organic material (decayed plants and animals) and broken bits of rocks and minerals. What is Soil? // 0){ This provides a safer playing surface for fielders and better drainage if … /*dom.query(document).ready(function(){ Areas are not considered to have soil if the surface is permanently covered by water too deep (typically more than 2.5 meters) for the growth of rooted plants. dom_i.query(this).after("

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