{"id":5522,"date":"2023-02-05T06:02:07","date_gmt":"2023-02-05T06:02:07","guid":{"rendered":"https:\/\/7thclass.deltapublications.in\/?page_id=5522"},"modified":"2024-12-21T06:21:46","modified_gmt":"2024-12-21T06:21:46","slug":"s-21-b-know-more-about-your-soil","status":"publish","type":"page","link":"https:\/\/7thclass.deltapublications.in\/index.php\/s-21-b-know-more-about-your-soil\/","title":{"rendered":"S-21.b Know More About Your Soil"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Know More About Your Soil<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-huge-font-size\" style=\"color:#74008b\"><strong>Key Notes :<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color wp-elements-3d5733a4e3eb890cccd236f69c2c8084\" style=\"color:#000060\"><strong>Introduction to Soil<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Soil is the uppermost layer of the Earth\u2019s crust, essential for plant growth.<\/li>\n\n\n\n<li>It is a mixture of minerals, organic matter, air, and water.<\/li>\n\n\n\n<li>Soil is home to various microorganisms, insects, and animals that contribute to its fertility.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color wp-elements-91ddcfc53cff2dd9d30153717c201da3\" style=\"color:#000060\"><strong>Formation of Soil<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Soil is formed through the process of <strong>weathering<\/strong>\u2014the breaking down of rocks into smaller particles over thousands of years.<\/li>\n\n\n\n<li>Weathering can occur due to:\n<ul class=\"wp-block-list\">\n<li><strong>Physical forces<\/strong> (temperature changes, wind, water, ice)<\/li>\n\n\n\n<li><strong>Chemical reactions<\/strong> (oxidation, hydrolysis)<\/li>\n\n\n\n<li><strong>Biological activity<\/strong> (roots breaking rocks, organisms decomposing organic matter)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-654530247331e16d19fa8079b671ead8\" style=\"color:#000060\"><strong>Components of Soil<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list has-large-font-size\">\n<li><strong>Mineral Particles<\/strong>: Sand, silt, and clay provide structure.<\/li>\n\n\n\n<li><strong>Organic Matter<\/strong>: Decomposed plants and animals improve soil fertility.<\/li>\n\n\n\n<li><strong>Water<\/strong>: Helps dissolve nutrients for plant absorption.<\/li>\n\n\n\n<li><strong>Air<\/strong>: Necessary for root respiration and microbial activity.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-41928c36a2d46cad25c3e6c9772d5860\" style=\"color:#000060\"><strong>Types of Soil<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Sandy Soil<\/strong>: Large particles, good drainage, poor in nutrients.<\/li>\n\n\n\n<li><strong>Clayey Soil<\/strong>: Small particles, retains water, rich in nutrients but poor drainage.<\/li>\n\n\n\n<li><strong>Loamy Soil<\/strong>: Balanced mixture of sand, silt, and clay; best for agriculture.<\/li>\n\n\n\n<li><strong>Silty Soil<\/strong>: Fine particles, fertile but prone to erosion.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-3e31b31d03b7fe249ecd7c12f1d0af7e\" style=\"color:#000060\"><strong>Soil Layers (Soil Profile)<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list has-large-font-size\">\n<li><strong>Topsoil (Horizon A)<\/strong>: Rich in organic matter, ideal for plants.<\/li>\n\n\n\n<li><strong>Subsoil (Horizon B)<\/strong>: Contains minerals leached from the topsoil.<\/li>\n\n\n\n<li><strong>Parent Material (Horizon C)<\/strong>: Weathered rock fragments.<\/li>\n\n\n\n<li><strong>Bedrock<\/strong>: Solid rock beneath the soil layers.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-7feebc0619b9cbe0ebf8b002f5637d62\" style=\"color:#000060\"><strong>Importance of Soil<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Plant Growth<\/strong>: Provides essential nutrients and water.<\/li>\n\n\n\n<li><strong>Water Filtration<\/strong>: Purifies water as it passes through soil layers.<\/li>\n\n\n\n<li><strong>Habitat<\/strong>: Supports organisms like earthworms, fungi, and bacteria.<\/li>\n\n\n\n<li><strong>Agriculture<\/strong>: Key to food production and farming practices.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-e101f43ad58157013d0bb5d4d693013b\" style=\"color:#000060\"><strong>Soil Conservation<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Preventing Erosion<\/strong>: Avoid deforestation, practice afforestation.<\/li>\n\n\n\n<li><strong>Crop Rotation<\/strong>: Prevents depletion of specific nutrients.<\/li>\n\n\n\n<li><strong>Terrace Farming<\/strong>: Reduces soil erosion in hilly areas.<\/li>\n\n\n\n<li><strong>Using Compost and Mulch<\/strong>: Adds organic matter to soil.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-15a1538f7753b9be7ef06ef1814649da\" style=\"color:#000060\"><strong>Testing Your Soil<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>pH Test<\/strong>: Determines soil acidity or alkalinity.\n<ul class=\"wp-block-list\">\n<li>Acidic soil (pH &lt; 7) may need lime.<\/li>\n\n\n\n<li>Alkaline soil (pH > 7) may need sulfur.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Nutrient Test<\/strong>: Identifies nutrient deficiencies (e.g., nitrogen, phosphorus, potassium).<\/li>\n\n\n\n<li><strong>Texture Test<\/strong>: Determines whether the soil is sandy, clayey, or loamy.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/82617\/220\/156\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-105.png\" alt=\"\" class=\"wp-image-6169\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-105.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-105-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-105-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-105-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81742\/367\/641\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-99.png\" alt=\"\" class=\"wp-image-6171\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-99.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-99-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-99-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-99-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center has-text-color has-huge-font-size\" style=\"color:#282479\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Know More About Your Soil Key Notes : Introduction to Soil Formation of Soil Components of Soil Types of Soil Soil Layers (Soil Profile) Importance of Soil Soil Conservation Testing Your Soil Let&#8217;s practice!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"footnotes":""},"class_list":["post-5522","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/5522","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=5522"}],"version-history":[{"count":12,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/5522\/revisions"}],"predecessor-version":[{"id":15428,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/5522\/revisions\/15428"}],"wp:attachment":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=5522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}