{"id":3752,"date":"2023-01-08T04:49:50","date_gmt":"2023-01-08T04:49:50","guid":{"rendered":"https:\/\/7thclass.deltapublications.in\/?page_id=3752"},"modified":"2025-07-25T06:56:30","modified_gmt":"2025-07-25T06:56:30","slug":"s-1-e-how-nutrients-are-replenished-in-the-soil","status":"publish","type":"page","link":"https:\/\/7thclass.deltapublications.in\/index.php\/s-1-e-how-nutrients-are-replenished-in-the-soil\/","title":{"rendered":"s-1.e How Nutrients Are Replenished In The Soil"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>How Nutrients are Replenished in the Soil<\/strong><\/h2>\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\" style=\"flex-basis:100%\">\n<iframe width=\"560\" height=\"315\" \nsrc=\"https:\/\/www.youtube.com\/embed\/UAZyLYKyPnA?rel=0&#038;si=P4VxSIHB6eGYlzql\" \ntitle=\"YouTube video player\" \nframeborder=\"0\" \nallow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" \nreferrerpolicy=\"strict-origin-when-cross-origin\" \nallowfullscreen>\n<\/iframe>\n<\/div>\n<\/div>\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<p class=\"has-text-color has-link-color has-large-font-size wp-elements-3f78a5023a5ef8597c5fe9ccb51a9d96\" style=\"color:#000060\"><strong>Importance of Soil Nutrients<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"680\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-65-1024x680.png\" alt=\"\" class=\"wp-image-14973\" style=\"width:367px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-65-1024x680.png 1024w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-65-300x199.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-65-768x510.png 768w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-65.png 1501w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Nutrients in the soil, such as nitrogen, phosphorus, and potassium, are essential for plant growth.<\/li>\n\n\n\n<li>Continuous farming depletes these nutrients, making it necessary to replenish them.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-dcfffc8285232e04705694e3d65dd4d0\" style=\"color:#000060\"><strong>Natural Methods of Nutrient Replenishment<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Decomposition of Organic Matter<\/strong>: Dead plants, animals, and their waste decompose and return nutrients to the soil.<\/li>\n\n\n\n<li><strong>Nitrogen Fixation<\/strong>: Certain bacteria in the soil (e.g., Rhizobium) convert atmospheric nitrogen into forms plants can use. These bacteria are often associated with the roots of legumes like peas and beans.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-e8aa7ee591291fffbba052a28c9dc738\" style=\"color:#000060\"><strong>Role of Crop Rotation<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Planting different types of crops in succession helps balance nutrient usage.<\/li>\n\n\n\n<li>Leguminous crops enrich the soil with nitrogen, reducing the need for fertilizers.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-de555bc77227a88828925cb2b5f27413\" style=\"color:#000060\"><strong>Adding Organic Manure<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Manure, made from animal waste and decomposed plant material, is a natural fertilizer that replenishes soil nutrients and improves its texture.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-72ffdd0c84de2f06520f38228ecefa73\" style=\"color:#000060\"><strong>Use of Chemical Fertilizers<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"300\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-66.png\" alt=\"\" class=\"wp-image-14975\" style=\"width:422px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-66.png 620w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-66-300x145.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Fertilizers such as urea, ammonium sulfate, and superphosphates are added to the soil to supply specific nutrients.<\/li>\n\n\n\n<li>While effective, overuse of chemical fertilizers can harm soil quality and the environment.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-925adf4414c95710580f59218f716240\" style=\"color:#000060\"><strong>Green Manuring<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-68.png\" alt=\"\" class=\"wp-image-14977\" style=\"width:362px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-68.png 1024w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-68-300x200.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-68-768x513.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">Green plants (like sunn hemp) are grown and then plowed back into the soil to increase organic matter and nutrient content.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-15a30d568ba3c10e78676b119816bd9c\" style=\"color:#000060\"><strong>Recycling Plant Residues<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">Leaving crop residues on the field after harvest prevents soil erosion and restores nutrients.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-f6d913c7a7b57163737db376fccfd5e6\" style=\"color:#000060\"><strong>Irrigation with Nutrient-Rich Water<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">Irrigation with water containing dissolved minerals can also contribute to soil fertility.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-20786b9b1f065a30c5bba572c69e178e\" style=\"color:#000060\"><strong>Preventing Soil Erosion<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Conserving topsoil by using techniques like terracing, contour plowing, and planting cover crops ensures nutrients remain in the soil.<\/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\/75814\/605\/561\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3.png\" alt=\"\" class=\"wp-image-5842\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-400x400.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\/75842\/964\/858\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2.png\" alt=\"\" class=\"wp-image-5844\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>How Nutrients are Replenished in the Soil Key Notes : Importance of Soil Nutrients Natural Methods of Nutrient Replenishment Role of Crop Rotation Adding Organic Manure Use of Chemical Fertilizers Green Manuring Recycling Plant Residues Irrigation with Nutrient-Rich Water Preventing Soil Erosion 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-3752","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3752","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=3752"}],"version-history":[{"count":30,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3752\/revisions"}],"predecessor-version":[{"id":16465,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3752\/revisions\/16465"}],"wp:attachment":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}