{"id":3881,"date":"2023-01-09T10:44:19","date_gmt":"2023-01-09T10:44:19","guid":{"rendered":"https:\/\/7thclass.deltapublications.in\/?page_id=3881"},"modified":"2024-12-12T06:39:16","modified_gmt":"2024-12-12T06:39:16","slug":"s-9-g-soil-and-crops","status":"publish","type":"page","link":"https:\/\/7thclass.deltapublications.in\/index.php\/s-9-g-soil-and-crops\/","title":{"rendered":"S-9.g Soil And Crops"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Soil And Crops<\/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<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"248\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-39.png\" alt=\"\" class=\"wp-image-9591\" style=\"width:346px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-39.png 250w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-39-150x150.png 150w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color wp-elements-16316388f8e451742b37584be2d68fba\" style=\"color:#000060\"><strong>1. Importance of Soil<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Definition<\/strong>: Soil is the uppermost layer of Earth where plants grow. It is made of organic matter, minerals, gases, and microorganisms.<\/li>\n\n\n\n<li><strong>Significance<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Provides support to plants.<\/li>\n\n\n\n<li>Supplies water, nutrients, and air to plants.<\/li>\n\n\n\n<li>Acts as a habitat for many organisms.<\/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 wp-elements-97d5c63cfa13818949539347a99bd7e1\" style=\"color:#000060\"><strong>2. Components of Soil<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Minerals<\/strong>: Sand, silt, and clay.<\/li>\n\n\n\n<li><strong>Organic Matter<\/strong>: Decomposed plants and animal residues.<\/li>\n\n\n\n<li><strong>Air<\/strong>: Fills the spaces between soil particles.<\/li>\n\n\n\n<li><strong>Water<\/strong>: Provides moisture for plant growth.<\/li>\n\n\n\n<li><strong>Microorganisms<\/strong>: Decompose organic material to release nutrients.<\/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-98c6024cc7b877d5e166557be7946f6c\" style=\"color:#000060\"><strong>3. Soil Layers (Soil Profile)<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Topsoil<\/strong>: Rich in organic material and humus; supports plant growth.<\/li>\n\n\n\n<li><strong>Subsoil<\/strong>: Contains minerals and nutrients leached from the topsoil.<\/li>\n\n\n\n<li><strong>Parent Rock<\/strong>: Made of weathered rock; basis for soil formation.<\/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-aca14f9f60b81b7d66e72643c80f83d3\" style=\"color:#000060\"><strong>4. Types of Soil<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Sandy Soil<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Large particles, drains water quickly.<\/li>\n\n\n\n<li>Poor in nutrients, suitable for drought-resistant crops like peanuts and cotton.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Clayey Soil<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Small particles, retains water.<\/li>\n\n\n\n<li>Rich in nutrients, suitable for rice and wheat.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Loamy Soil<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Mixture of sand, silt, and clay.<\/li>\n\n\n\n<li>Best for agriculture; supports a wide variety of crops.<\/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 wp-elements-23a9e1d6d32f6b52a68cfbc823b15ed5\" style=\"color:#000060\"><strong>5. Soil and Crop Selection<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Rice<\/strong>: Requires clayey soil and water retention.<\/li>\n\n\n\n<li><strong>Wheat<\/strong>: Grows well in loamy soil with moderate moisture.<\/li>\n\n\n\n<li><strong>Cotton<\/strong>: Thrives in sandy or loamy soil in dry climates.<\/li>\n\n\n\n<li><strong>Pulses<\/strong>: Prefer well-drained sandy 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 wp-elements-4b694d3dfdee6c443119e8f4f896b43a\" style=\"color:#000060\"><strong>6. Soil Fertility<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Definition<\/strong>: The ability of soil to provide nutrients to plants.<\/li>\n\n\n\n<li><strong>Maintaining Fertility<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Adding organic matter (compost, manure).<\/li>\n\n\n\n<li>Using crop rotation techniques.<\/li>\n\n\n\n<li>Avoiding overuse of chemical fertilizers.<\/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 wp-elements-a7a8b9951217440b70c371474c4c4d48\" style=\"color:#000060\"><strong>7. Soil Erosion<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Definition<\/strong>: The removal of the topsoil layer due to wind, water, or human activities.<\/li>\n\n\n\n<li><strong>Causes<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Deforestation.<\/li>\n\n\n\n<li>Overgrazing by livestock.<\/li>\n\n\n\n<li>Improper agricultural practices.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Prevention<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Planting trees to bind soil.<\/li>\n\n\n\n<li>Terrace farming on slopes.<\/li>\n\n\n\n<li>Using cover crops to protect the soil.<\/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 wp-elements-2d7b8e4373c0256f1dc50f1a41bb9e75\" style=\"color:#000060\"><strong>8. Role of Soil in Agriculture<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Support System<\/strong>: Roots anchor in soil, ensuring stability.<\/li>\n\n\n\n<li><strong>Nutrient Supply<\/strong>: Provides essential nutrients like nitrogen, potassium, and phosphorus.<\/li>\n\n\n\n<li><strong>Water Retention<\/strong>: Holds water for plant absorption.<\/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-aa24a9727c4513d6d27edaa9785da0bc\" style=\"color:#000060\"><strong>9. Modern Agricultural Practices<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Use of Fertilizers<\/strong>: To replenish soil nutrients.<\/li>\n\n\n\n<li><strong>Irrigation Systems<\/strong>: To provide water in arid regions.<\/li>\n\n\n\n<li><strong>Soil Testing<\/strong>: Helps determine the type and amount of nutrients required.<\/li>\n\n\n\n<li><strong>Crop Rotation<\/strong>: Prevents nutrient depletion and controls pests.<\/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-2b5ae060d34ccd7e71017d47d61266c7\" style=\"color:#000060\"><strong>10. Environmental Impact of Soil Misuse<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Depletion of Nutrients<\/strong>: Due to over-farming and chemical fertilizers.<\/li>\n\n\n\n<li><strong>Pollution<\/strong>: By pesticides and industrial waste.<\/li>\n\n\n\n<li><strong>Loss of Biodiversity<\/strong>: Destruction of soil organisms.<\/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\/81738\/795\/546\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-38.png\" alt=\"\" class=\"wp-image-5955\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-38.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-38-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-38-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-38-400x400.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\/81671\/850\/457\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-33.png\" alt=\"\" class=\"wp-image-5956\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-33.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-33-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-33-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-33-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Soil And Crops Key Notes : 1. Importance of Soil 2. Components of Soil 3. Soil Layers (Soil Profile) 4. Types of Soil 5. Soil and Crop Selection 6. Soil Fertility 7. Soil Erosion 8. Role of Soil in Agriculture 9. Modern Agricultural Practices 10. Environmental Impact of Soil Misuse 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-3881","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3881","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=3881"}],"version-history":[{"count":14,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3881\/revisions"}],"predecessor-version":[{"id":15265,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3881\/revisions\/15265"}],"wp:attachment":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}