{"id":353201,"date":"2026-01-03T17:58:56","date_gmt":"2026-01-03T12:28:56","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=353201"},"modified":"2026-01-03T17:58:56","modified_gmt":"2026-01-03T12:28:56","slug":"alternate-wetting-and-drying-awd-technique-for-rice-cultivation","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/alternate-wetting-and-drying-awd-technique-for-rice-cultivation\/","title":{"rendered":"Alternate Wetting and Drying (AWD) Technique for Rice Cultivation"},"content":{"rendered":"<p><strong>News: <\/strong>Alternate Wetting and Drying is discussed due to its role in reducing methane emissions, saving water, and enabling carbon credit generation in rice farming.<\/p>\n<h2>About Alternate Wetting and Drying (AWD) Technique for Rice Cultivation<\/h2>\n<figure id=\"attachment_353202\" aria-describedby=\"caption-attachment-353202\" style=\"width: 458px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-353202\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-Kubota-Corp.jpg?resize=458%2C226&#038;ssl=1\" alt=\"Alternate Wetting and Drying (AWD) Technique for Rice Cultivation\" width=\"458\" height=\"226\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-Kubota-Corp.jpg?resize=300%2C148&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-Kubota-Corp.jpg?resize=1024%2C507&amp;ssl=1 1024w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-Kubota-Corp.jpg?resize=768%2C380&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-Kubota-Corp.jpg?resize=1536%2C760&amp;ssl=1 1536w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-Kubota-Corp.jpg?resize=1568%2C776&amp;ssl=1 1568w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/01\/Source-Kubota-Corp.jpg?w=1785&amp;ssl=1 1785w\" sizes=\"auto, (max-width: 458px) 100vw, 458px\" \/><figcaption id=\"caption-attachment-353202\" class=\"wp-caption-text\">Source &#8211; Kubota Corp<\/figcaption><\/figure>\n<ul>\n<li>Alternate Wetting and Drying (AWD) is is a <strong>water-management technology<\/strong> for <strong>lowland rice cultivation<\/strong> that <strong>reduces water consumption<\/strong> and <strong>methane emissions<\/strong> by <strong>alternating between flooded and non-flooded periods<\/strong>.<\/li>\n<li><strong>Core mechanism<\/strong>\n<ul>\n<li><strong>Controlled Irrigation Cycle:<\/strong> Unlike traditional continuous flooding (CF), AWD allows the <strong>water level to recede naturally<\/strong> to a specific threshold &#8211; usually <strong>10\u201315 cm below the soil surface &#8211; <\/strong>before the <strong>field is re-flooded to a depth of roughly 5 cm.<\/strong><\/li>\n<li><strong>Monitoring:<\/strong> Farmers often use a simple <strong>field water tube<\/strong> (perforated PVC or bamboo pipe) to monitor the subsurface water level.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Timings<\/strong>\n<ul>\n<li><strong>Initial Phase:<\/strong> Fields are kept <strong>flooded for the first 15\u201320 days<\/strong> after <strong>transplanting<\/strong> to establish seedlings.<\/li>\n<li><strong>AWD Phase:<\/strong> The <strong>wetting-drying cycle continues<\/strong> until the <strong>flowering<\/strong> stage.<\/li>\n<li><strong>Flowering Stage:<\/strong> Continuous <strong>flooding (3\u20135 cm) is maintained<\/strong> to prevent moisture stress.<\/li>\n<li><strong>Post-Flowering:<\/strong> Cycles can <strong>resume<\/strong> during grain filling and ripening.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Benefits<\/strong>\n<ul>\n<li><strong>Water Conservation:<\/strong> Reduces water use by <strong>25\u201340%<\/strong> compared to traditional methods.<\/li>\n<li><strong>Methane (CH<\/strong>\u2084<strong>) Mitigation:<\/strong> AWD lowers methane emissions by disrupting anaerobic conditions suitable for methane-producing microbes.<\/li>\n<li><strong>Cost Efficiency:<\/strong> Decreases irrigation frequency, leading to lower labor and energy (pumping) costs.<\/li>\n<li><strong>Soil and Crop Health:<\/strong> Enhances root development, improves nutrient uptake, and may reduce lodging.<\/li>\n<li><strong>Reduces toxic metal accumulation in grains:<\/strong> This method can reduce the accumulation of <strong>arsenic, lead, and cadmium <\/strong>in rice grains, with variants like e-AWD significantly lowering their levels.<\/li>\n<li><strong>Reduces pests and diseases:<\/strong> This method can reduce <strong>insect pests and diseases<\/strong>, and periodic soil drying may reduce the incidence of <strong>fungal diseases<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Challenges<\/strong>\n<ul>\n<li>Farmers may initially <strong>hesitate to adopt AWD<\/strong> due to <strong>unfamiliar<\/strong> irrigation practices.<\/li>\n<li>AWD requires <strong>monitoring<\/strong> of water levels and soil moisture, which needs basic <strong>field management awareness<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News: Alternate Wetting and Drying is discussed due to its role in reducing methane emissions, saving water, and enabling carbon credit generation in rice farming. About Alternate Wetting and Drying (AWD) Technique for Rice Cultivation Alternate Wetting and Drying (AWD) is is a water-management technology for lowland rice cultivation that reduces water consumption and methane&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/alternate-wetting-and-drying-awd-technique-for-rice-cultivation\/\">Continue reading <span class=\"screen-reader-text\">Alternate Wetting and Drying (AWD) Technique for Rice Cultivation<\/span><\/a><\/p>\n","protected":false},"author":10393,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,11209,12039],"tags":[11872],"class_list":["post-353201","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-geography-in-news","category-knolls","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/353201","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10393"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=353201"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/353201\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=353201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=353201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=353201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}