{"id":113,"date":"2018-08-11T13:25:43","date_gmt":"2018-08-11T11:25:43","guid":{"rendered":"https:\/\/www.kalliergo.gr\/en\/domates-astheneies-symptomata-elleipsis-threptikon-systatikon-sto-xoma\/"},"modified":"2023-07-12T08:59:39","modified_gmt":"2023-07-12T06:59:39","slug":"symptoms-of-nutrient-deficiencies-in-tomatoes","status":"publish","type":"post","link":"https:\/\/www.kalliergo.gr\/en\/vegetables-cat\/symptoms-of-nutrient-deficiencies-in-tomatoes\/","title":{"rendered":"Symptoms of nutrient deficiencies in tomatoes"},"content":{"rendered":"\n<p>The information on the symptoms of nutrient deficiencies in tomatoes (trophic deficiencies) comes from &#8220;<a title=\"The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms\" href=\"http:\/\/customers.hbci.com\/~wenonah\/min-def\/\" target=\"_blank\" rel=\"noopener noreferrer\">The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms<\/a>&#8221; by Thomas Wallace, M.C., D.Sc., A.I.C., published in 1943.<\/p>\n\n\n\n<p>I found this source from the blog &#8220;The Perdic Cafe&#8221;, looking for why my tomatoes are opening this year.<\/p>\n\n\n\n<p>I have planted tomatoes in two places. In the first part everything is fine. The plants are green, strong and healthy. In the second part, the plants are weak. The tomatoes crack open (their skins are torn) when they start to ripen.<\/p>\n\n\n\n<p>So I present to you, symptoms of nutrient deficiencies in tomatoes. I hope they will help you. Any comments are welcome.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Nitrogen deficiency<\/h2>\n\n\n\n<p>Symptoms on the plant.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"185\" height=\"249\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-nitrogen-deficiency.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u0391\u03b6\u03ce\u03c4\u03bf\u03c5\" class=\"wp-image-96\"\/><\/figure>\n\n\n\n<p>Weak growth. Thin plant. Grows upwards. Rigid stems and stalks. Leaves are faded green. Occasional purple spots appear. Older leaves turn yellow.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Phosphorus deficiency<\/h2>\n\n\n\n<p>Symptoms on the plant.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"169\" height=\"259\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-phosphorus-deficiency.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u03a6\u03c9\u03c3\u03c6\u03cc\u03c1\u03bf\u03c5\" class=\"wp-image-97\"\/><\/figure>\n\n\n\n<p>Weak growth. Thin plant. Leaves wilt, twist backwards and develop intense spots of light purple.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Calcium deficiency<\/h2>\n\n\n\n<p>Symptoms on stems.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"202\" height=\"266\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-calcium-deficiency.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u0391\u03c3\u03b2\u03b5\u03c3\u03c4\u03af\u03bf\u03c5\" class=\"wp-image-98\"\/><\/figure>\n\n\n\n<p>The young tips of the plant die. Tomato stems begin to dry out starting from the tips. The leaves die, starting with the new leaves and shoots that are fertile and contain flowers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Calcium deficiency<\/h2>\n\n\n\n<p>Symptoms in the Dickey &#8211; Zygote<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"204\" height=\"284\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-calcium-deficiency-2.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u0391\u03c3\u03b2\u03b5\u03c3\u03c4\u03af\u03bf\u03c5 - 02\" class=\"wp-image-99\"\/><\/figure>\n\n\n\n<p>Drying out of the extreme leaves and flowers. The leaves take on reddish-brown hues.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Calcium deficiency<\/h2>\n\n\n\n<p>Symptoms in the Dickey &#8211; Zygma &#8211; Zygkton. Dry or black top of fruit (Blossom End Rot).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"243\" height=\"200\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-calcium-deficiency-3.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u0391\u03c3\u03b2\u03b5\u03c3\u03c4\u03af\u03bf\u03c5 - 03\" class=\"wp-image-100\"\/><\/figure>\n\n\n\n<p>Drying out of the reticules. Blossom End Rot (Blossom End Rot) appears on the outermost fruits.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Magnesium deficiency<\/h2>\n\n\n\n<p>Symptoms on the leaves.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"203\" height=\"257\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-magnesium-deficiency.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u039c\u03b1\u03b3\u03bd\u03b7\u03c3\u03af\u03bf\u03c5\" class=\"wp-image-101\"\/><\/figure>\n\n\n\n<p>Central chlorosis and green bands on the leaf tips.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Magnesium deficiency<\/h2>\n\n\n\n<p>Symptoms in the dicot.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"203\" height=\"267\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-magnesium-deficiency-2.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u039c\u03b1\u03b3\u03bd\u03b7\u03c3\u03af\u03bf\u03c5 - 02\" class=\"wp-image-102\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Central chlorosis and necrosis of leaves. Fruits (tomatoes) show &#8220;green backs&#8221;.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Magnesium deficiency<\/h2>\n\n\n\n<p>Symptoms on the plant.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"202\" height=\"196\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-magnesium-deficiency-3.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u039c\u03b1\u03b3\u03bd\u03b7\u03c3\u03af\u03bf\u03c5 - 03\" class=\"wp-image-103\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } --><\/p>\n\n\n\n<p>Appearance in greenhouses. Central chlorosis and necrosis of leaves.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Potassium deficiency<\/h2>\n\n\n\n<p>Symptoms on the leaves.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"206\" height=\"252\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-potassium-deficiency.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u039a\u03b1\u03bb\u03af\u03bf\u03c5\" class=\"wp-image-104\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Slight peripheral and internal chlorosis on new leaves followed by peripheral brown scorching. The &#8216;scorched&#8217; edges of the leaves turn upwards.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Potassium deficiency<\/h2>\n\n\n\n<p>Symptoms on the fruit.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"224\" height=\"195\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-potassium-deficiency-2.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u039a\u03b1\u03bb\u03af\u03bf\u03c5 - 02\" class=\"wp-image-105\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Blotchy Ripening on the fruit of tomatoes. Green and yellow areas (mosaic-like) appear on the surface of the red fruit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Tomato Mosaic Disease<\/h2>\n\n\n\n<p>Symptoms on the fruit &#8211; Tomato Mosaic.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"272\" height=\"196\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-virus-disease.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0391\u03c3\u03b8\u03ad\u03bd\u03b5\u03b9\u03b1 \u039c\u03c9\u03c3\u03b1\u03ca\u03ba\u03cc \u03a4\u03bf\u03bc\u03ac\u03c4\u03b1\u03c2\" class=\"wp-image-106\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Patchy uneven ripening, similar symptoms to Blotchy Ripening due to potassium deficiency, but the areas of mosaic are more clearly defined.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Iron deficiency<\/h2>\n\n\n\n<p>Symptoms on the leaves.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"262\" height=\"189\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-iron-deficiency.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u03a3\u03b9\u03b4\u03ae\u03c1\u03bf\u03c5\" class=\"wp-image-107\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Leaf tips are affected. In particular the main areas of the small leaves. Strong chlorotic tinge. The stems near the tips are also yellow.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Magnesium deficiency<\/h2>\n\n\n\n<p>Symptoms on the leaves.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"200\" height=\"246\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-magnesium-deficiency-4.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u039c\u03b1\u03b3\u03bd\u03b7\u03c3\u03af\u03bf\u03c5\" class=\"wp-image-108\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Chlorotic shades spread over the entire surface of the leaves. Spotted areas become dead.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Manganese toxicity (acid soil &#8211; complex issue)<\/h2>\n\n\n\n<p>Symptoms on the branches.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"198\" height=\"273\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-manganese-toxicity.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u03a4\u03bf\u03be\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u039c\u03b1\u03b3\u03b3\u03b1\u03bd\u03af\u03bf\u03c5\" class=\"wp-image-109\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Stems and stems, especially the joint areas, show necrotic lesions. Leaves wilt and droop.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Boron deficiency<\/h2>\n\n\n\n<p>Symptoms on the branches.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"171\" height=\"218\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-boron-deficiency.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u0392\u03bf\u03c1\u03af\u03bf\u03c5\" class=\"wp-image-110\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>The stems become stiff. New flowers die and growth is reduced. Side branches grow, preventing the plant from growing taller. The leaves become intensely purple, brown and yellow.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Boron deficiency<\/h2>\n\n\n\n<p>Symptoms on the fruits.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"190\" height=\"121\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-boron-deficiency-2.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u0392\u03bf\u03c1\u03af\u03bf\u03c5 - 02\" class=\"wp-image-111\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Tomato fruits are seedless and have a corky texture. The ripening is not uniform.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tomato &#8211; Molybdenum deficiency<\/h2>\n\n\n\n<p>Symptoms on the plant.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"208\" height=\"249\" src=\"https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-molybdenum-deficiency.jpg\" alt=\"\u039d\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1 - \u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u039c\u03bf\u03bb\u03c5\u03b2\u03b4\u03b5\u03bd\u03af\u03bf\u03c5\" class=\"wp-image-112\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>The leaves are somewhat chlorotic. Intense leaf rotation. Leaves dry out from the edges.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The information on the symptoms of nutrient deficiencies in tomatoes (trophic deficiencies) comes from &#8220;The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms&#8221; by Thomas Wallace, M.C., D.Sc., A.I.C., published in 1943. I found this source from the blog &#8220;The Perdic Cafe&#8221;, looking for why my tomatoes are opening this year. I have planted [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":2779,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":4,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[12],"tags":[131,136,135,141,137,129,133,130,924,138,134,117,140,86,79],"class_list":["post-113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vegetables-cat","tag-boron","tag-calcium","tag-deficiency","tag-diseases","tag-ingredients","tag-iron","tag-magnesium","tag-manganese","tag-molybdenum","tag-nutritious","tag-potassium","tag-soil","tag-symptoms","tag-tomato","tag-tomatoes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Symptoms of nutrient deficiencies in tomatoes - KALLIERGO<\/title>\n<meta name=\"description\" content=\"Characteristics (with photos) of nutrient deficiencies on tomatoes. The symptoms are very characteristic. Check the pictures against your tomato plants.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kalliergo.gr\/en\/vegetables-cat\/symptoms-of-nutrient-deficiencies-in-tomatoes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Symptoms of nutrient deficiencies in tomatoes - KALLIERGO\" \/>\n<meta property=\"og:description\" content=\"Characteristics (with photos) of nutrient deficiencies on tomatoes. The symptoms are very characteristic. 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I hope that you will find interesting and helpful information on KALLIERGO.","url":"https:\/\/www.kalliergo.gr\/en\/author\/ilias\/"}]}},"uagb_featured_image_src":{"full":["https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-deficiencies-01.jpg",888,592,false],"thumbnail":["https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-deficiencies-01-150x150.jpg",150,150,true],"medium":["https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-deficiencies-01-300x200.jpg",300,200,true],"medium_large":["https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-deficiencies-01-768x512.jpg",768,512,true],"large":["https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-deficiencies-01.jpg",888,592,false],"1536x1536":["https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-deficiencies-01.jpg",888,592,false],"2048x2048":["https:\/\/www.kalliergo.gr\/en\/wp-content\/uploads\/2010\/08\/tomato-deficiencies-01.jpg",888,592,false]},"uagb_author_info":{"display_name":"Ilias Antonopoulos","author_link":"https:\/\/www.kalliergo.gr\/en\/author\/ilias\/"},"uagb_comment_info":0,"uagb_excerpt":"The information on the symptoms of nutrient deficiencies in tomatoes (trophic deficiencies) comes from &#8220;The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms&#8221; by Thomas Wallace, M.C., D.Sc., A.I.C., published in 1943. I found this source from the blog &#8220;The Perdic Cafe&#8221;, looking for why my tomatoes are opening this year. I have planted&hellip;","_links":{"self":[{"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/posts\/113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/comments?post=113"}],"version-history":[{"count":0,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/posts\/113\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/media\/2779"}],"wp:attachment":[{"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/media?parent=113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/categories?post=113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/tags?post=113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}