{"id":32878,"date":"2026-01-02T09:53:22","date_gmt":"2026-01-02T09:53:22","guid":{"rendered":"https:\/\/www.artal.net\/infotech-technical-reports-and-trials\/guia-sintomas-y-diagnosis-deficiencias-de-nutrientes-en-plantas\/"},"modified":"2026-09-14T07:50:48","modified_gmt":"2026-09-14T07:50:48","slug":"guia-sintomas-y-diagnosis-deficiencias-de-nutrientes-en-plantas","status":"publish","type":"page","link":"https:\/\/www.artal.net\/en\/infotech-technical-reports-and-trials\/guia-sintomas-y-diagnosis-deficiencias-de-nutrientes-en-plantas\/","title":{"rendered":"Gu\u00eda s\u00edntomas y diagnosis deficiencias de nutrientes en plantas"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"32878\" class=\"elementor elementor-32878 elementor-31617\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ff30a73 e-flex e-con-boxed e-con e-parent\" data-id=\"ff30a73\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-52d09d3 e-flex e-con-boxed e-con e-child\" data-id=\"52d09d3\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-249fb71 e-flex e-con-boxed e-con e-child\" data-id=\"249fb71\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b2436d elementor-widget elementor-widget-heading\" data-id=\"1b2436d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">GUIDE TO SYMPTOMS AND DIAGNOSIS OF NUTRIENT DEFICIENCIES IN PLANTS<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b0388f8 elementor-widget elementor-widget-text-editor\" data-id=\"b0388f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Mineral nutrition<\/strong> directly determines crop development, yield, and quality.<\/p><p>When one or more nutrients fall below the crop&#8217;s requirements, visible symptoms appear in<br \/>leaves, shoots, roots, and fruits, allowing a specific deficiency to be suspected.<\/p><p><strong><strong>This guide brings together the main symptoms associated<\/strong><\/strong> with a lack of Nitrogen (N),<br \/>Phosphorus (P), Potassium (K), Calcium (Ca), Magnesium (Mg), Sulfur (S), Boron (B),<br \/>Chlorine (Cl), Copper (Cu), Iron (Fe), Manganese (Mn), Molybdenum (Mo), and Zinc (Zn),<br \/>with the aim of enabling rapid visual diagnosis and guiding the choice of the most suitable<br \/>fertilizer.<\/p><p>To correct these deficiencies, ARTAL offers a complete range of nutritional fertilizers,<br \/>including deficiency correctors, foliar fertilizers, and crop-specific fertilizers, developed to<br \/>supply each nutrient in the most efficient form and at the most efficient time.<\/p><p> <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-430fb6f elementor-align-center elementor-widget elementor-widget-button\" data-id=\"430fb6f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.artal.net\/en\/nutritionals\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">SEE ARTAL NUTRITIONAL FERTILIZERS RANGE<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-80e8426 e-flex e-con-boxed e-con e-child\" data-id=\"80e8426\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-148a0ec elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"148a0ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">NUTRITIONAL DEFICIENCIES AND THEIR DIAGNOSIS <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d9151d elementor-widget elementor-widget-heading\" data-id=\"5d9151d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">NITROGEN (N) DEFICIENCY<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc25d62 elementor-widget elementor-widget-text-editor\" data-id=\"fc25d62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Greater effect on mature leaves, especially those located on the lower part of the plant.<\/li><li>Very light green or yellowish leaf blade coloration due to reduced chlorophyll.<\/li><li>General pale appearance of the plant.<\/li><li>In some species, reddish tones appear on veins and the underside of leaves.<\/li><li>Weaker growth habit: thin stems, short internodes, and reduced vigor.<\/li><li>Delayed growth and premature leaf senescence.<\/li><\/ul><p>The plant responds quickly after nitrogen application.<\/p><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Uniform chlorosis on old leaves, starting with the lower ones and progressing upward.<\/li><\/ul><p><em><strong>Recommended ARTAL fertilizers (N supply)<\/strong><\/em><\/p><ul><li><a href=\"https:\/\/www.artal.net\/es\/fertilizantes-foliares\/nitrogeno-foliartal-n30\/\"><strong>FOLIARTAL N30<\/strong><\/a> \u2013 nitrogen-rich foliar fertilizer.<\/li><li><a href=\"https:\/\/www.artal.net\/es\/fertilizantes-foliares\/npk\/17-7-6-foliartal\/\"><strong>FOLIARTAL 17-7-6 +Micro<\/strong><\/a> \u2013 NPK formulation with high nitrogen content.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d29c30b e-flex e-con-boxed e-con e-child\" data-id=\"d29c30b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ac1d29 elementor-widget elementor-widget-heading\" data-id=\"6ac1d29\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Phosphorus deficiency (P)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a1675f elementor-widget elementor-widget-text-editor\" data-id=\"4a1675f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Basal mature leaves with a dull green color that may turn yellowish and, later, dark tones as they dry out.<\/li><li>In crops such as tomato, maize, lettuce, or brassicas, possible appearance of purple or violet<br \/>tones on the blade and veins.<\/li><li>Stunted plants when the deficiency appears from early stages: slow growth and reduced root<br \/>development.<\/li><li>Reduced flowering, irregular fruit set, and lower fruit numbers.<\/li><li>Thin stems and reduced bud emergence.<\/li><li>The plant responds quickly after nitrogen application.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Dwarf plants with old leaves showing blue-green or purplish coloration depending on the<br \/>species.<\/li><\/ul><p><em><strong>Recommended ARTAL fertilizers (P supply)<\/strong><\/em><\/p><ul><li><a href=\"https:\/\/www.artal.net\/es\/fertilizantes-foliares\/npk\/9-27-9-foliartal\/\"><strong>FOLIARTAL 9-27-9 +Micro<\/strong><\/a> \u2013 NPK with high phosphorus content to promote roots, flowering,<br \/>and fruit set.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9db084d elementor-widget elementor-widget-heading\" data-id=\"9db084d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Potassium deficiency (K)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52f2028 elementor-widget elementor-widget-text-editor\" data-id=\"52f2028\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Chlorosis begins at the edges of the lower mature leaves and progresses inward.<\/li><li>Appearance of small necrotic spots on the blade, especially in the apical area and between<br \/>veins.<\/li><li>Reduced resistance to diseases and abiotic stress.<\/li><li>Reduced growth and thinner stems.<\/li><li>In fruits, loss of firmness and quality problems.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Yellow leaf edges that later become necrotic, with inner areas still green in early stages.<\/li><\/ul><p><em><strong>Recommended ARTAL fertilizers (K supply)<\/strong><\/em><\/p><ul><li><a href=\"https:\/\/www.artal.net\/es\/fertilizantes-foliares\/potasio-k50-foliartal\/\"><strong>FOLIARTAL K50<\/strong><\/a> \u2013 potassium-rich foliar fertilizer.<\/li><li><a href=\"https:\/\/www.artal.net\/es\/fertilizantes-foliares\/npk\/10-5-12-foliartal\/\"><strong>FOLIARTAL 10-5-12 +Micro<\/strong><\/a> \u2013 balanced NPK with emphasis on potassium for fruit filling and ripening stages.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efc2fd8 elementor-widget elementor-widget-heading\" data-id=\"efc2fd8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Calcium deficiency (Ca)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17dc48d elementor-widget elementor-widget-text-editor\" data-id=\"17dc48d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Preferential effect on growing organs (meristems, young shoots, developing fruits).<\/li><li>Death of apical buds and emergence of deformed new leaves, which may curl downward.<\/li><li>Progressive necrosis from the margins toward the center of the young leaf.<\/li><li>Development of petioles without a leaf blade in severe cases.<\/li><li>In fruits, appearance of physiological disorders such as blossom end rot (apical necrosis),<br \/>cracking, or loss of firmness.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Malformations in young leaves and marginal necrosis, accompanied by damage to fruit blossom ends.<\/li><\/ul><p><em><strong>Recommended ARTAL fertilizers (Ca supply)<\/strong><\/em><\/p><ul><li><a href=\"https:\/\/www.artal.net\/es\/correctores-de-carencias\/microelementos-simples\/calcio-flowal-ca\/\"><strong>FLOWAL Ca<\/strong><\/a> \u2013 calcium deficiency corrector.<\/li><li><a href=\"https:\/\/www.artal.net\/es\/correctores-de-carencias\/microelementos-dobles\/calcio-boro-flowal-ca-b\/\"><strong>FLOWAL CaB<\/strong><\/a> \u2013 calcium with boron to improve fruit set and fruit quality.<\/li><li><a href=\"https:\/\/www.artal.net\/es\/fertilizantes-foliares\/calcio-boro-foliartal-l24\/\"><strong>FOLIARTAL L24<\/strong><\/a> \u2013 foliar fertilizer with calcium and boron.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f2f44a elementor-widget elementor-widget-heading\" data-id=\"8f2f44a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Magnesium deficiency (Mg)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-94f13c9 elementor-widget elementor-widget-text-editor\" data-id=\"94f13c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Basal mature leaves with yellowing between veins (interveinal chlorosis), with the main veins remaining green in early stages.<\/li><li>Later appearance of necrotic spots in the chlorotic areas when the deficiency persists.<\/li><li>Weak petioles and leaf blades that may become deformed.<\/li><li>Duller plant coloration and reduced photosynthetic activity.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>&#8221;Mottled leaf&#8221; pattern on old leaves, with yellow areas between veins and necrotic spots in advanced stages.<\/li><\/ul><p><em><strong>Recommended ARTAL fertilizers (Mg supply)<\/strong><\/em><\/p><ul><li><strong>FLOWAL Mg<\/strong> \u2013 fast source of complexed magnesium.<\/li><li><a href=\"https:\/\/www.artal.net\/es\/correctores-de-carencias\/microelementos-triples\/magnesio-citricos-nutriartal-mg\/\"><strong>NUTRIARTAL +Mg<\/strong><\/a> \u2013 triple trace elements (Mg, Mn, Zn) for crops with high demands. Sulfur deficiency (S)<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dbfad6 elementor-widget elementor-widget-heading\" data-id=\"4dbfad6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Sulfur deficiency (S)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a477bca elementor-widget elementor-widget-text-editor\" data-id=\"a477bca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Main effect on young leaves and recent shoots.<\/li><li>Generalized chlorosis in new leaves that may spread to the rest of the plant.<\/li><li>Slow growth, short internodes, and production of small leaves.<\/li><li>Fewer shoots and branches in woody plants.<\/li><li>Possible reddish or violet tones on petioles and margins, depending on the species.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Similar to nitrogen deficiency, but centered on the upper part of the plant (young leaves are affected first).<\/li><\/ul><p><em><strong>ARTAL recommendations<\/strong><\/em><\/p><p>In cases of sulfur deficiency, or to balance nutrition under stress conditions, it is advisable to review the fertilization strategy and supplement it according to the crop&#8217;s needs.<\/p><p>ARTAL offers specific ranges that can help you:<\/p><ul><li><strong>Foliar Fertilizers<\/strong><\/li><li><strong>Deficiency Correctors<\/strong><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d61a0fc elementor-widget elementor-widget-heading\" data-id=\"d61a0fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Boron deficiency (B)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b534731 elementor-widget elementor-widget-text-editor\" data-id=\"b534731\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Localized damage to meristems and young tissues.<\/li><li>Death of terminal and lateral buds, with loss of the growing point.<\/li><li>Young leaves with translucent areas at the base that develop into necrosis.<\/li><li>Deformations, wrinkling, or a &#8221;heart-shaped&#8221; appearance in new leaves.<\/li><li>Short, thickened roots or very limited root growth.<\/li><li>Boron requirements vary greatly depending on the crop.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Stalled shoots, irregular branching, and highly deformed young leaves, often with localized necrosis.<\/li><\/ul><p><b><i>Recommended ARTAL fertilizers (B supply)<\/i><\/b><\/p><ul><li><strong>FLOWAL CaB<\/strong> \u2013 calcium complexed with boron.<\/li><li><strong>FOLIARTAL L24<\/strong> \u2013 foliar formulation with calcium and boron.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-496a70f elementor-widget elementor-widget-heading\" data-id=\"496a70f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Chlorine deficiency (Cl)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e5b9b95 elementor-widget elementor-widget-text-editor\" data-id=\"e5b9b95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Greater effect on young leaves.<\/li><li>Diffuse chlorosis and incipient wilting in new shoots.<\/li><li>In severe cases, small necrotic areas on leaf tips.<\/li><li>Some species, such as avocado or grapevine, are sensitive to high chlorine levels,<br \/>developing toxicity when it is present in excess.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Young leaves with a flaccid, yellowish appearance, sometimes with brown tips.<\/li><\/ul><p><b><i>ARTAL technical recommendations<\/i><\/b><\/p><p>Inadequate chlorine levels can significantly affect crop development, especially in sensitive species.<\/p><p>Since its origin is usually related to<strong> irrigation <\/strong>water quality, <strong>soil salinity<\/strong>, or the <strong>interaction with other nutrients<\/strong>, each case should be assessed individually.<\/p><p>The <strong>ARTAL<\/strong> technical team can help you to:<\/p><ul><li>Interpret water and soil analyses related to chlorides and conductivity.<\/li><li>Adjust the fertilization strategy according to the crop&#8217;s needs and sensitivity.<\/li><li>Define a nutritional program that minimizes risks and optimizes ionic balance.<\/li><\/ul><p>If you need specific guidance for your farm or crop, you can contact us through the form available on the website or check the nutritional products section to learn about the available solutions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cad7034 elementor-widget elementor-widget-heading\" data-id=\"cad7034\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Copper deficiency (Cu)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b333a9 elementor-widget elementor-widget-text-editor\" data-id=\"3b333a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Young leaves are the main organ affected.<\/li><li>Loss of turgor, with blades that curl and show sunken, necrotic-looking spots.<\/li><li>Freshly expanded leaves with grayish, wilted areas.<\/li><li>In severe cases, partial dieback of young shoots.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Curved young leaves with depressed spots and dull coloration.<\/li><\/ul><p><b><i>Recommended ARTAL fertilizers (Cu supply)<\/i><\/b><\/p><ul><li><strong>MICROPONIC<\/strong> \u2013 deficiency corrector with copper.<\/li><li><strong>MICROPONIC Eco<\/strong> \u2013 version suitable for organic farming.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-351f691 elementor-widget elementor-widget-heading\" data-id=\"351f691\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Iron deficiency (Fe)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4bcd61 elementor-widget elementor-widget-text-editor\" data-id=\"e4bcd61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Preferential manifestation in young leaves and new shoots.<\/li><li>Progressive interveinal chlorosis: yellowish blade while the veins remain green.<\/li><li>In advanced stages, almost white leaves, but without necrosis.<\/li><li>Terminal buds remain alive, although clearly chlorotic.<\/li><li>Recovery of green color after applications of iron in an assimilable form.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>&#8221;Skeleton leaf&#8221;: green veins on a very light yellow background, especially on new leaves.<\/li><\/ul><p><b><i>Recommended ARTAL fertilizers (Fe supply)<\/i><\/b><\/p><ul><li><strong>FLOWAL Fe<\/strong> \u2013 fast-absorbing chelated iron.<\/li><li><strong>NUTRIARTAL Fe<\/strong> \u2013 iron formulation for citrus and other crops (if available in the current range).<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7da8401 elementor-widget elementor-widget-heading\" data-id=\"7da8401\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Manganese deficiency (Mn)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83999a2 elementor-widget elementor-widget-text-editor\" data-id=\"83999a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Initial effect on young tissues.<\/li><li>Terminal buds alive but with chlorotic leaves.<\/li><li>Appearance of irregular chlorotic spots on leaves that progress to a grayish tone.<\/li><li>Small necrotic spots near veins on new leaves; veins usually remain green.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Young leaves with a chlorotic mosaic and small brown dots, especially around the veins.<\/li><\/ul><p><b><i>Recommended ARTAL fertilizers (Mn supply)<\/i><\/b><\/p><ul><li><strong>FLOWAL Mn<\/strong> \u2013 manganese deficiency corrector.<\/li><li><strong>NUTRIARTAL<\/strong> \u2013 formulation with Zn and Mn for demanding crops.<\/li><li><strong>NUTRIARTAL +Fe<\/strong> \u2013 in case of combined Mn and Fe deficiencies.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31279d8 elementor-widget elementor-widget-heading\" data-id=\"31279d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Molybdenum deficiency (Mo)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9763558 elementor-widget elementor-widget-text-editor\" data-id=\"9763558\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>General effect throughout the plant.<\/li><li>First symptoms on old leaves with diffuse chlorosis.<\/li><li>Leaf edges become necrotic and turn brown.<\/li><li>New leaves narrow, deformed, and smaller in size.<\/li><li>With excess molybdenum, some species show orange colorations on leaves.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Old leaves with homogeneous yellowing and marginal necrosis, together with narrow, deformed new leaves.<\/li><\/ul><p><b><i>Recommended ARTAL fertilizers (Mo supply)<\/i><\/b><\/p><ul><li><strong>MICROPONIC<\/strong> \u2013 corrector with molybdenum in its formulation.<\/li><li><strong>MICROPONIC Eco<\/strong> \u2013 version suitable for organic farming.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0b1e21 elementor-widget elementor-widget-heading\" data-id=\"c0b1e21\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Zinc deficiency (Zn)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a1f5d9 elementor-widget elementor-widget-text-editor\" data-id=\"8a1f5d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Most frequent symptoms:<\/strong><\/em><\/p><ul><li>Development of chlorosis in mature leaves, starting with the lower ones.<\/li><li>Retracted leaf margins, with a rolled or curved appearance.<\/li><li>Medium-sized necrotic spots between veins.<\/li><li>Small new leaves, with reduced leaf size and short internodes.<\/li><li>Increased water droplet exudation (guttation) on leaf edges in certain species.<\/li><\/ul><p><em><strong>Visual identification<\/strong><\/em><\/p><ul><li>Small, chlorotic leaves with scattered necrosis; &#8220;dwarf&#8221;-looking plants with little lateral growth.<\/li><\/ul><p><b><i>Recommended ARTAL fertilizers (Zn supply)<\/i><\/b><\/p><ul><li><strong>FLOWAL Zn<\/strong> \u2013 fast-assimilation chelated zinc.<\/li><li><strong>NUTRIARTAL<\/strong> \u2013 trace element mix with zinc.<\/li><li><strong>MICROPONIC<\/strong> \u2013 formulation containing zinc among other elements.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87982f5 elementor-widget elementor-widget-heading\" data-id=\"87982f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">ARTAL, YOUR PARTNER IN CROP NUTRITION AND PHYSIOLOGY<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a1e50e elementor-widget elementor-widget-text-editor\" data-id=\"8a1e50e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>With its range of nutritional fertilizers, physiological inducers, and plant immunotherapy, ARTAL supports farmers at every stage of the crop: from soil preparation to harvest, helping to prevent and correct nutritional imbalances and to improve the response to abiotic and biotic stress.<\/p><p>Since 1895, <strong>ARTAL<\/strong> has been developing agronutritional solutions aimed at improving crop performance and efficiency. Its catalog includes <strong>nutritional fertilizers<\/strong>, <strong>deficiency correctors<\/strong>, <strong>physiological inducers<\/strong>, and advanced technologies such as <strong>Primtal<\/strong>, designed to optimize the plant&#8217;s response to stress situations and promote balanced development. <\/p><p>The combination of experience, research, and field trials makes it possible to offer farmers and technicians reliable products, adapted to the needs of each crop and phenological stage. If you would like to learn more about the company and its range of solutions: <\/p><ul><li><strong><a href=\"https:\/\/www.artal.net\/en\/company\/\">Discover ARTAL Smart Agriculture<\/a><\/strong><\/li><li><a href=\"https:\/\/www.artal.net\/en\/nutritionals\/\"><strong>View the nutritional fertilizer range<\/strong><\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-da33a45 e-flex e-con-boxed e-con e-child\" data-id=\"da33a45\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ac20461 elementor-widget elementor-widget-text-editor\" data-id=\"ac20461\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tIT\u2019S NOT MAGIC, IT\u2019S <span class=\"color-azul\" style=\"text-decoration: underline\">SCIENCE<\/span>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>GUIDE TO SYMPTOMS AND DIAGNOSIS OF NUTRIENT DEFICIENCIES IN PLANTS Mineral nutrition directly determines crop development, yield, and quality. When one or more nutrients fall below the crop&#8217;s requirements, visible symptoms appear inleaves, shoots, roots, and fruits, allowing a specific deficiency to be suspected. This guide brings together the main symptoms associated with a lack [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":32240,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-32878","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>GUIDE TO SYMPTOMS AND DIAGNOSIS OF NUTRIENT DEFICIENCIES IN PLANTS<\/title>\n<meta name=\"description\" content=\"Discover innovative solutions to boost your crops. \u27a4\u27a4 Improve quality and productivity naturally with ARTAL products.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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