{"id":10947,"date":"2026-04-27T06:51:27","date_gmt":"2026-04-27T06:51:27","guid":{"rendered":"https:\/\/agri-research-journal.net\/SjarEn\/?p=10947"},"modified":"2026-04-27T06:52:45","modified_gmt":"2026-04-27T06:52:45","slug":"the-effect-of-adding-different-levels-of-fertilizer-recommendations-on-some-morphological-and-productive-traits-of-cotton-var-aleppo-118-in-aleppo-governorate","status":"publish","type":"post","link":"https:\/\/agri-research-journal.net\/SjarEn\/?p=10947","title":{"rendered":"The Effect of Adding Different Levels of Fertilizer Recommendations on some Morphological and Productive Traits of Cotton (Var: Aleppo 118) in Aleppo Governorate"},"content":{"rendered":"

Hanan El-Haj Omar1*, Aziza Ajouri1, Abdulghany Al-khalidi2, Ahmad Jumaa2, and Bader El-Dien Jalab3<\/span><\/strong><\/p>\n

1Dept. of Soil Science and Land Reclamation, Faculty of Agriculture, University of Aleppo, Aleppo, Syria.<\/span>
\n2Cotton Research Administration, General Community for Scientific Agriculture Research, Aleppo, Syria.<\/span>
\n3Resources Research Administration, General Community for Scientific Agriculture Research, Aleppo, Syria.<\/span><\/p>\n

(*Corresponding author: Hanan El-Haj Omar, E-Mail :hanan.gcsar77@gmail.com<\/a>).<\/span><\/p>\n

Received:<\/strong> 13\/ 07\/ 2025\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Accepted:<\/strong> 7\/ 09\/ 2025<\/span><\/p>\n

Abstract:\u00a0<\/strong><\/span><\/p>\n

Many industrial crops are grown in Syria, and cotton is the most important of these crops, as it is grown for its fibers and oil is extracted from its seeds, in addition to its importance as fodder and the use of its remains as firewood for heating. Because it is an irrigated crop and its growth period is relatively long, it is necessary to determine the fertilizer requirements of (NPK). Therefore, a field experiment was carried out at the Tal Hadya Research Station in Aleppo during the 2022 and 2023 seasons with the aim of studying the effect of adding different levels of fertilizer recommendations on some morphological and production indicators of the cotton variety \/Aleppo 118\/ irrigated by drip irrigation. The experiment included 6 treatments depending on the fertilizer recommendation (75, 100% of the fertilizer recommendation for cotton from NPK elements, and 50, 75, 125% of the fertilizer recommendation for nitrogen with 100% for P and K elements, in addition to the control without fertilization). The results showed a decrease in the number of vegetative branches because of the nitrogen percentage being lower than 100% of the fertilizer recommendation. Reducing nitrogen to 50% also negatively affected the average number of fruiting branches, plant height, and the weight of nuts. While increasing the nitrogen percentage above the fertilizer recommendation was not effective in increasing the number of fruiting branches, plant height, and the weight of nuts. While the yield decreased when reducing the nitrogen or all elements to 75% of the fertilizer recommendation, a significant decrease was observed when reducing the nitrogen amount only to half, indicating that the current fertilizer recommendation is appropriate.<\/span><\/p>\n

Keywords:<\/strong> Cotton, Productive traits, NPK, Fertilizer recommendation, Drip irrigation, Aleppo 118<\/strong>.<\/span><\/p>\n

Full paper in Arabic: pdf<\/a><\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Hanan El-Haj Omar1*, Aziza Ajouri1, Abdulghany Al-khalidi2, Ahmad Jumaa2, and Bader El-Dien Jalab3 1Dept. of Soil Science and Land Reclamation, Faculty of Agriculture, University of Aleppo, Aleppo, Syria. 2Cotton Research Administration, General Community for Scientific Agriculture Research, Aleppo, Syria. 3Resources … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[430,1],"tags":[149,138,1230,807,1231],"class_list":["post-10947","post","type-post","status-publish","format-standard","hentry","category-natural-resources","category-sjar","tag-cotton","tag-drip-irrigation","tag-fertilizer-recommendation","tag-npk","tag-productive-traits"],"_links":{"self":[{"href":"https:\/\/agri-research-journal.net\/SjarEn\/index.php?rest_route=\/wp\/v2\/posts\/10947","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agri-research-journal.net\/SjarEn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agri-research-journal.net\/SjarEn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agri-research-journal.net\/SjarEn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agri-research-journal.net\/SjarEn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10947"}],"version-history":[{"count":2,"href":"https:\/\/agri-research-journal.net\/SjarEn\/index.php?rest_route=\/wp\/v2\/posts\/10947\/revisions"}],"predecessor-version":[{"id":10951,"href":"https:\/\/agri-research-journal.net\/SjarEn\/index.php?rest_route=\/wp\/v2\/posts\/10947\/revisions\/10951"}],"wp:attachment":[{"href":"https:\/\/agri-research-journal.net\/SjarEn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agri-research-journal.net\/SjarEn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agri-research-journal.net\/SjarEn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}