{"id":1648,"date":"2013-10-05T20:35:00","date_gmt":"2013-10-05T15:35:00","guid":{"rendered":"https:\/\/chempublishers.sourcingoutfit.com\/?p=1648"},"modified":"2025-11-11T15:22:45","modified_gmt":"2025-11-11T15:22:45","slug":"pjc-2313","status":"publish","type":"post","link":"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2013\/10\/05\/pjc-2313\/","title":{"rendered":"Characterization and Effects of Plant Derived Humic Acid on the Growth of Pepper under Glasshouse Conditions"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1648\" class=\"elementor elementor-1648\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e89037 e-flex e-con-boxed e-con e-parent\" data-id=\"7e89037\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1c16f89 e-con-full e-flex e-con e-child\" data-id=\"1c16f89\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9b7b593 elementor-widget elementor-widget-text-editor\" data-id=\"9b7b593\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tbody><tr><td><div><strong>Research Article | Open Access<\/strong><\/div><div class=\"item doi\"><span class=\"value\">Volume 3 | Issue 3 | Paper\u00a0 07 |\u00a0 <a href=\"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/wp-content\/uploads\/sites\/2\/2025\/01\/PJC-v03.i03.p07.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.15228\/2013.v03.i03.p07<\/a><\/span><\/div><\/td><\/tr><\/tbody><\/table><article class=\"obj_article_details\"><h4 class=\"page_title\">Characterization and Effects of Plant Derived Humic Acid on the Growth of Pepper under Glasshouse Conditions<\/h4><div class=\"row\"><div class=\"main_entry\"><h4><span class=\"name\">R.U. Khan<\/span><\/h4><p>Land Resources Research Institute (LRRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan<\/p><h4><span class=\"name\">A. Khan<\/span><\/h4><p>Land Resources Research Institute (LRRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan<\/p><h4><span class=\"name\">M.Z. Khan<\/span><\/h4><p>Land Resources Research Institute (LRRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan<\/p><h4><span class=\"name\">F. Hussain<\/span><\/h4><p>Land Resources Research Institute (LRRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan<\/p><h4><span class=\"name\">M.E. Akhtar<\/span><\/h4><p>Land Resources Research Institute (LRRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan<\/p><table border=\"0\" width=\"93%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tbody><tr><td align=\"center\" valign=\"top\"><strong>Received<\/strong><br \/>26 Apr, 2013<\/td><td align=\"center\" valign=\"top\"><strong>Accepted<\/strong><br \/>27 Oct, 2013<\/td><td align=\"center\" valign=\"top\"><strong>Published<\/strong><br \/>29 Nov, 2013<\/td><\/tr><\/tbody><\/table><h4>ABSTRACT:<\/h4><div class=\"item abstract\"><p class=\"ql-align-justify\">A glasshouse study was conducted to evaluate the effects of plant derived humic acid (HA), previously characterised along with coal derived HA using HPLC and UV-VIS techniques on pepper growth, cholorophyll contents, P and K concentration in soil and plant. Characterization results classified coal, sunflower and maize derived HA as type A, B and Rp respectively. Plant growth parameters such as branches\/plant, root length and weight, were significantly improved with HA, maximum branches (11) were found by HA application at highest rate (150 mg\/kg). While, at lower application rate (30 mg\/kg) maximum fruit weight was obtained. Similarly, longest roots were obtained with HA application at same rate. Flower and fruit chlorophyll contents significantly improved with HA application, yielding maximum flower cholorophyll contents by application of 90 mg\/kg, whereas, in case of fruit maximum cholorophyll contents were found by application of HA at the rate of 30 mg\/kg. Despite, plant growth improvement, fruit K concentration were also significantly improved with HA application. These results suggest that HA application at the optimum rate (30 mg\/kg) improved plant growth parameters, however soil nutrients concentration only responded to HA application at the higher rate side.<\/p><\/div><div class=\"item abstract\"><div><h3 class=\"label\">How to Cite this paper?<\/h3><div class=\"csl-entry\"><p><strong>APA-7 Style<\/strong><br \/>Khan, R.U., Khan, A., Khan, M.Z., Hussain, F., Akhtar, M.E. (2013). Characterization and Effects of Plant Derived Humic Acid on the Growth of Pepper under Glasshouse Conditions.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2013.v03.i03.p07\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>, 3(3), 134-139<\/a>. https:\/\/doi.org\/10.15228\/2013.v03.i03.p07<\/p><p><strong>ACS Style<\/strong><br \/>Khan, R.U.; Khan, A.; Khan, M.Z.; Hussain, F.; Akhtar, M.E. Characterization and Effects of Plant Derived Humic Acid on the Growth of Pepper under Glasshouse Conditions.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2013.v03.i03.p07\" target=\"_blank\" rel=\"noopener\"><em>Pak. J. Chem.<\/em>\u00a02013, 3, 134-139<\/a>. https:\/\/doi.org\/10.15228\/2013.v03.i03.p07<\/p><p><strong>AMA Style<\/strong><br \/>Khan RU, Khan A, Khan MZ, Hussain F, Akhtar ME. Characterization and Effects of Plant Derived Humic Acid on the Growth of Pepper under Glasshouse Conditions.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2013.v03.i03.p07\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>. 2013; 3(3): 134-139<\/a>. https:\/\/doi.org\/10.15228\/2013.v03.i03.p07<\/p><p><strong>Chicago\/Turabian Style<\/strong><br \/>Khan, R., U., A. Khan, M. Z. Khan, F. Hussain, and M. E. Akhtar. 2013. &#8220;Characterization and Effects of Plant Derived Humic Acid on the Growth of Pepper under Glasshouse Conditions&#8221;\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2013.v03.i03.p07\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>\u00a03, no. 3: 134-139<\/a>. https:\/\/doi.org\/10.15228\/2013.v03.i03.p07<\/p><\/div><\/div><\/div><div class=\"item copyright\"><p><a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\"><img decoding=\"async\" src=\"https:\/\/i.creativecommons.org\/l\/by\/4.0\/88x31.png\" alt=\"Creative Commons License\" \/><\/a><\/p><p>This work is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\">Creative Commons Attribution 4.0 International License<\/a>.<\/p><\/div><\/div><\/div><\/article>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4f34c25 e-con-full e-flex e-con e-child\" data-id=\"4f34c25\" data-element_type=\"container\">\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>Research Article | Open AccessVolume 3 | Issue 3 | Paper\u00a0 07 |\u00a0 https:\/\/doi.org\/10.15228\/2013.v03.i03.p07 Characterization and Effects of Plant Derived Humic Acid on the Growth of Pepper under Glasshouse Conditions R.U. Khan Land Resources Research Institute (LRRI), National Agricultural Research Centre (NARC), Islamabad, Pakistan A. Khan Land Resources Research Institute (LRRI), National Agricultural Research Centre [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1648","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Characterization and Effects of Plant Derived Humic Acid on the Growth of Pepper under Glasshouse Conditions - Pakistan Journal of Chemistry<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2013\/10\/05\/pjc-2313\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Characterization and Effects of Plant Derived Humic Acid on the Growth of Pepper under Glasshouse Conditions - Pakistan Journal of Chemistry\" \/>\n<meta property=\"og:description\" content=\"Research Article | Open AccessVolume 3 | Issue 3 | Paper\u00a0 07 |\u00a0 https:\/\/doi.org\/10.15228\/2013.v03.i03.p07 Characterization and Effects of Plant Derived Humic Acid on the Growth of Pepper under Glasshouse Conditions R.U. 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