{"id":2555,"date":"2021-01-02T18:22:57","date_gmt":"2021-01-02T23:22:57","guid":{"rendered":"https:\/\/www.purdue.edu\/hla\/sites\/cea\/?page_id=2555"},"modified":"2024-05-30T13:41:39","modified_gmt":"2024-05-30T17:41:39","slug":"2555-2","status":"publish","type":"page","link":"https:\/\/www.purdue.edu\/hla\/sites\/cea\/2555-2\/","title":{"rendered":"Research Projects"},"content":{"rendered":"<p><strong>1. Increasing Lettuce Yield in Organic Production using Hydroponic Systems<\/strong><\/p>\n<p>Hydroponically produced crops can receive USDA certification as long as the certifier can demonstrate that the crop is produced in a way that complies with the standard guidelines.\u00a0A premium of nearly 50% is charged for organic compared to conventional lettuce. However, lettuce yield is lower when certified organic fertilizers are used to grow using soilless substrates in recycling hydroponic systems. This is related to slow-release of nutrients from organic fertilizers.<\/p>\n<div class=\"wp-block-image\"><\/div>\n<div class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" class=\"wpa-warning wpa-image-missing-alt alignnone wp-image-3158\" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic-1024x778.png\" alt=\"organic\" width=\"600\" height=\"456\" data-warning=\"Missing alt text\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic-1024x778.png 1024w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic-300x228.png 300w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic-768x583.png 768w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic-1536x1166.png 1536w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic-171x130.png 171w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic-593x450.png 593w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic-790x600.png 790w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic-1568x1191.png 1568w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic.png 2048w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div>\n<p>The current project uses a systems approach to increase lettuce yield in organic production using hydroponic systems:<\/p>\n<div class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" class=\"wpa-warning wpa-image-missing-alt alignnone wp-image-3157\" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-1024x685.png\" alt=\"objectives\" width=\"600\" height=\"401\" data-warning=\"Missing alt text\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-1024x685.png 1024w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-300x201.png 300w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-768x514.png 768w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-1536x1028.png 1536w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-2048x1370.png 2048w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-194x130.png 194w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-673x450.png 673w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-800x535.png 800w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-1568x1049.png 1568w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2024\/05\/Organic2-272x182.png 272w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div>\n<p>We are custom building image sensors with IoT capability to measure crop growth and nitrogen stress index in lettuce plants. These sensors can predict the right time to apply liquid organic fertilizers to the crop and reduce wastage of expensive liquid feeds.<\/p>\n<div class=\"wp-block-image\"><\/div>\n<p><strong><span style=\"font-size: 14pt\">2. Increase the Nutritive Value of Leafy Greens by Optimizing Spectral Composition:<\/span><\/strong><\/p>\n<p>We are currently testing the effects of different light spectra on vitamin A and vitamin K levels in leafy greens. The goal of the project is to improve &#8216;crop value&#8217; by increasing healthy nutrients while maintaining crop productivity<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2556\" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/VF1-1024x498.jpg\" alt=\"\" width=\"600\" height=\"292\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/VF1-1024x498.jpg 1024w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/VF1-300x146.jpg 300w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/VF1-768x374.jpg 768w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/VF1-1536x747.jpg 1536w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/VF1-250x122.jpg 250w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/VF1-1568x763.jpg 1568w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/VF1.jpg 2048w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><span style=\"font-size: 14pt\"><strong>3. Develop Best Practices for Producing E.coli-free Lettuce in Indoor and Greenhouse Hydroponic Production:<\/strong><\/span><\/p>\n<p>The goal of the project is to utilize UV sterilization and water sanitization approaches to produce E.coli-free lettuce in indoor and greenhouse production. The project is a collaborative effort between our lab and Dr. Amanda Deering from Food Science Department at Purdue. The research is funded by USDA SCBG.<img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2557 \" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/UV1-192x300.png\" alt=\"\" width=\"245\" height=\"381\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/UV1-192x300.png 192w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/UV1-83x130.png 83w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/UV1.png 579w\" sizes=\"auto, (max-width: 245px) 100vw, 245px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2558 \" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Culture-300x260.png\" alt=\"\" width=\"443\" height=\"384\" data-wp-editing=\"1\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Culture-300x260.png 300w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Culture-150x130.png 150w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Culture.png 729w\" sizes=\"auto, (max-width: 443px) 100vw, 443px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 14pt\"><strong>4.<\/strong> <strong style=\"font-size: 14pt\">Develop Affordable and Efficient Hydroponic\/Aeroponic Production Systems<\/strong><\/span><\/p>\n<p>The goal is to compare different hydroponic\/aeroponic production technologies for applicability to small-scale growers. The objective is to compare yield and water-use among different systems. We are testing different custom-built and commercial hydroponic and aeroponic technologies for their efficacy. The project is funded by USDA FAS.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2559 \" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Egypt-225x300.jpg\" alt=\"\" width=\"278\" height=\"371\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Egypt-225x300.jpg 225w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Egypt-768x1024.jpg 768w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Egypt-1152x1536.jpg 1152w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Egypt-200x268.jpg 200w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Egypt-98x130.jpg 98w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Egypt.jpg 1536w\" sizes=\"auto, (max-width: 278px) 100vw, 278px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 14pt\"><strong>5<\/strong><strong style=\"font-size: 14pt\">. Smart Sensors for Monitoring Plants<\/strong><\/span><\/p>\n<p>We are developing novel technologies that allow greenhouse growers to use smartphones monitor several plant traits of economic value include size, area, number of flowers, height, damage area, nitrogen stress, and shelf-life.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2562 \" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Nitrogen-300x243.png\" alt=\"\" width=\"418\" height=\"339\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Nitrogen-300x243.png 300w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Nitrogen-1024x829.png 1024w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Nitrogen-768x622.png 768w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Nitrogen-161x130.png 161w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Nitrogen.png 1202w\" sizes=\"auto, (max-width: 418px) 100vw, 418px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2561 \" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Height-188x300.png\" alt=\"\" width=\"221\" height=\"351\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Height-188x300.png 188w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Height-81x130.png 81w\" sizes=\"auto, (max-width: 221px) 100vw, 221px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2560 \" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Germination-300x90.png\" alt=\"\" width=\"461\" height=\"139\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Germination-300x90.png 300w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Germination-1024x306.png 1024w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Germination-1536x459.png 1536w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Germination-250x75.png 250w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Germination-1568x468.png 1568w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2021\/01\/Germination.png 1889w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 14pt\"><strong>6. Develop region-specific best production technology for greenhouse and indoor hydroponic production systems<\/strong><\/span><\/p>\n<p>The project researches different supplemental lighting, spectral composition, rootzone heating, production systems, recycling techniques, and varieties of lettuce to develop guidelines for maximizing productivity of hydroponic lettuce production during different months of the year in the US Midwest in greenhouse systems. For indoor production systems, the project tested different LED light spectra, commercial fixtures, and lettuce varieties for maximizing crop productivity and optimizing electrical energy use in\u00a0 production.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2401\" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Hydrop_1-1024x768.jpg\" alt=\"\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Hydrop_1-1024x768.jpg 1024w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Hydrop_1-300x225.jpg 300w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Hydrop_1-768x576.jpg 768w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Hydrop_1-160x120.jpg 160w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Hydrop_1-313x235.jpg 313w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Hydrop_1-173x130.jpg 173w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Hydrop_1.jpg 2048w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2412\" src=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Indoor.jpg\" alt=\"\" width=\"600\" height=\"845\" srcset=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Indoor.jpg 799w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Indoor-213x300.jpg 213w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Indoor-768x1081.jpg 768w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Indoor-727x1024.jpg 727w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Indoor-167x235.jpg 167w, https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-content\/uploads\/sites\/15\/2019\/03\/Indoor-92x130.jpg 92w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Increasing Lettuce Yield in Organic Production using Hydroponic Systems Hydroponically produced crops can receive USDA certification as long as the certifier can demonstrate that the crop is produced in a way that complies with the standard guidelines.\u00a0A premium of nearly 50% is charged for organic compared to conventional lettuce. However, lettuce yield is lower&#8230;<span id=\"post-label-2555\" class=\"sr-only\">Read more about Research Projects<\/span><a class=\"read-more\" href=\"https:\/\/www.purdue.edu\/hla\/sites\/cea\/2555-2\/\" aria-labelledby=\"post-label-2555\">[Read More]<\/a><\/p>\n","protected":false},"author":136,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2555","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-json\/wp\/v2\/pages\/2555","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-json\/wp\/v2\/users\/136"}],"replies":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-json\/wp\/v2\/comments?post=2555"}],"version-history":[{"count":14,"href":"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-json\/wp\/v2\/pages\/2555\/revisions"}],"predecessor-version":[{"id":3170,"href":"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-json\/wp\/v2\/pages\/2555\/revisions\/3170"}],"wp:attachment":[{"href":"https:\/\/www.purdue.edu\/hla\/sites\/cea\/wp-json\/wp\/v2\/media?parent=2555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}