lettuce production guide pdf

0000003729 00000 n 0000076867 00000 n Minimizing potential production problems is essential to all farming operations. A Guide to Vegetable Growing 7. than that which has been left un-dug until spring. Thin when 2 or Earlier, Europe and North America were the leading producers of lettuce; however, since the late 20th century, lettuce’s production and consumption had spread throughout the world. A late midseason, determinate, jointed hybrid. One of the most effective means of reducing potential problems is through proper field site selection. !�6�,��$S�c��(�Ht,�J��1i�C�3,�LIR�e5F�@�v��v:�|ZYP��Ç�u�c��i��ϳ/��c>�:-&��י��9Y��s��P��Td�?�O�:��l��y�4��w�G�d��d��頨j��:��IQ�?��Ir(�ͺ��~ʔκ�n��?o�uQ��Fa7,G/�=׃��|d��IT� Dj�IFiw;n��,��f"��Hs�� $��I30�v!�]T&�30��` �| Production Activities Activity JFMAMJJASOND Ground Preparation Planting Growing Harvesting Timeline is for iceberg lettuce; leaf lettuce and romaine begin harvest in the third week of November. This current book is based on and still has some relevant content from that previous publication. M�耤A �8�%�a2 Stem Lettuce has a shortened ﬂ eshy stem 10 to 15 cm tall. Tomato Production 2 Everglade. 0000004818 00000 n Facebook Social Comments. Florida 47. lettuce, loose-leaf lettuce and romaine or cos lettuce. 0000049557 00000 n Cover photo: Lettuce is just one of the crops that can be managed using the updated Midwest Vegetable Production Guide for Commercial Vegetable Growers 2020. 0000002496 00000 n Growers that have a zero-tolerance for weeds in all crops prior to growing lettuce have lower weed pressure, and over time, the soil seedbank can be depleted. %%EOF �q��x��^w�e�l��W��x4D|L�θ"�� 3. endstream endobj 946 0 obj<>/Size 902/Type/XRef>>stream Tweet. 0000004457 00000 n 0000100885 00000 n Lettuce (Lactuca sativa L.) is the most popular salad vegetable. Production levels and areas 3.1 South Africa Productions levels are increasing in South Africa. 122 0 obj <>stream Manganese deficiency causes yellowing between veins of young leaves. edition called Alberta Vegetable Production Guide – For Commercial Growers – 1989-1990. This hydroponic greenhouse production system was designed for small operations to provide local production of head lettuce as well as employment to the proprieters. 0 Alberta greenhouse producers could increase lettuce production and … The planner calculates how many vegetables fit in a space, as well as the planting and harvesting dates for every vegetable… 0000002368 00000 n 0000081088 00000 n Foliar sprays of manganese sulfate may be necessary to correct a To form a seed bed fork over the ground to a depth of about 10 cm carefully breaking all lumps, and then rake it smooth, removing stones and unbroken lumps. 0000008385 00000 n First Paragraph: This copy of the 2020/2021 Mid-Atlantic Commercial Vegetable Production Recommendations replaces all previous editions of the Commercial Vegetable Production Recommendations published individually for Delaware, Maryland, New … 0000001985 00000 n 3 Vegetable Production Guide – Lettuce April 2008/AgraPoint Space rows 30 cm or more apart as determined by machinery. Make your own ... • Start with lettuce, basil or other vegetative crop Photo: urbangardenmagazine.com. xref Starke Ayres is the largest independent vegetable seed company in South Africa, supplying both the commercial and consumer markets. 4. It provides a comprehensive description and assessment of the greenhouse production practices in use in Mediterranean climate areas that have helped diversify vegetable production and increase productivity. %%EOF endstream endobj startxref This is especially true for organic producers. Lettuce Production Guide. Lettuce and leafy greens 101: a production guide Departments - Hydroponic Production Primer: Lettuce & Leafy Greens. Vegetable growing lacks the stability which is methodically developed over a period of years like an orchard thus, getting into vegetable production is a fast process and getting out may even be faster. Florida 91. greenhouse production of lettuce in 2014 was 19.9 hectares. 0000076568 00000 n 0000006171 00000 n 0000004570 00000 n trailer Uniformly green fruit borne on jointed pedicels. �{��B$��_ccby��p�1J� c�͌͢�I�@��yz0�b�`�G*=�ؤ��43k \��-�?�f�@\��&��9pU�l�lA�� Alberta consumed 21,357 tonnes of lettuce in 2011, about 20 to 30 per cent of Canadian production, yet only 5 per cent of that total was produced in Alberta. Three points should be considered when selecting a field to produce vegetables: field topography, soil type, and water availability and quality. HEAD LETTUCE This production summary provides an overview of head lettuce growing, harvesting, and post harvesting practices. 0000133545 00000 n The demand for salad crops are increasing day by day due to … We hope you enjoy this handbook! An Overview of Lettuce Production Systems and Cultivars Used in Hydroponics and Protected Culture in Florida 4 Looseleaf, Leaf, or Cutting: This is the second most com-monly grown hydroponic lettuce type behind the Butter-head. Guidance is provided on potential areas for improvement of greenhouse cultivation. 77 0 obj <> endobj 0000110561 00000 n 0000095506 00000 n 902 46 BD July 12, 2018 AgriBusiness No comments. 0000103586 00000 n Nutrient Solutions. %PDF-1.6 %�� 5. 0000112604 00000 n Vegetable production in this region faces many challenges. Production Management. Vegetables can be grown by people with limited experience. 0000008019 00000 n Members of the SEVEW Group have combined their knowledge and experiences to develop approaches and answers that will enable growers in the southeast to optimize their production practices and to increase the sustainability of their operations. We’ve done the research for you. Midseason variety. than cool-season vegetables such a lettuce and broccoli. Lettuce is the most popular of the salad crops and is of great commercial importance; first-time Lettuce cultivated in ancient Egypt. h�bbd```b``N�� d}/��g��]`��`�T0�� w��`��@$w$��z While centered in the northwest part of the state, significant production … Determinate plant. 0000116604 00000 n Lettuce should be seeded at a depth of 0.6 cm or less. 947 0 obj<>stream Its high fiber but low nutrient value makes it an ideal vegetable for those who watch their diet. x�b```b``�``c``�� Ā B�@Q��p��J?I��n��f�n�n �G�� b��o�y��ޠ[��(�@��)cB��\� 3. 106 0 obj <>/Filter/FlateDecode/ID[<5D6548820348BB468386C0208AA48291><7FDDE5CBBEE52942A294DAA4634E5BE5>]/Index[77 46]/Info 76 0 R/Length 132/Prev 447460/Root 78 0 R/Size 123/Type/XRef/W[1 3 1]>>stream Hydroponic Lettuce Handbook . Vero Beach Research Center This industry-leading facility combines the latest technologies with practical, hands-on field testing. 0000062026 00000 n production capabilities, this station is home to the Syngenta Global Cucurbits Center of Excellence and serves as a hub for cereal, corn, cucurbit and fruiting vegetable research in the California Central Valley. 902 0 obj <> endobj SCIENCE.PH Science for Every Juan: S&T SCHOLARSHIPS Nasa Siyensiya ang Pagasa, Maging DOST Iskolar Ka! 0000005706 00000 n ɂ��_�Gx۽�h�'��Ǽ� 0000105629 00000 n � �k��P�Ua`]V ��X ��f&!�\F-�l&S�+��"��똤�8N��z� !�(֝�t��D�:�JWs�(�g@��*�`d�]��,��IC�K �2�� BnT" 0000002996 00000 n Spring mix and spinach are planted from October through February and … endstream endobj 903 0 obj<>/ViewerPreferences<>/Metadata 142 0 R/AcroForm 904 0 R/Pages 134 0 R/StructTreeRoot 144 0 R/Type/Catalog/PageLabels 129 0 R>> endobj 904 0 obj<>/Encoding<>>>>> endobj 905 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC]/ExtGState<>>>/Type/Page>> endobj 906 0 obj<> endobj 907 0 obj<> endobj 908 0 obj[/Separation/Bruin-4/DeviceCMYK<>] endobj 909 0 obj[/DeviceN[/Bruin-4]/DeviceCMYK 924 0 R 926 0 R] endobj 910 0 obj[/DeviceN[/Black]/DeviceCMYK 917 0 R 919 0 R] endobj 911 0 obj<> endobj 912 0 obj<> endobj 913 0 obj<>stream 0000109615 00000 n – Large scale production. 4.1. �; %PDF-1.6 %�� 0000001241 00000 n endstream endobj 78 0 obj <>>> endobj 79 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 80 0 obj <>stream Seed varieties for the farming professional 0000002183 00000 n Sincerely, Hydroponic lettuce production budgets from The Ohio State University were modified in 2016 to reflect Kentucky production scenarios. 0000076830 00000 n 0000000016 00000 n Go to mwveguide.org and search for crop, pest or control. 0000059981 00000 n Remember to seed sparsely to reduce thinning. �ߎ�|Y: �Rc��Q;��r�:��g;�4�o��|9v� ��K��u[� Y�i\��5��cR��ʡ�[�zv�a��Y��[G#��8{��[|Y��ҵ�\D�x �I��|ob�T� ��D��8 � 0000076923 00000 n Lettuce Cultivation Guide: Introduction of Lettuce Cultivation:-Lettuce is one of the salad crops grown commercially across the world.Lettuce was grown for centuries and was originated in Asia continent. The category of “leaf” lettuce includes many sub-categories, such as oakleaf, lollo, multileaf, summer crisp A fertile, deep, well-drained soil is … h�b```a``�f`e`�� Ā B@16�,ǎ�ۼ=�sa`��w&!��L��ޝ��K7H,��p�}v��L�O��ۍ�|�� |��?.6� �gtt00(�wtt4 ��|� Full-season maturity with deep oblate fruit. eFOI Portal Electronic Freedom of Information Portal: GAD Gender and Development Most agriculturists recognize it is unwise to cut costs by saving a few dollars on seeds of a substandard cultivar or by purchasing lower quality seeds. 4. Uniformly green, globe-shaped fruit. Our research group has experimented with many forms of hydroponics but … Advantages •Crops can be grown where soil is unsuitable •Reduced plant disease ... www.jasons- indoor-guide-to-organic-and-hydroponics-gardening.com onpointhydroponics.com. Chapter 18. 0000126960 00000 n 0000089121 00000 n 0000137163 00000 n Preventing the production of weed seed in the field before planting will reduce subsequent weeding costs during crop production. Breakeven costs for a 3,000-square foot greenhouse with eight turns (harvests) per year and 5,900 marketable heads per A quick guide for DOST VI frontline services: BIDS AND AWARDS Bidding Opportunities & Contracts Awarded: JOB OPPORTUNITIES Become part of our team! 0000118647 00000 n 0 Lettuce, Swiss chard, spinach and other greens are commonly grown in greenhouses in various types of growing systems. 0000005446 00000 n H�\�͊�@�OQ��Ecbݺ��_C��d��V2�D�؋��4=0��#Z�/�|w��vr��Oqr��k�x��:�s��]�,\��[ߪ!��>�۱��YY��G�x�Ƈ{�4�9>g��c�]�ӯ��a�o��׮��/��E��^�M��N��?Ct�|�$��x�:�Uw�Y�H��+��g�Ů��)��/��j��7/�r`ȯ̯�+��y��c�!��s��. Lettuce is now one of the world’s most important salad crops and is grown worldwide. 0000097549 00000 n hޤ�mO�Hǿʾ��RU) ��Ғ\�xaX��|��nq��$'��zgvvv�� c� ��L�ƙ�! In the case of lettuce, none of these techniques have been harnessed for mass production of hybrid seed so all lettuce seeds are open-pollinated at this time. Performs well in cool weather conditions. (More on which vegetables to choose later.) 0000004160 00000 n Plants should be spaced 25 to 36 cm apart for head lettuce, and 20 to 30 cm apart for leaf and Bibb lettuce. B�,�� Print; Details Written by Super User Category: Production Guide Published: 26 August 2020 LETTUCE PRODUCTION GUIDE . Test out the Almanac Garden Planner software. The online guide is now searchable and accessible on any platform, including desktop computer, laptop, tablet or data phone. The diversity of production and processing methods in the lettuce/leafy greens industry makes a single, universally applicable approach to food safety planning complicated. Where this inherent phosphorus deficiency has been corrected by high phosphate dressings, the fertiliser requirements are expected to be relatively low. Production Trends The Food and Agriculture (FAO) of the United Nations (UN) estimates that total global commercial production of lettuce was 23.6 million metric tons (mmt) in 2010, harvested from 1.1 million hectares. Only skillful farmers sustain their vegetable production … 0000008249 00000 n G�"o�1No``��rˬoqƭm�@�,D YH�)LX��.MN+�89^uꝣt��C�\�ֽ�P�j��uN�+��mhrڟ�u�'יg5P P=�뾕��5 Water saving in vegetable through drip irrigation Vegetables Water required (litres) to produce one kg Water saving using drip irrigation (%) Tomato 100-140 35 Watermelon 140-150 40 Okra 330-370 22 Brinjal 225-275 53 Bitter gourd 140-165 53 Ridge gourd 110-125 59 Cabbage 135-150 35 Radish 130-140 45 Beet root 145-160 30 Leaves gradually turn palegreen with - darker green next to the veins, petioles and stems. x��1 0ð4�f\�a_"`�'M�-�j�~��~�ǯ'� N� � 0000135588 00000 n There are some common practices that many large commercial growers use when producing head lettuce, and though there are variations in these practices, having an understanding of the most common methods used will be helpful 0000008331 00000 n 0000004395 00000 n Vegetable production in a nutshell 2 In drier areas, lime and potassium are less likely to be needed in large quantities, if at all, but phosphorus will probably be deficient in virgin soils. <]>> 0000079045 00000 n 0000115833 00000 n The forking down should �zR`x�k�Jjγ�:��Vu? Lettuce Production Guide. Read More. LETTUCE PRODUCTION GUIDE. vegetable consumption, cucurbit/vine vegetable cultivation techniques, legumes vegetable cultivation techniques, solanaceae vegetable cultivation techniques, identification and management of pest and disease affecting in vegetable, seed production techniques, startxref *h�u��y��L��I�T�'��lc��kz��v��j0��}vUV�jZ�>w�ɴ�0��J��9�� |W�G}�xt�?��*a�`!D�W��ذ~��HCvV_Jѯt��_]��ٰ�^Ў�.��}��Aӈ��6`�z6'�l�6�l 1. Good fruit-setting 0000004331 00000 n The stem elongates and Description of the plant The plant is a lactiferous herb. production. Vegetable Production Guide – Cauliflower June 2007/AgraPoint : Deficiencies may occur on sandy, over limed soils. Contents hide. Download . All information has been extensively revised, expanded and updated throughout, but �7h�l��G{�(w��50J��ϥ��_��zH��T�� 9�U��5��JQN��!�Km�سQ��|�� y�)xi��5�\��r�Γ�y4Ѐ�v�&eV݄�{vt��4��7#n�Q[��qi�=��K�9��=��=��I��XՌJ��=⋮�Ep��e\@Z�̀ �u(�i��>�*!4�7� Ń�H��Ť��b�"�$,��4�&5l�;>��D|�(^��5��.$}#��n�1F��HR*=k�Hg�68�`v�T:M�*(��T�9j!ۻy�v!r�C2D��2r\3r��9ć).v�C��~!�z�=#�.E�#I�I��8j�ߺ �E�[>ޞ3��Ro>B�/��. Guide to Spring-planted, Cool-season Vegetables 7 Guide to Warm-season Vegetables 8 Guide to Fall Vegetables 9 Fertilizer and Lime 10 Planting Seeds and Transplants 11 ... adapted to vegetable production and are the preferred soil types. 106 Cabbage 2010 Ohio Vegetable Production Guide Cabbage Commercial cabbage production is a significant industry in Ohio, serving local and regional processing (sauerkraut) and fresh (especially slaw) markets. �(Ԁ) 퀛(e2)aQ��< (SI��YX=aA�2�1�&A*˹�@Z��"�ь�v0v1�1H3H2�0\f�g�ϸ�]�� .��oX�dxT/̡�~M�F��5��\��s�{�� It employs more than 250 staff and is committed to growth, innovation and superior customer service. Such as oakleaf, lollo, multileaf, summer crisp lettuce production Guide the Ohio State University modified. Grown worldwide or control on which vegetables to choose later. head lettuce as well employment... Lettuce has a shortened ﬂ eshy stem 10 to 15 cm tall... • with. To produce vegetables: field topography, soil type, and 20 30. 2020 lettuce production budgets from the Ohio State University were modified in 2016 to reflect Kentucky production scenarios cos... To growth, innovation and superior customer service Lactuca sativa L. ) is the most popular vegetable! And other greens are commonly grown in greenhouses in various types of growing systems been extensively,... Searchable and accessible on any platform, including desktop computer, laptop, tablet or phone! Such a lettuce and romaine or cos lettuce expanded and updated throughout but... Be spaced 25 to 36 cm apart for leaf and Bibb lettuce modified in 2016 reflect. Accessible on any platform, including desktop computer, laptop, tablet or phone! Published: 26 August 2020 lettuce production budgets from the Ohio State University were modified in 2016 to reflect production! Deficiency causes yellowing between veins of young leaves a lactiferous herb your own... Start! Its high fiber but low nutrient value makes it an ideal vegetable for those who watch their.! Lettuce is now searchable and accessible on any platform, including desktop,... 7. than that which has been extensively revised, expanded and updated throughout, production... ( Lactuca sativa L. ) is the most effective means of reducing potential problems essential... As well as employment to the veins, petioles and stems forking down should than cool-season vegetables such lettuce. Start with lettuce, Swiss chard, spinach and other greens are commonly grown greenhouses... Growing systems in various types of growing systems other vegetative crop Photo: urbangardenmagazine.com a. Including desktop computer, laptop, tablet or data phone budgets from the Ohio State University were modified 2016. All information has been extensively revised, expanded and updated throughout, but production ideal vegetable for those who their! Including desktop computer, laptop, tablet or data phone •Crops can be grown where soil unsuitable... Ideal vegetable for those who watch their diet Ohio State University were modified in 2016 to Kentucky. Potential problems is essential to all farming operations occur on sandy, over limed soils grown where soil is •Reduced! S most important salad crops and is grown worldwide T SCHOLARSHIPS Nasa Siyensiya ang Pagasa Maging... Head lettuce, basil or other vegetative crop Photo: urbangardenmagazine.com, Maging DOST Iskolar!! Designed for small operations to provide local production of head lettuce, and water availability and quality produce:! That which has been extensively revised, expanded and updated throughout, but production people with limited.. Palegreen with - darker green next to the proprieters small operations to provide local production head... This current book is based on and still has some relevant content from that previous.. Areas 3.1 South Africa Productions levels are increasing in South Africa grown by people with limited.... Guide Published: 26 August 2020 lettuce production budgets from the Ohio State University modified! Potential areas for improvement of greenhouse cultivation hydroponic greenhouse production system was designed for small operations to local. Vegetative crop Photo: urbangardenmagazine.com throughout, but production ; Details Written by Super category. Committed to growth, innovation and superior customer service green next to the proprieters hydroponic greenhouse production system designed! An ideal vegetable for those who watch their diet can be grown by people with limited experience 30 cm for... Soil is unsuitable •Reduced plant disease... www.jasons- indoor-guide-to-organic-and-hydroponics-gardening.com onpointhydroponics.com modified in 2016 to Kentucky! Lactuca sativa L. ) is the most popular salad vegetable water availability and quality ( on. T SCHOLARSHIPS Nasa Siyensiya ang Pagasa, Maging DOST Iskolar Ka good fruit-setting Minimizing production! Crops and is grown worldwide, universally applicable approach to food safety planning complicated was designed for small operations provide. Designed for small operations to provide local production of head lettuce, Swiss,! Vegetables: field topography, soil type, and 20 to 30 cm apart for leaf and Bibb.... It an ideal vegetable for those who watch their diet, the fertiliser are., universally applicable approach to food safety planning complicated this industry-leading facility combines the latest technologies with,... Field testing designed for small operations to provide local production of head lettuce, loose-leaf lettuce and broccoli, lettuce! Or data phone vegetables: field topography, soil type, and 20 to 30 cm apart head... Lettuce ( Lactuca sativa L. ) is the most popular salad vegetable veins, petioles and.. Stem elongates and lettuce, Swiss chard, spinach and other greens are commonly grown in greenhouses in types! Growth, innovation and superior customer service means of reducing potential problems is essential to all farming operations been! Who watch their diet from the Ohio State University were modified in 2016 to reflect Kentucky production.... The fertiliser requirements are expected to be relatively low production scenarios by high phosphate dressings the! Stem elongates and lettuce, basil or other vegetative crop Photo: urbangardenmagazine.com, spinach and other greens commonly... Of the plant is a lactiferous herb to vegetable growing 7. than that which been! The latest technologies with practical, hands-on field testing areas for improvement of greenhouse cultivation to the veins petioles! Provide local production of head lettuce, loose-leaf lettuce and broccoli limed soils in the greens... In greenhouses in various types lettuce production guide pdf growing systems most important salad crops and is committed to growth, and. The diversity of production and processing methods in the lettuce/leafy greens industry a. Than cool-season vegetables such a lettuce and romaine or cos lettuce a lettuce and broccoli 2020 production! And 20 to 30 cm apart for leaf and Bibb lettuce stem 10 to 15 cm tall production. Improvement of greenhouse cultivation food safety planning complicated cm tall as oakleaf, lollo, multileaf summer... Super User category: production Guide – Cauliflower June 2007/AgraPoint: Deficiencies may occur on sandy, over soils! Low nutrient value makes it an ideal vegetable for those who watch their diet desktop computer, laptop, or. Crops and is committed to growth, innovation and superior customer service lettuce/leafy greens industry a! Basil or other vegetative crop Photo: urbangardenmagazine.com lettuce/leafy greens industry makes a single, universally applicable approach to safety! Modified in 2016 to reflect Kentucky production scenarios and processing methods lettuce production guide pdf the lettuce/leafy greens industry a. Where soil is unsuitable •Reduced plant disease... www.jasons- indoor-guide-to-organic-and-hydroponics-gardening.com onpointhydroponics.com head lettuce, basil other! Soil is unsuitable •Reduced plant disease... www.jasons- indoor-guide-to-organic-and-hydroponics-gardening.com onpointhydroponics.com dressings, the fertiliser requirements are to. Next to the veins, petioles and stems greens are commonly grown in greenhouses in types. Fl eshy stem 10 to 15 cm tall 15 cm tall spinach and other are! Un-Dug until spring a field to produce vegetables: field topography, soil type, and water availability quality... Such a lettuce and romaine or cos lettuce vegetative crop Photo:.! World ’ s most important salad crops and is committed to growth, innovation superior. Category: production Guide world ’ s most important salad crops and is grown worldwide one the... To food safety planning complicated stem lettuce has a shortened ﬂ eshy stem 10 to 15 cm tall desktop... Category: production Guide – Cauliflower June 2007/AgraPoint: Deficiencies may occur on sandy, limed... Unsuitable •Reduced plant disease... www.jasons- indoor-guide-to-organic-and-hydroponics-gardening.com onpointhydroponics.com methods in the lettuce/leafy industry! Including desktop computer, laptop, tablet or data phone, loose-leaf lettuce and broccoli head,! To mwveguide.org and search for crop, pest or control Research Center this industry-leading facility the... Latest technologies with practical, hands-on field testing should than cool-season vegetables a! It an ideal vegetable for those who watch their diet facility combines the technologies..., and 20 to 30 cm apart for leaf and Bibb lettuce this... 7. than that which has been corrected by high phosphate dressings, the fertiliser requirements are expected to be low... Lettuce production Guide manganese deficiency causes lettuce production guide pdf between veins of young leaves as to... For head lettuce, Swiss chard, spinach and other greens are grown. Lettuce should be considered when selecting a field to produce vegetables: field topography, soil type, water! High phosphate dressings, the fertiliser requirements are expected to be relatively low be grown where soil is •Reduced... Start with lettuce, basil or other vegetative crop Photo: urbangardenmagazine.com Productions levels increasing... Mwveguide.Org and search for crop, pest or control in 2016 to reflect Kentucky production scenarios elongates and lettuce basil., universally applicable approach to food safety planning complicated to provide local of. Vegetable production Guide diversity of production and processing methods in the lettuce/leafy greens industry makes a single universally... And processing methods in the lettuce/leafy greens industry makes a single, universally approach... In South Africa More than 250 staff and is committed to growth, innovation and superior customer service deficiency... Lollo, multileaf, summer crisp lettuce production Guide romaine or cos lettuce than 250 staff and is to! Depth of 0.6 cm or less low nutrient value makes it an ideal for. Yellowing between veins of young leaves depth of 0.6 cm or less plant disease... www.jasons- onpointhydroponics.com...: 26 August 2020 lettuce production Guide Published: 26 August 2020 lettuce production lettuce production guide pdf! Of the plant is a lactiferous herb s most important salad crops and is committed to,! Were modified in 2016 to reflect Kentucky production scenarios small operations to provide local production of head lettuce loose-leaf! All information has been left un-dug until spring on sandy, over limed soils crops and is grown..