QUICK DESIGN GUIDE Soil and potato nitrogen status and use of SPAD meter in nitrogen QUICK TIPS (--THIS SECTION DOES NOT PRINT--) management in Kenya (--THIS SECTION DOES NOT PRINT--) This PowerPoint 2007 template produces a 91cm x 122cm J. Njeru1,2, E.Schulte-Geldermann2 B ruce Ochieng Obura;2 Elly Ouma; 2 This PowerPoint template requires basic PowerPoint professional poster. You can use it to create your research (version 2007 or newer) skills. Below is a list of commonly Jomo Kenyata University of Agriculture and Technology (JKUAT), 2 international potato centre SSA-Nairobi (CIP) poster and save valuable time placing titles, subtitles, text, asked questions specific to this template. Email; jnjeru30 @gmail.com and graphics. If you are using an older version of PowerPoint some template features may not work properly. We provide a series of online tutorials that will guide you through the poster design process and answer your poster Introduction TEMPLATE FAQs production questions. Nitrogen is the major element limiting growth of plants in many agricultural systems. Potatoes as shallow rooted crops need a high level of Verifying the quality of your graphics To view our template tutorials, go online to nitrogen to ensure acceptable yield. Due to this a lot of fertilizer is needed to improved production. Nitrogen management, rate and timing Go to the VIEW menu and click on ZOOM to set your PosterPresentations.com and click on HELP DESK. of nitrogen application are critical factors in optimizing potato tuber yield and quality. Low fertilizer application is the major fertilizer preferred magnification. This template is at 100% the size challenges in potato production in Kenya. The recommended fertilizer rate for nitrogen in Kenya is 90 N kg/ha. of the final poster. All text and graphics will be printed at When you are ready to print your poster, go online to 100% their size. To see what your poster will look like when PosterPresentations.com. printed, set the zoom to 100% and evaluate the quality of SPAD is a chlorophyll meter more convenient, leaf clip-on device that determines the relative amount of chlorophyll all your graphics before you submit your poster for printing. Need Assistance? Call us at 1.866.649.3004 present in plant leaves. Object Placeholders The aim of the experiment was to relate the total plant nitrogen to the chlorophyll meter (SPAD) reading. Modifying the layout This template has four different Materials and Methods Results Using the placeholders column layouts. Right-click your To add text, click inside a placeholder on the poster and Fertlilizer use survey was conducted in two mouse on the background and From the survey 78% of farmers use fertilizer in potato farms and 90% of those using the type or paste your text. To move a placeholder, click it fertilizer applied below the recommended rate of 90 kg of nitrogen(N) per ha. click on LAYOUT to see the layout Transects, that is Narok, Bomet and Molo once (to select it). Place your cursor on its frame, and your options. The columns in the provided layouts are fixed and Leaf samples from the farmers field indicated only 42% of farms were below the 4.5% N level cursor will change to this symbol . Click once and drag transect and Nyahururu, Njambini and Nivasha cannot be moved but advanced users can modify any layout in the leaves. it to a new location where you can resize it. by going to VIEW and then SLIDE MASTER. Transect was done. It involved Collection of Correlation between total nitrogen Section Header placeholder soil samples, leave samples and farm Management and the SPAD readings from Click and drag this preformatted section header history. Importing text and graphics from external sources preliminary result is 61.65% placeholder to the poster area to add another section TEXT: Paste or type your text into a pre-existing header. Use section headers to separate topics or concepts placeholder or drag in a new placeholder from the left side plot of tuber yield means at different harvest days Time at different levels of fertilizer_level within your presentation. Two potato varieties (Tigoni, and Asante) were 24 of the template. Move it anywhere as needed. 22 used in the experiment and N.P.K (17.17.17) at As expected the fertilizer application 20 PHOTOS: Drag in a picture placeholder, size it first, click in levels 0, 45, 90, and 135 Kg N/ha. a split plot 18 Increased the yield with 135 N kg/ha 16 it and insert a photo from the menu. design with fertilizer level as the main plot while Giving the highest 14 12 Text placeholder the varieties as the sub plot. The tubers were table of tuber means at different fertilizer levels TABLES: You can copy and paste a table from an external 10 Move this preformatted text placeholder to the poster to planted in furrows of 75cm wide by 30 cm. The fertilizer_level 0 4 5 90 135 8 document onto this poster template. To adjust the way the e.s.e. day_84 day_98 day_116 day_126 add a new body of text. days from planting Time (days) crop was grown under rain fed. Plant sampling text fits within the cells of a table that has been pasted, fertilizer_level 0 day_84 8.55 13 .1 16.11 16.2 fertilizer_level 45 5 fertilizer_level 90 fertilizer_level 135 right-click on the table, click FORMAT SHAPE then click on e.s.e. and SPAD reading were done 33, 47, 70 and 84 day_98 13.24 19.1 5 19.44 18.84 TEXT BOX and change the INTERNAL MARGIN values to 0.25. days after planting. Sampled plant were oven day_116 16.97 21.0 3 22.15 23.86 A linear relationship between shoot day_126 17.49 20.5 7 20.14 21.72 nitrogen content and the SPAD index dried and then the chemical analysis of nitrogen was established for the two seasons Picture placeholder 60 done. Modifying the color scheme was R squared of 0.45 and 0.51 55 Move this graphic placeholder onto your poster, size it first, To change the color scheme of this template go to the Spad=4.56%+23.85 50 respectively. and then click it to add a picture to the poster. spad= 4.3% +20.59 45 DESIGN menu and click on COLORS. You can choose from the 40 provided color combinations or create your own. tigoni 35 asante 30 2.5 3.0 3.5 4.0 4.5 5.0 5.5 % potato shoot nitrogen Conclusions The correlation between total nitrogen and SPAD reading means that extension officers can use the instrument in nitrogen fertilization management in Kenya how ever a repeat experiment is being conducted for more precise results. Acknowledgement The survey was implemented in support by international potato centre who are also supporting the experiments © 2013 PosterPresentations.com 2117 Fourth Street , Unit C Student discounts are available on our Facebook page. Berkeley CA 94710 Go to PosterPresentations.com and click on the FB icon. RESEARCH POSTER PRESENTATION DESIGN © 2012 posterpresenter@gmail.com www.PosterPresentations.com yield (t/ha) spad index