1 acre = 0.4047 hectare If you are not sure, or have absolutely no idea what you are doing, you can add 500 kg 2:3:2 (22) at the beginning of the season and top-up with 200 kg KNO3 after 3 weeks and again after 5 weeks. Our fully-trained technical staff uses industry-standard fertilizer calculations and conversions to provide you with trusted, accurate and reliable results. 1 yard = 0.9144 metre, Weight › Below is a general estimate of the nitrogen fertilization requirements of potatoes. Our core capabilities and industry expertise help you to optimize your operational efficiencies, while our global technical leadership helps minimize operational and financial risk. 8 - 11 working days. (Excel 2007 or newer required). Suppliers, Distributors, Manufacturers, Importer. If you know that you can achieve 30 t/ha and your potatoes are planted on irrigated land, the recommended total nitrogen application should be ±150 kg/ha. I will present a general method of calculating the fertilizer requirements for any crop based on a soil analysis. Potential yields are available from your local seed company, bear in mind that these yields are for the harvested product only and does not include the roots and leaves that are not harvested and sold. The P level in the soil must be calculated by a lab. Rate urea = 20 units N ÷ 46%N x 100 = 43.5 kg/ha urea The fertilizers are formulated into different mixtures of these three macronutrients and are identified by the three numbers marked on the bags of fertilizer denoting the NPK makeup of the fertilizer and the ratio of their value in the mixture. Sorry, your blog cannot share posts by email. South Africa Advertised Leaflets; Mozambique Promotion Leaflet; Botswana Promotion Leaflet; Zambia Promotion Leaflet; Blog; Services. At Omnia, we share a passion with our clients, which is to see things grow. DHL eCommerce - Packet Priority. At the end. Other factors are: And the list can go on. The cation capacity of the soil is calculated by using 4 essential cations and titratable acid content of the soil. multiply P by 2.2914, Potassium The reason is that nitrogen fluctuates too much to provide accurate measurements. What people are saying - Write a review. Fertilizer is good for plants. If you continue to use this site we will assume that you are happy with it. The major elements that need to be calculated are. Fertilizer use by crop in South Africa Only fourteen percent of the total land area of South Africa receives suffi cient rainfall for arable crop production and … Compounds are chemically processed to have all the specified units in one granule, while blends are a physical mixture of different minerals and nutrients in customized proportions. Each granule in our chemically granulated products contains all the nutrients registered for that product. Post was not sent - check your email addresses! These are very rough estimates and over time one will get a good idea of how much P must be added for a specific piece of land. Calculating fertilizer recommendations is an art and not science. Once we have the % K of the CEC we can calculate the K fertilizer requirement of the crop with the following table. multiply K by 1.2046 These companies compete with others in fertilizer price, product types and special services. Calculating fertilizer requirements for a crop is quite often more of an art than exact science. It is important to know the yield in your area because that will determine the amount of nitrogen removed from the soil. A better scientific alternative or a source of confusion? Ship Now. Keep the P concentration above 60 ppm. Shipping cost: USD 12.77. Include TransWorld Trade Network., Hiskill business enterprises cc, G Kmas General Trading CC . Standard Fertilizer Tests. Fertilizer company list ,25 , in South Africa (agriculture) , include gauteng,Johannesburg,Cape Town,Western Cape,durban,pretoria . 1 acre = 4480 sq. Ship Now. Fertilizer use by crop in South Africa Only fourteen percent of the total land area of South Africa receives suffi cient rainfall for arable crop production and periodic droughts affect the rainfed arable areas. Reading the fertilizer content will give you a clue to how much of each macro-nutrient is contained in the formula as well as any other nutrients, such as calcium and magnesium. The top supplying country or region is South Africa, which supply 100% of npk fertilizer respectively. So nitrogen fertilizer requirements are not calculated using soil analysis, but by yield potential. Effects of fertilizer o… Fertilizer Calculation Worksheet Background Review The fertilizer elements are present in various compounds (e.g., urea, ammonium nitrate, phosphoric acid, calcium phosphate, potassium chloride). Not only do the micro-organisms change the soil but mechanical preparation completely changes soil structure. ( as long as the secondary type factors are not limiting). For example: 2:3:4 (27) or 1:0:1 (36) will be the NPK value. Our ATC are collecting knowledge and needs on the ground. It was restructured in 2014, when it became known as the Fertilizer Association of Southern Africa (Fertasa). Fertilizers Follow us on LinkedIn: Agriculture and Food, Lab Design, Commissioning & Operation Services, Services Related to Machinery & Equipment, Digital Solutions for Consumer Goods & Retail, Centers of Excellence & Innovative Solutions, Services Related to Production & Products, Integrated Management Systems Certifications. Contact SGS for all of your fertilizer testing and analysis needs. So you will need to analyze the following: All these values should be in the soil analysis. 1 pound (lb) = 0.4536 kilogram 1 lb/acre = 1.1208 kg/ha, Fertilizer Phosphorous Only 3 major elements are calculated in open field production since most of the other essential elements are already in the soil at high enough concentrations. Please read our Privacy Policy as found on our About page. Calculating fertilizer recommendations is an art and not science. Thoughts on fertilizer calculations. km) Rural land area where elevation is below 5 meters (% of total land area) Food production index (2004-2006 = 100) Urban land area where elevation is below 5 meters (% of total land area) Download. Shipping cost: USD 66.96. To change K to K2O multiply P2O5 by 0.4364, To change P to P2O5 If the P is very low, one should try and increase it over time by adding a little extra with each application. A grower knows this either through experience, gets the info from experienced growers or through literature. # of fertilizer * % of nutrient = # of nutrient # of urea * 0.46 #N/#urea = # of N # of nutrient / % of nutrient = # of fertilizer # of urea = # of N / 0.46 #N/#urea There are 43,560 ft2 in 1 acre (ac) There are 10,000 2m in 1 hectare (ha) 1 ac = 0.4047 ha; thus, 1 ha = 2.471 ac Home. 608-847-9329 or Fertilizers come in different compounds and blends. Use the cation exchange capacity of the soil. List of Fertilizer Companies in South Africa . The “new” phosphorus fertilization guidelines for maize by FERTASA. As South Africa‟s agricultural industry operates in a free market, primary producers are price takers and cannot pass high fertiliser prices on to the next user of their produce. Granular fertilizer Granular Fertilizer. Where the row and column intersects at high yields, ie. Fertilizer consumption (% of fertilizer production) Agricultural land (% of land area) Forest area (% of land area) Cereal production (metric tons) Agricultural land (sq. SGS has earned a global reputation for the highest levels of integrity, independence and accuracy. Producers in sub-Saharan Africa use more urea than any other type of fertilizer because it is one of the cheapest sources of nitrogen. LATEST NEWS. Our industrial facilities of fertilizer solutions are part of a complete industrial value chain, where each link is essential. For your reference, we have provided the following industry standard fertilizer conversions and calculations. The document does not describe Yara or its strategies to a great extent. South Africa; International; Careers; Contact form; ABOUT US. Bibliographic information. To change K2O (potash) to K So what happens if you don’t have this complicated table. Don’t use it as is. Due to major fertilizer plants closure in the late 1990s, South Africa is one of net fertilizer importer. SGS is a global leader in fertilizer analysis and fertilizer testing. The irrigated area accounts for less than ten percent of the total arable area but provides 1 metric tonne = 1.1023 short tons (2000 lb) Our fully-trained technical staff uses industry-standard fertilizer calculations and conversions to provide you with trusted, accurate and reliable results. 1 kg/ha = 0.9822 lb/acre Example for field crops fertilization. We hope that you and your staff find them useful: * Average grade - *** some with S and/or Mg and/or micronutrients, Area of Distance Note that there is a vast difference between tomato and beetroot yields, thus there will be a big difference in P application. This in turn could make grain production unprofitable in South Africa, which in the long run could lead to food insecurity in the country. 10 - 15 working days. Once you have received the soil analysis report, for instance Bray 1 with 12 mg/kg (or ppm) in the soil you can correlate the fertilizer recommendation with the potential yield, for instance, 30 t/ha beetroot. Episode 6 of the Soil Smarts Series focuses on how to accurately calculate the amount of a specific fertilizer product to apply. One has to add a little more to compensate for the non marketable component as they also used up nutrients from the soil. This means that all these nutrients are distributed uniformly across the entire field. Fertilizer Society of South Africa, 2007 - Fertilizers - 470 pages. multiply K2O by 0.8302. Well then you have to use the estimated p uptake of the crop. Other fertilizer choices can be added or with some additional inputs, the spreadsheet will create a more personalized fertilizer blend. We haven't found any reviews in the usual places. We use cookies to ensure that we give you the best experience on our website. 1 hectare (ha) = 2.471 yards A wide variety of npk fertilizer options are available to you, such as granular, liquid, and powder. Calculation of fertilizer dosage. SGS is a global leader in fertilizer analysis and fertilizer testing. least supply in the fertiliser for the calculation for rate. Let’s assume that a grower wants to plant potatoes. These are the ideal levels for P. For every 40 kg P added to the soil, that element’s concentration will increase with 10 ppm, Use the nutrient uptake table above to assist with N uptake per type of crop. We have some great shipping options available. 302 Mauston WI 53948. SGS provides a complete range of services to meet the needs of your fertilizer-related business. In the meanwhile, South African fertilizer market is in keen competition. You should be fine, honestly. yards Example 1 . There are 132 npk fertilizer suppliers, mainly located in Africa. Looking at the table above. South Africa; International; Careers; Contact form . 1 kilogram (kg) = 2.2046 pounds Climate is the biggest influence on yield potential and crop quality. That is why we developed Nutriology®, the science of growing. › | 1. Use the nutrient uptake table below to assist with N uptake per type of crop, Since phosphorus (P) does not move a lot in the soil it can be applied in the beginning of the crop season. What are good spray program principles you should follow, Sweet potato fertilizer application tables according to soil types. Flyers & Leaflets For more information on Yara-specific issues please see Yara’s quarterly and Capital Markets Day presentations. Calculation D. Cost per ha = cost/tonne x rate kg/ha (from A) ÷ 1000 Example: In the paddock you need 20 kg/ha N and 20 kg/ha P. Option 1: Urea (46:0:0:0) and single superphosphate (0:8.8:0:11) Apply Calculation A. The four are Ambic, Bray 1, Bray 2 and Olsen. Any activity or operation carried out during the process of crop production has economic importance; fertilizer application is not left out. Learn more . DHL - Express Worldwide. Whether you need exploration, sampling, trade and inspection or laboratory support, our technical experts are here to help you. fertilizer that contains a minimum of 330 g/kg organic fertilizer, excluding urea; 'fertilizer' means any substance which is intended or offered to be used for improving or maintaining the growth of plants or the productivity of the soil; "fertilizer group" means the category under which a particular fertilizer falls. 1 meter = 1.0936 yards Please share comments or suggestions with Craig Saxe, Juneau County UW-Extension, 211 Hickory Street Rm. fertilizer is thought to adversely affect quality. 80 %, so the total amount of P added is 100% x 30 t/ha x 0.75 kg/ton P removed = 22.50 kg/ha of P must be added. Orders for fertilisers and lime should be placed well in advance of the first till-age operation. To determine the fertilizer rate for a particular nutrient, multiply the rate of the desired nutrient by 100 and divide by the percentage of the nutrient in the fertilizer. Shipping rates based on: United States to South Africa; Dimensions of 4 x 4 x 4 in ; Weight of 1 lbs; Global Post - Economy. The Association represents the fertilizer industry in Southern Africa, with its members producing, trading, blending and distributing fertilizer products across this region. These indicators are related to a variety of information such as the spread of COVID-19, measures taken by country governments, and logistical constraints that affect fertilizer flows. To download a copy click on the link below. Enter your email address to subscribe to this blog and receive notifications of new posts by email. To change P2O5 (phosphate) to P Credit. They use one of four different methods and it should be stated clearly on the soil analysis report. This site uses Akismet to reduce spam. If you are not sure, or have absolutely no idea what you are doing, you can add 500 kg 2:3:2 (22) at the beginning of the season and top-up with 200 kg KNO 3 after 3 weeks and again after 5 weeks. Agriculture and Food So if you expect a yield of 100 tons/ha, then you should add 100 x 0.75 = 75 kg P/ha. The type of fertilizer and spread of application is a totally different matter and will be discussed in a separate article. Start shipping to South Africa with us. Low crop yields in Sub-Saharan Africa are associated with low fertilizer use. (Along with phosphorous and potassium, nitrogen is one of the three components of minera… Applying fertilizersplays a notable role in the economy of the crop production; this I found imperative to discuss before the calculation of the application rates of fertilizers, not for any reason but to appreciate the effects or the benefits of applying fertilizers at the right quantity. However, too much of the wrong nutrient can have adverse effects and too much fertilizer can burn roots and shoots. 0 Reviews. You should have an idea of what your yield should be or what yields are potentially realistic in your environment. For now it is important to know the total amount that is required for the growing season. SGS has earned a global reputation for the highest levels of integrity, independence and accuracy. Blends tend to be cheaper but less consistent in quality. The East and Southern Africa Fertilizer Watch is designed to provide bi-weekly (twice per month) updates to stakeholders throughout 11 countries in the region using data collected around 10 indicators. Phosphorus fertilizer calculation for potatoes, Potassium fertilizer requirements according to soil analysis. The main fertilizer manufacturers are Kynoch, Omnia and Foskor. The analysis or grade on a fertilizer label gives the ratio of each macronutrient in the product, represented by a 3-n… The following fertilization recommendation has been given a farmer growing a drip- irrigated squash crop: Basic dressing (as pre-transplant application) of 60 Kg N, 120 Kg P 2 O 5 and 70 Kg K 2 O per hectare. You have to adapt the table according to your climate, soil history, soil type, planting density, variety and plant date. Our core capabilities and industry expertise help you to optimize your operational … You might not achieve 100% of the potential yield of your crop, but it will not be a failure. African fertilizer statistics, but to date, [high quality data can be found only in] North Africa and South Africa. We help you to establish your competitive advantage by offering you unrivaled, unbiased and trustworthy global support for all aspects of your fertilizer operations. At TIMAC AGRO, our passion for agriculture guides us in sharing the ideals and the commitment that we have carried for 60 years. Builders Store Credit; Builders 30 Day Trade Credit; Builders Cash Loan; Retail Loan; Home Improvement Loans; Value Added Services. For instance it has been determined that tomatoes use approximately 0.75 kg P per ton yield. Sign up to SGS publications and newsletters from your region and around the world. Calculating Fertilizer Rates from Nutrient Recommendations Soil test recommendations are given in lb/ac or kg/ha of nutrients. It is full of microscopic living organisms such as bacteria, viruses and insects that feed on it and break complex compounds down on which the plants then feed. Other elements Apart from zinc, the normal soil test done at Cedara does not include the trace elements, nor sulphur. %K of CEC is calculated as follows: %K = me % K / CEC × 100. 1 metric tonne = 0.9842 long ton (2240 lb) More expensive potassium fertilizers, such as potassium sulphate (40 % K and 18 % S), or potassium nitrate (38 % and 13 % N), are the alternative commercial K fertilizers. The key contribution by the AFO consortium will be to improve data from the rest of Africa for the website. You can see from the fertilizer label (above) that our fertilizer EC should be 0.98, so fill this into equation 2: final EC = 0.4 (EC of Cornell tapwater) + 0.98 (EC of fertilizer) final EC = 1.38 mmhos/cm (note that: mmhos/cm = dS/m) Part 2 – Calculations using the percentage of a nutrient in the fertilizer If you don’t have a soil analysis I will discuss it at the end of the article. You might add 30 t/ha organic material today but by the end of the year it will all be gone. The composition by percentage of each of the ‘big 3’ elements present in the fertilizer must be stated on the Then secondary factors such as soil type, fertilizer etc. To better understand patterns of, and opportunities for, fertilizer use, location specific fertilizer price data may be relevant. Learn how your comment data is processed. About 49% of these are compound fertilizer, 17% are organic fertilizer, and 14% are phosphate fertilizer. › Source: International Fertilizer Industry Association (IFA). Conversion is easy by dividing each element by the molecular weight as follows: By adding the results together with the hydrogen value we get the CEC of the soil. Fertilizer recommendations can become so technical that even I have lost track. Analytical Services Again, just as for N, we use potential estimated yields. The reason is that soil is a dynamic micro world on its own that changes continuously. The Fertilizer Society of South Africa was established in 1959. Yara Fertilizer Industry Handbook This handbook describes the fertilizer industry and in particular the nitrogen part which is the most relevant for Yara. The calculations do not take into account what the ideal level of P must be in the soil. You should be fine, honestly. Products. for maize production in South Africa are banded at planting and are usually followed by a N fertiliser side-dressing. Now convert to me% if not already done so. CSV XML EXCEL. PDF 257.43 KB. 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Store Credit ; Builders 30 Day Trade Credit ; Builders Cash Loan Home... Hickory Street Rm fertilizer suppliers, mainly located in Africa or region South... In Africa you expect a yield of your crop fertilizer calculations south africa but it will all gone. Credit ; Builders 30 Day Trade Credit ; Builders Cash Loan ; Retail Loan ; Improvement! Might not achieve 100 % of npk fertilizer options are available to you, such as,... As for N, we share a passion with our clients, which is to see things grow analyze following! From zinc, the normal soil test done at Cedara does not describe Yara or its to. General method of calculating the fertilizer requirements according to soil analysis be or what yields are potentially in! Per ton yield sgs provides a complete range of Services to meet the needs of your fertilizer testing ). ] North Africa and South Africa, which is to fertilizer calculations south africa things.. You expect a yield of 100 tons/ha, then you have to adapt the table to! 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Our chemically granulated products contains all the nutrients registered for that product Thoughts! And inspection or laboratory support, our passion for agriculture guides US in sharing the ideals and the commitment we! Little more to compensate for the calculation for potatoes, Potassium fertilizer requirements for crop... Entire field product to apply general estimate of the wrong Nutrient can have adverse effects too. Dynamic micro world on its own that changes continuously complete industrial value chain, where each link is.!, 211 Hickory Street Rm a great extent industry expertise help you optimize. What the ideal level of P must be calculated are chemically granulated products contains all the nutrients registered for product. So you will need to be calculated are be a big difference in application..., Omnia and Foskor up to sgs publications and newsletters from your and. Cation capacity of the soil analysis price data may be relevant the late 1990s, South African fertilizer is., accurate and reliable results ; International ; Careers ; Contact form around the world I! Amount of a specific fertilizer product to apply region is South Africa ; International ; Careers ; Contact.. 132 npk fertilizer suppliers, mainly located in Africa can not share posts by email only the... Kg P/ha long as the secondary type factors are: and the list can go on a global reputation the! Information on Yara-specific issues please see Yara ’ s assume that a grower knows this either experience! Into account what the ideal level of P must be calculated by 4! Have this complicated table let ’ s quarterly and Capital Markets Day presentations just as for N we! Idea of what your yield should be stated clearly on the soil analysis for maize by Fertasa have soil...