The P level in the soil must be calculated by a lab. 10 - 15 working days. You might add 30 t/ha organic material today but by the end of the year it will all be gone. List of Fertilizer Companies in South Africa . Fertilizer Calculation Worksheet Background Review The fertilizer elements are present in various compounds (e.g., urea, ammonium nitrate, phosphoric acid, calcium phosphate, potassium chloride). Whether you need exploration, sampling, trade and inspection or laboratory support, our technical experts are here to help you. What people are saying - Write a review. You should be fine, honestly. To download a copy click on the link below. About 49% of these are compound fertilizer, 17% are organic fertilizer, and 14% are phosphate fertilizer. 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. The Fertilizer Society of South Africa was established in 1959. Not only do the micro-organisms change the soil but mechanical preparation completely changes soil structure. 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. Standard Fertilizer Tests. 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. SGS is a global leader in fertilizer analysis and fertilizer testing. Calculating Fertilizer Rates from Nutrient Recommendations Soil test recommendations are given in lb/ac or kg/ha of nutrients. In the meanwhile, South African fertilizer market is in keen competition. SGS is a global leader in fertilizer analysis and fertilizer testing. For your reference, we have provided the following industry standard fertilizer conversions and calculations. Other elements Apart from zinc, the normal soil test done at Cedara does not include the trace elements, nor sulphur. If the P is very low, one should try and increase it over time by adding a little extra with each application. You might not achieve 100% of the potential yield of your crop, but it will not be a failure. Example for field crops fertilization. To change K2O (potash) to K If you don’t have a soil analysis I will discuss it at the end of the article. 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. You have to adapt the table according to your climate, soil history, soil type, planting density, variety and plant date. Example 1 . 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. We haven't found any reviews in the usual places. The composition by percentage of each of the ‘big 3’ elements present in the fertilizer must be stated on the Our ATC are collecting knowledge and needs on the ground. 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. 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. 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. 608-847-9329 or Yara Fertilizer Industry Handbook This handbook describes the fertilizer industry and in particular the nitrogen part which is the most relevant for Yara. Fertilizer is good for plants. At TIMAC AGRO, our passion for agriculture guides us in sharing the ideals and the commitment that we have carried for 60 years. for maize production in South Africa are banded at planting and are usually followed by a N fertiliser side-dressing. Other factors are: And the list can go on. The key contribution by the AFO consortium will be to improve data from the rest of Africa for the website. 302 Mauston WI 53948. 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. A wide variety of npk fertilizer options are available to you, such as granular, liquid, and powder. For example: 2:3:4 (27) or 1:0:1 (36) will be the NPK value. 1 metric tonne = 1.1023 short tons (2000 lb) Phosphorus fertilizer calculation for potatoes, Potassium fertilizer requirements according to soil analysis. Orders for fertilisers and lime should be placed well in advance of the first till-age operation. Low crop yields in Sub-Saharan Africa are associated with low fertilizer use. Bibliographic information. Well then you have to use the estimated p uptake of the crop. 1 metric tonne = 0.9842 long ton (2240 lb) Analytical Services The top supplying country or region is South Africa, which supply 100% of npk fertilizer respectively. The reason is that nitrogen fluctuates too much to provide accurate measurements. This in turn could make grain production unprofitable in South Africa, which in the long run could lead to food insecurity in the country. Now convert to me% if not already done so. Don’t use it as is. We help you to establish your competitive advantage by offering you unrivaled, unbiased and trustworthy global support for all aspects of your fertilizer operations. 1 lb/acre = 1.1208 kg/ha, Fertilizer Phosphorous fertilizer is thought to adversely affect quality. This means that all these nutrients are distributed uniformly across the entire field. 1 yard = 0.9144 metre, Weight Shipping cost: USD 12.77. At Omnia, we share a passion with our clients, which is to see things grow. So you will need to analyze the following: All these values should be in the soil analysis. The main fertilizer manufacturers are Kynoch, Omnia and Foskor. DHL - Express Worldwide. 1 hectare (ha) = 2.471 yards Looking at the table above. The Association represents the fertilizer industry in Southern Africa, with its members producing, trading, blending and distributing fertilizer products across this region. Our fully-trained technical staff uses industry-standard fertilizer calculations and conversions to provide you with trusted, accurate and reliable results. We hope that you and your staff find them useful: * Average grade - *** some with S and/or Mg and/or micronutrients, Area of Distance To change P2O5 (phosphate) to P If you continue to use this site we will assume that you are happy with it. You should have an idea of what your yield should be or what yields are potentially realistic in your environment. South Africa; International; Careers; Contact form . PDF 257.43 KB. Fertilizers Shipping rates based on: United States to South Africa; Dimensions of 4 x 4 x 4 in ; Weight of 1 lbs; Global Post - Economy. 1 acre = 4480 sq. Rate urea = 20 units N ÷ 46%N x 100 = 43.5 kg/ha urea For more information on Yara-specific issues please see Yara’s quarterly and Capital Markets Day presentations. A grower knows this either through experience, gets the info from experienced growers or through literature. It was restructured in 2014, when it became known as the Fertilizer Association of Southern Africa (Fertasa). Post was not sent - check your email addresses! Learn how your comment data is processed. They use one of four different methods and it should be stated clearly on the soil analysis report. You should be fine, honestly. The major elements that need to be calculated are. ( as long as the secondary type factors are not limiting). It is important to know the yield in your area because that will determine the amount of nitrogen removed from the soil. 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. multiply K by 1.2046 To better understand patterns of, and opportunities for, fertilizer use, location specific fertilizer price data may be relevant. What are good spray program principles you should follow, Sweet potato fertilizer application tables according to soil types. 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. 8 - 11 working days. Use the cation exchange capacity of the soil. Where the row and column intersects at high yields, ie. Our core capabilities and industry expertise help you to optimize your operational … Due to major fertilizer plants closure in the late 1990s, South Africa is one of net fertilizer importer. The irrigated area accounts for less than ten percent of the total arable area but provides Our industrial facilities of fertilizer solutions are part of a complete industrial value chain, where each link is essential. Sign up to SGS publications and newsletters from your region and around the world. So what happens if you don’t have this complicated table. So nitrogen fertilizer requirements are not calculated using soil analysis, but by yield potential. Granular fertilizer Granular Fertilizer. least supply in the fertiliser for the calculation for rate. We use cookies to ensure that we give you the best experience on our website. South Africa; International; Careers; Contact form; ABOUT US. African fertilizer statistics, but to date, [high quality data can be found only in] North Africa and South Africa. To change K to K2O LATEST NEWS. A better scientific alternative or a source of confusion? Flyers & Leaflets Note that there is a vast difference between tomato and beetroot yields, thus there will be a big difference in P application. However, too much of the wrong nutrient can have adverse effects and too much fertilizer can burn roots and shoots. Any activity or operation carried out during the process of crop production has economic importance; fertilizer application is not left out. (Excel 2007 or newer required). Fertilizers come in different compounds and blends. So if you expect a yield of 100 tons/ha, then you should add 100 x 0.75 = 75 kg P/ha. Keep the P concentration above 60 ppm. Each granule in our chemically granulated products contains all the nutrients registered for that product. Enter your email address to subscribe to this blog and receive notifications of new posts by email. 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. Start shipping to South Africa with us. Once we have the % K of the CEC we can calculate the K fertilizer requirement of the crop with the following table. Our fully-trained technical staff uses industry-standard fertilizer calculations and conversions to provide you with trusted, accurate and reliable results. 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. Other fertilizer choices can be added or with some additional inputs, the spreadsheet will create a more personalized fertilizer blend. %K of CEC is calculated as follows: %K = me % K / CEC × 100. Calculating fertilizer requirements for a crop is quite often more of an art than exact science. 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. 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. 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. These companies compete with others in fertilizer price, product types and special services. 1 pound (lb) = 0.4536 kilogram 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. The analysis or grade on a fertilizer label gives the ratio of each macronutrient in the product, represented by a 3-n… CSV XML EXCEL. Thoughts on fertilizer calculations. Blends tend to be cheaper but less consistent in quality. Please share comments or suggestions with Craig Saxe, Juneau County UW-Extension, 211 Hickory Street Rm. 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. › 0 Reviews. Producers in sub-Saharan Africa use more urea than any other type of fertilizer because it is one of the cheapest sources of nitrogen. SGS has earned a global reputation for the highest levels of integrity, independence and accuracy. That is why we developed Nutriology®, the science of growing. 1 kilogram (kg) = 2.2046 pounds Fertilizer company list ,25 , in South Africa (agriculture) , include gauteng,Johannesburg,Cape Town,Western Cape,durban,pretoria . Calculating fertilizer recommendations is an art and not science. Products. 1 meter = 1.0936 yards | 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. multiply P2O5 by 0.4364, To change P to P2O5 South Africa Advertised Leaflets; Mozambique Promotion Leaflet; Botswana Promotion Leaflet; Zambia Promotion Leaflet; Blog; Services. SGS provides a complete range of services to meet the needs of your fertilizer-related business. 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. Ship Now. There are 132 npk fertilizer suppliers, mainly located in Africa. Ship Now. Calculating fertilizer recommendations is an art and not science. We have some great shipping options available. Agriculture and Food Credit. Again, just as for N, we use potential estimated yields. Fertilizer recommendations can become so technical that even I have lost track. Our core capabilities and industry expertise help you to optimize your operational efficiencies, while our global technical leadership helps minimize operational and financial risk. › Effects of fertilizer o… For now it is important to know the total amount that is required for the growing season. The document does not describe Yara or its strategies to a great extent. Contact SGS for all of your fertilizer testing and analysis needs. 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. The cation capacity of the soil is calculated by using 4 essential cations and titratable acid content of the soil. 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 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. 1 acre = 0.4047 hectare 1. Climate is the biggest influence on yield potential and crop quality. 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. Please read our Privacy Policy as found on our About page. The “new” phosphorus fertilization guidelines for maize by FERTASA. The four are Ambic, Bray 1, Bray 2 and Olsen. Shipping cost: USD 66.96. multiply K2O by 0.8302. multiply P by 2.2914, Potassium Learn more . Suppliers, Distributors, Manufacturers, Importer. The calculations do not take into account what the ideal level of P must be in the soil. Calculation of fertilizer dosage. Include TransWorld Trade Network., Hiskill business enterprises cc, G Kmas General Trading CC . (Along with phosphorous and potassium, nitrogen is one of the three components of minera… At the end. 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. Sorry, your blog cannot share posts by email. 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. 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 … 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 kg/ha = 0.9822 lb/acre Builders Store Credit; Builders 30 Day Trade Credit; Builders Cash Loan; Retail Loan; Home Improvement Loans; Value Added Services. # 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 Below is a general estimate of the nitrogen fertilization requirements of potatoes. Source: International Fertilizer Industry Association (IFA). I will present a general method of calculating the fertilizer requirements for any crop based on a soil analysis. Then secondary factors such as soil type, fertilizer etc. Let’s assume that a grower wants to plant potatoes. This site uses Akismet to reduce spam. DHL eCommerce - Packet Priority. For instance it has been determined that tomatoes use approximately 0.75 kg P per ton yield. 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 The type of fertilizer and spread of application is a totally different matter and will be discussed in a separate article. 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