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SOSUMO

SOSUMO is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand SOSUMO rather than just read about it. In short: SOSUMO (Société Sucrière du Moso) is a company that grows and refines sugar in Burundi. Location The company operates in the Rutana Province in the southeast of Burundi.

Key takeaways

  • SOSUMO belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect SOSUMO to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of SOSUMO from memory before moving on to harder problems.

Reference excerpt

SOSUMO (Société Sucrière du Moso) is a company that grows and refines sugar in Burundi.

Location The company operates in the Rutana Province in the southeast of Burundi. This is in the Moso natural region of Burundi. The area is fed by the Muyovozi River, Mutsindozi River and Maragarazi River on the border with Tanzania. The complex is fed by the Mutsindozi River.

Creation The third five-year plan for economic and social development of Burundi, issued in the early 1970s, include the Moso sugar project to improve the economy of the southeast region. The project would also save foreign currency by avoiding the need to import sugar. The Moso Sugar Company (SOSUMO) was created on 13 July 1982 as a Private Law Mixed Economy Company (SARL). The State of Burundi held 21,250 shares, and 100 shares each were held by the Brasseries et Limonaderies du Burundi (BRARUDI) and the Société Burundaise de Financement (SBF). SOSUMO was given a 5,800 hectares (14,000 acres) concession, about half of which was in marshy areas. Construction of the SOSUMO complex was assigned to the Netherlands company HVA in 1986. The civil engineering works and factory construction were subcontracted to Krupp, a German company. The establishment of SOSUMO led to settlement of the region. The company built a large neighborhood to house its employees, separated into blocks for different categories from directors down to middle managers, technicians and ordinary employees. Private neighborhoods were also built in what developed into an urban center with a regional hospital and an airfield, banks and other institutions. For uneducated youth, a job with SOSUMO gives hope for the future, although only some are employed, and then only for seasonal work.

Sugar production and imports Initial production in 1988 was about 4,000 tonnes. SOSUMO planted 1,149 hectares (2,840 acres) in 1988. By 2023 this had risen to 3,880 hectares (9,600 acres). It struggled to ramp up industrial activities between 1988 and 1991, and lost money. It had to face the socio-political crisis that lasted from 1993 to 2005, but managed to increase production steadily during this period. Later SOSUMO averaged 20,000 tonnes annually, of which 5,000 tonnes were exported. In 2015 SOSUMO increased its sugar production to 23,000 tonnes. The company paid almost US$13 million to the state through taxes and duties, and saved about US$22.5 million in foreign exchange. It contributed 3% to Burundi's Gross Domestic Product (GDP). Production and imports between 2015 and 2020 were (in tonnes):

As of 2018 the company was only able to produce 23,000 tons of sugar per year, while the demand was for 35,000 tons, some of which had to be imported. In December 2019 SOSUMO validated a study by experts from the Institute of Agronomic Sciences of Burundi (ISABU) that recommended using new techniques and types of fertilizer to boost production. The authors noted that the existing system had been unchanged for thirty years. SOSUMO agreed to now use organic fertiliser produced by FOMI, which would reduce costs, including foreign currency costs. As of 2021 Sosumo employed 570 contract workers and almost 3,000 seasonal workers. In September 2022 SOSUMO was undertaking work to expand its fields in Rutana and Makamba provinces by 526 hectares (1,300 acres), which would let the company expand production to 35,000 tonnes of sugar annually. In March 2023 it was decided to expropriate rice farmers in the Mukazye, Mazimero, Gatonga, Kinwa and Nyamikungu marshes of the Commune of Giharo, Rutana Province, and transfer the fields to SOSUMO to grow sugar cane. This plan was later suspended. A report in March 2024 said the company had not been able to obtain herbicides for the previous growing season. Stocks of chemical fertilizers were low, and stocks on hand were due to expire before the next growing season.

Factory In May 2022 Emmanuel Sinzohagera, Speaker of the Senate, visited Rutana Province and met executives of SOSUMO in the Commune of Bukemba to discuss plans for expansion and modernization of their operations, which were underway to meet growing demand. In September 2022 planned growth of cane production meant the factory would also have to be expanded and equipped with modern equipment, and SOSUMO was seeking funding for this, but in the interim planned to repair the boilers after the production campaign ended in December. SOSUMO again was forced to close in December 2023, while almost two thirds of the canes were waiting to be processed. The canes must be processed within a year or they become unusable. In April 2024 the managing director told the workers that the Indian company that was to repair the broken boiler, turbo-alternator and centrifuge had been slow to arrive, which would delay the start of the sugar production campaign.

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with SOSUMO

Start with the simplest possible case. Write down what SOSUMO claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to SOSUMO before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about SOSUMO ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of SOSUMO

In research
SOSUMO appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses SOSUMO in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
SOSUMO is common in secondary-school and first-year university syllabi. It links to neighbouring topics Agriculture in Burundi, Companies of Burundi, Sugar refineries, so understanding it makes those chapters shorter.
In everyday life
Look for SOSUMO outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study SOSUMO in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what SOSUMO means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain SOSUMO out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is SOSUMO in simple terms?

SOSUMO (Société Sucrière du Moso) is a company that grows and refines sugar in Burundi. Location The company operates in the Rutana Province in the southeast of Burundi.

Why does SOSUMO matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study SOSUMO?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on SOSUMO.

Tags

  • Agriculture in Burundi
  • Companies of Burundi
  • Sugar refineries

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