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RIMAIAgribusiness SchoolMy land

Module 12 · M17 Industrial and Beverage Crops

Sugar

Can I grow sugarcane profitably as an outgrower to a mill, and what does the mill’s contract mean for my income?

A sugar mill beside cane, vineyard rows and tea bushesMILL

Aligned to the UN Sustainable Development Goals

8Decent work and growth9Industry and innovation12Responsible production13Climate action

Aligned to ISO standards

ISO 22000Food safety managementISO 14001Environmental management
How RIMAI is aligned

Sugar is a crop that only exists around a mill. Cane must be crushed within days of cutting, so growers sit within trucking distance of a mill and sell only to it. Article 111 calls sugar the most politically entangled crop in the region, because its price depends on protected markets and trade agreements more than on open competition.

Sugar: the product, the five stages of the business, the unit it is sold by and where it is producedSugar: how the business runsSold bytonnes of cane per hectare1Plant cane2Grow 12-18 months3Cut4Deliver to mill5Sugar and bagasseZAZWZMBWNAProduces commerciallyImports most needsZA South Africa, ZW Zimbabwe, ZM Zambia, BW Botswana, NA Namibia

U1. The industry and where it grows

Article 111 records South Africa producing around 2.2 million tonnes of sugar a season, an industry worth about R8 billion with roughly R5.1 billion in export earnings, and close to one million people dependent on it on the 2012/13 baseline. Cane is grown in KwaZulu-Natal and Mpumalanga under rainfall and irrigation.

Zimbabwe’s industry is based in the south-eastern Lowveld around the Triangle and Hippo Valley estates, with outgrowers alongside the estates. Zambia’s industry centres on Mazabuka. Botswana and Namibia do not grow commercial cane. Zimbabwe's two estates produced over 440,000 tonnes in 2024/25. Zambia Sugar produced 372,328 tonnes from 3.19 million tonnes of cane in the year to August 2025, after a record 425,000 tonnes the year before. Botswana and Namibia import their sugar, and sugar made up 3.1% of all Namibian imports in August 2022.

U2. Market structure and prices

Growers are paid by the mill under a cane-supply agreement, usually based on the sucrose content of their cane and a share of the revenue from sugar and molasses sold. The domestic sugar price is often protected, while export prices follow the depressed world market. Article 112 explains that access to the protected markets of the Southern African Customs Union and preferential export quotas is the difference between solvency and crisis for several regional producers.

U3. Imports and exports

South Africa, Zimbabwe and Zambia are sugar exporters. Botswana and Namibia import sugar, mainly from within the customs union. Article 113 shows a new threat: South Africa’s Health Promotion Levy, a tax on sugary drinks, reduces demand from the beverage industry.

U4. The value chain and who buys

Sugar value chain: stages from inputs to the consumer, who operates each, where the margin is taken, where a small farm enters and who buysSugar: the value chain and who buysFollow the product left to right. Ochre shows where most of the margin is taken. Green shows where a small farm can enter.1GrowCane growersand outgrowersMOST OF THE MARGIN2MillRaw and refinedsugar3By-productMolasses,bagasse, power4ManufactureFood andbeverage makers5RetailRetailers6ConsumerHouseholdsYour entry pointSupply cane to the mill as an outgrower; read the scheme terms before you sign.Buyers you can reachThe sugar mill through an outgrower scheme.

Growers sell cane to the mill; the mill produces raw and refined sugar, molasses and bagasse; refined sugar goes to retailers and food and beverage manufacturers; molasses to ethanol and animal feed. Article 114 describes cogeneration, using bagasse to generate electricity sold to the grid, as a pivot for mills. Article 115 asks whether outgrower schemes include small growers or lock them in as captive suppliers.

U5. Market access and barriers

Access to the mill is the only market access that matters: a grower must be within its supply area and hold a cane-supply agreement or quota. Cane needs irrigation in the Lowveld, which requires water rights. Cane is planted once and harvested for several seasons before replanting, so the decision is long-term.

U6. The entry route

Real minimum capital. Land preparation, seed cane, irrigation and fertiliser to establish the crop, then annual costs of fertiliser, weed control, cutting and haulage to the mill. The first harvest comes about twelve to eighteen months after planting.

Input choke points. A cane-supply agreement with the mill, irrigation water, and cutting and haulage at the time the mill allocates.

Offtake options. The mill, and only the mill.

Who to call. The mill’s cane procurement office and the grower association in Zimbabwe’s Lowveld or Zambia’s Mazabuka area.

The verdict for a small holding. Sugar is open only to land within a mill’s supply area, through an outgrower scheme. Where it is open, it gives a steady, contracted income; elsewhere this Major is a study of how mills and contract structures work.

The South African benchmark and your market

Market Position Latest data-layer reference
South Africa Large protected industry About 2.2 million t sugar a season (2012/13 baseline)
Zimbabwe Lowveld estates and outgrowers Sugar production, Hippo Valley and Triangle: 440,000 t (2024/25), 1 figure (LIB-C-ZW-Sugar)
Zambia Mazabuka mill and outgrowers Sugar production, Zambia Sugar: 372,328 t (FY2025), 3 figures (LIB-C-ZM-Sugar)
Botswana Importer Local sugar producers (SADC non-producer): 0 mills (Current), 1 figure (LIB-C-BW-Sugar)
Namibia Importer Sugar share of total national imports: 3.1 % (Aug 2022), 1 figure (LIB-C-NA-Sugar)

Apply it to your land

Check whether the land falls within a mill’s supply area. If it does, cost establishment in T-M17-02 Establishment Cost, estimate income under the mill’s payment formula in T-M17-03 Contract Grower Income, examine the mill’s processing margin in T-M17-04, compare prices in T-M17-05 and enter the result in T-M17-01 Enterprise Budget.

Dictionary terms introduced

Code Term Plain meaning
D-outgrower Outgrower A farmer who grows a crop on their own land for a nearby processor under contract
D-cane-supply-agreement Cane-supply agreement The contract setting how much cane a grower may deliver to a mill and how it is paid
D-sucrose-content Sucrose content The amount of sugar in cane, which decides its payment
D-bagasse Bagasse The fibre left after cane is crushed, burned for energy
D-cogeneration Cogeneration Generating electricity from bagasse at a sugar mill

Calculators: T-M17-01 Enterprise Budget, T-M17-02 Establishment Cost, T-M17-03 Contract Grower Income, T-M17-04 Processing Margin, T-M17-05 Market Price Comparator.

Library sources: LIB-A111, LIB-A112, LIB-A113, LIB-A114, LIB-A115; LIB-P-Sugar, LIB-P-Sugar-IP; LIB-C-ZW-Sugar, LIB-C-ZM-Sugar, LIB-C-BW-Sugar, LIB-C-NA-Sugar.