Agricultural mechanisation can reduce work burden, increase prosperity and enhance diets. Credit: Marc-André Boisvert/IPSTuesday, December 29, 2020Inter Press ServiceDec 29 (IPS) – Agricultural mechanisation is on the rise in Africa, replacing hand hoes and animal traction across the continent. While around 80-90% of all farmers still rely on manual labour or draught animals, this is changing, driven by falling machinery prices and rising rural wages. During the last couple of years, tractor sales grew by around 10% annually.A look at the history of today’s mechanised countries shows that a widespread replacement of manual labour with mechanical power can have large socioeconomic and environmental implications.In our latest study, we explored how mechanisation could change the face of African farming and rural areas. It’s important to ensure that mechanisation can be accompanied by policies that harness its potential and minimise potential negative effects.To understand the effects of mechanisation, we collected data in 87 villages in Benin, Nigeria, Mali and Kenya. These villages were chosen as examples because they’ve already experience mechanisation. We conducted 129 focus group discussions with 1,330 rural residents. They identified various ways that mechanisation affected farming, rural life and nature.The insights from the 87 villages revealed the great transformative power of agricultural mechanisation. Mechanisation can reduce work burden, raise prosperity and enhance diets. But there are also challenges such as soil erosion, deforestation and women’s access to tractor services.Identifying these challenges provides an opportunity to prevent them from arising, through agricultural research and appropriate policy action.Consequences of using tractorsOur study focused on the use of tractors for land preparation as this was the most commonly mechanised activity across the case study countries. Preparing land is labour-intensive and is usually the first activity to be mechanised. Participants were asked to mention positive changes directly related to mechanisation. They then identified subsequent changes. What they told us formed a picture of a chain of impacts.Overall, we found that mechanisation has more far-reaching agronomic, environmental and socioeconomic consequences than commonly assumed.On the upside, it frees men, women and children from heavy agricultural work. This gives them time to do other things, like running non-agricultural businesses or going to school.Mechanisation also helps to overcome labour bottlenecks, a well-recognised constraint to rain-fed agriculture. This allows people to cultivate more land, as 61% of the respondents reported. In Mali, one farmer said:Many farmers have land that they can’t farm, it is let as fallow. With the tractor, the land is farmed and produces volumes of crops beyond the consumption capacity of the household.Using a tractor also improves the timeliness of agriculture. Farm activities can be completed at the optimal time, which raises yields. This was noted by 72% of all respondents. The overall increase in agricultural production contributes to enhancing food security and reducing poverty.On the other hand, 58% of the respondents noted that mechanisation can undermine long-term soil fertility, in particular when the disc plough is used. They said the use of heavy tractors can trigger soil erosion and compaction. In Benin, one farmer reported:Tractor increases soil compaction given the weight… This is followed by the problems of flooding and erosion, which considerably reduce fertility and consequently the yield.Another concern is deforestation. Cultivating more land can mean losing trees on a large scale. Even clearing trees from fields so that tractors can operate there reduces biodiversity and makes the soil more susceptible to rain and wind erosion. In Mali, one farmer reported:Trees are destroyed to enable the tractor to work comfortably. This exposes the land.Some effects are highly context-specific, such as employment effects. In Benin, where mechanisation was associated with area expansion, this greatly raised the demand for labour to carry out the non-mechanised parts of farming. Here, no unemployment effects were reported, confirming a pattern from countries such as Zambia.In Nigeria, where fewer farmers expanded land sizes, 48% reported job losses. Employment effects can be non-direct as well. Many rural residents reported that the rising prosperity of farmers due to mechanisation leads to positive spill-overs to non-farmers such as blacksmiths, carpenters and hairdressers.As with most new technologies, mechanisation has benefits for some but not for others. While other studies have found that smallholder farmers have less access to mechanisation, this was only mentioned by 15% of the respondents. But mechanisation is less accessible for women compared to men. This was reported in all countries but it varied: 71% of women in Mali shared this perception but only 5% of women in Benin.Managing the consequencesMost negative effects are not inherent to farm mechanisation and can be addressed with complementary agronomic practices and adequate policies. Soil erosion can be reduced with conservation agriculture, which protects soils by replacing heavy disc ploughs with less soil-disturbing rippers or direct seeders and continuous soil covers.Deforestation can be minimised with careful land-use planning, for example, by protecting land that is particularly valuable for climate change mitigation, biodiversity, and wildlife.Entry points to ensure that women benefit from mechanisation may comprise campaigns showing women role models using tractors, supporting women’s mechanisation groups and developing knowledge and skills.With the right policies, countries can harness the potential of mechanisation and manage challenges. This can ensure that mechanisation contributes to an African agricultural transformation that is sustainable from a social, economic, and environmental perspective.Thomas Daum, Agricultural Economist, University of HohenheimThis article is republished from The Conversation under a Creative Commons license. 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Tractors Can Change Farming in Good Ways and Bad: Lessons from Four African Countries, Inter Press Service, Tuesday, December 29, 2020 (posted by Global Issues)
… to produce this:Tractors Can Change Farming in Good Ways and Bad: Lessons from Four African Countries, Inter Press Service, Tuesday, December 29, 2020 (posted by Global Issues) .