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Tuesday, May 11, 2021

Zimbabwe: ‘Potholes’ From the Previous Assist Drought-Hit Zimbabwean Farmers Save Water

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Bulawayo — For 18 years, Thokozile Ncube has been planting her crops in manure-filled holes lined with straw – and yearly, she grows sufficient to feed her household, as different farmers in Zimbabwe’s drought-prone Matobo district watch their crops shrivel.

The normal planting technique helps crops survive droughts by conserving them hydrated for longer than tilling and watering a whole discipline, mentioned the mom of eight from Gwangazile village, 40 km (25 miles) south of Bulawayo.

“Every time the rain comes, that is if you do the planting and your crops will stay inexperienced, even throughout a dry spell, till the subsequent rainfall comes,” mentioned Ncube, 56.

“I haven’t got to fret about shopping for meals (and) I haven’t got to promote my livestock to purchase meals, like some individuals do throughout drought.”

As erratic rains and worsening dry spells make it more durable to depend on rain to water crops, a authorities programme goals to get extra Zimbabwean farmers to revive the approach generally known as “potholing”, which fell out of style many years in the past.

As dry spells make it more durable to depend on rain for irrigation, farmers are reviving an age-old custom that retains moisture within the soil

“Some strategies utilizing potholes have been utilized by our ancestors to preserve water throughout droughts (and) now, within the wake of local weather change, (they) are being promoted at a bigger scale,” mentioned Lawrence Mashungu, a authorities local weather change skilled.

Potholing is a type of conservation agriculture, an method based mostly on three key ideas: minimal soil disturbance, crop rotation or inter-cropping – rising two or extra crops collectively – and everlasting soil cowl utilizing mulch, straw or different crops.

As a substitute of ploughing and sowing a big space, the “pfumvudza” technique entails planting crops in small holes that entice rainwater, defined Rutendo Nhongonhema, the federal government’s chief agronomist.

“The soil is repeatedly lined, so the moisture is conserved,” she advised the Thomson Reuters Basis by cellphone.

In addition to saving water, local weather specialists say conservation agriculture produces fewer carbon emissions than extra fashionable floor and flood irrigation.

The planet’s soils comprise extra carbon than its ambiance and vegetation mixed, and the tilling concerned in lots of standard farming strategies releases that trapped carbon again into the ambiance, leading to climate-heating emissions.

With potholing, farmers solely disturb the soil precisely the place crops are being planted, releasing much less carbon, mentioned local weather official Mashungu.

“Our low-emission improvement technique for Zimbabwe particularly mentions conservation agriculture as a measure which the nation should implement to attain a inexperienced financial system,” he famous.


In August, Zimbabwe’s authorities began piloting the potholing programme as a part of a scheme that goals to achieve 1.eight million households by the tip of the 2020/2021 farming season with seeds, fertiliser and coaching.

Farmers began planting with the strategy this month, agreeing to apply it to three small plots, every measuring about 620 sq m (0.06 ha), two devoted to cereal crops and the third for oil seed or pulse crops, like sunflower, sesame and soybean.

The holes are specified by 52 rows, one for every week of the 12 months, mentioned agronomist Nhongonhema.

If performed to the anticipated normal, a family ought to be capable of harvest sufficient maize grain from every row to feed a household of six for a complete week, she added.

The objective is to satisfy nearly 90% of Zimbabwe’s annual nationwide meals necessities, mentioned Davison Masendeke, principal agronomist for Matabeleland North within the agricultural extension companies division.

Winston Babbage, vice chairman of the Zimbabwe Industrial Farmers Union, mentioned potholing was “an excellent farming idea” and had the potential to enhance yields for every type of farmers across the nation, from subsistence to industrial.


Discovering methods to develop meals utilizing much less water is a significant concern for farmers in Zimbabwe, the place unpredictable rains have more and more plagued the agricultural sector, exacerbating the impacts of an ongoing financial disaster.

In keeping with a crop report printed by the International Agricultural Monitoring initiative in February, the 2019 October to December wet season was one of many driest on report.

That “severely impacted crop prospects”, as a consequence of farmers dropping crops or deciding to not plant them in any respect, it mentioned.

Within the 2018/2019 season, farming households produced a couple of third much less maize than the 12 months earlier than, in accordance with a report by the Zimbabwe Vulnerability Evaluation Committee, a government-led advisory group.

It attributed that shortfall to a mix of erratic and inadequate rainfall, the struggling financial system and lack of entry to agricultural assets.

“The pfumvudza idea is essential in permitting (small-scale) farmers to safe their livelihoods,” mentioned Harmless Katsande, who coordinates information administration for the event organisation Sensible Motion.

It helps farmers “strengthen their resilience in the direction of the tough situations they discover themselves in”, he added.