Botswana, Maize, 2000

Botswana's estimated postharvest losses for maize in 2000 was 4,191 tonnes or 16.5%.

As for nutrition 14 billion kcal were lost, which is the equivalent of more than 16 thousand people, in terms of annual nutritional dietary energy requirements. In the value chain, the majority of the loss is estimated to be happening at Harvesting/field drying, Household-level storage, and then Further drying. Highest estimated postharvest maize losses in tonnes were estimated to occur in Southern.

To view the list of studies used to estimate these losses, please see the References tab.

Production quantity and estimated postharvest losses

  • Production quantity (tonnes)
  • Estimated postharvest losses (tonnes)
2011–2021
2011 39370
2012 12840
2013 7794
2014 35640
2015 7576
2016 17377
2017 20956
2018 17377
2019 8077
2020 17377
Produced 25,377 tonnes
Estimated postharvest losses 16.5% / 4,191 tonnes
Production quantity Estimated postharvest losses
83.4855 Production quantity: 25,377 tonnes 16.5 Estimated PHL: 4,191 tonnes

See full postharvest losses data table with estimated losses in percentage › | tonnes ›

Value chain

Production quantity and estimated postharvest losses in % per value chain step. Please note that once loss has occurred at harvesting, the percentage loss in the next stage is a percentage of what remained, not of the original amount.

  • Estimated % of crop left
  • Estimated % of crop lost
Amount remaining(%) Estimated postharvest loss(%)
Production 100 Remaining: 100%
Est. PHL: 0% 		0 Remaining: 100%
Est. PHL: 0%
Harvesting/field drying 94.14344 Remaining: 94.14344%
Est. PHL: 5.85656% 		5.85656 Remaining: 94.14344%
Est. PHL: 5.85656%
Further drying 90.25243 Remaining: 90.25243%
Est. PHL: 3.89101% 		3.89101 Remaining: 90.25243%
Est. PHL: 3.89101%
Threshing and Shelling 88.72889 Remaining: 88.72889%
Est. PHL: 1.52354% 		1.52354 Remaining: 88.72889%
Est. PHL: 1.52354%
Transport from field 86.42447 Remaining: 86.42447%
Est. PHL: 2.30442% 		2.30442 Remaining: 86.42447%
Est. PHL: 2.30442%
Household-level storage 82.23227 Remaining: 82.23227%
Est. PHL: 4.1922% 		4.1922 Remaining: 82.23227%
Est. PHL: 4.1922%
Transport to market 80.81562 Remaining: 80.81562%
Est. PHL: 1.41665% 		1.41665 Remaining: 80.81562%
Est. PHL: 1.41665%
Market storage 78.16562 Remaining: 78.16562%
Est. PHL: 2.65% 		2.65 Remaining: 78.16562%
Est. PHL: 2.65%

See full value chain data table with estimated losses in percentage › | tonnes ›

Nutrition

Number of people whose annual dietary requirements (in terms of energy, kcal) could have been met by consuming the maize that was lost postharvest, and what % of the focal group of the population this number equates to.

Total number

16,437

people, 0.7%

Children 1-3

40,408

children, 25.9%

Pregnant women 19-30

14,626

women, 94.6%

Men 31-50

12,948

men, 4.1%

See full nutritional impact data for Children 1–3 › | Pregnant women 19–30 › | Men 31–50 ›