Contextual data: Burkina Faso - Maize - All years

‹ 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
Burkina Faso total 1,585,420 1,433,086 1,469,611 1,602,525 1,533,432 1,700,127 1,710,896 1,920,102 1,853,510 1,154,779
Boucle du Mouhoun   296,962 198,920 204,619 255,340 193,857 217,174 205,155 280,312 311,857 173,197  
Cascades   179,296 148,349 129,571 156,885 156,792 189,023 190,385 215,399 267,850 136,387  
Centre   14,520 47,395 33,591 28,274 17,311 20,413 40,510 30,544 24,172 14,990  
Centre-Est   93,492 78,512 91,243 121,824 97,501 158,228 163,721 146,819 119,851 74,582  
Centre-Nord   11,723 10,053 7,725 7,484 7,577 12,671 13,924 17,008 10,380 10,080  
Centre-Ouest   131,974 121,780 96,734 103,412 145,303 203,450 179,604 144,838 123,601 97,217  
Centre-Sud   66,885 101,947 73,734 80,102 82,805 97,818 107,374 121,151 101,112 52,950  
Est   111,735 85,485 90,051 109,661 82,216 97,062 90,743 86,876 101,224 70,200  
Hauts-Bassins   551,780 498,177 615,919 588,448 613,587 481,804 527,378 620,020 553,116 408,277  
Nord   8,220 10,256 10,400 9,701 8,677 10,347 11,990 36,717 16,889 8,838  
Plateau-Central   34,565 26,551 19,664 28,416 29,509 47,653 37,571 51,865 43,699 22,065  
Sahel   5,101 3,235 4,943 3,322 4,675 5,676 2,842 4,615 2,180 2,577  
Sud-Ouest   79,167 102,426 91,417 109,656 93,622 158,808 139,699 163,938 177,579 83,419  

Data version 2.19.3

Contextual data

Collected data

Values obtained from primary and secondary sources

Approximated data

Values approximated based on other data for same location

–No data

Not applicable or no data available

LGB Larger Grain Borer (Prostephanus truncatus) read more ›

Storage beetle pest of maize and dried cassava

Contextual data

Contextual factors relate to local conditions and practices that may affect losses on a seasonal or annual basis, such as weather, pest incidence, grain drying conditions and the length of household-level storage.

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APHLIS network and team members collect this data from official sources (e.g. ministries of agriculture and statistics offices), published research studies and national surveys etc, or by interviewing farmers, extension workers or other key informants. This data enables APHLIS to apply the relevant loss figures from the PHL profiles depending on seasonal circumstances, and convert percentage losses into absolute losses (in tonnes) using the production figures. Based on the postharvest loss profiles and contextual factors, APHLIS estimates postharvest losses at the provincial, national and regional levels.

The contextual dataset includes production quantities (t), whether it rained at harvest, the percentage of the crop marketed during first 3 months after harvest, household-level storage duration, and presence of specific pests (for example the larger grain borer, LGB, Prostephanus truncatus) which are used to contextualise the loss profile for each year. The importance of different types of contextual factors may vary between crops, and data for the most relevant contextual factors is shown and used in the loss estimate calculations.

For specific crop, location, year combinations where contextual data is not available, approximated data has been used. This is calculated based on the contextualised data which has been provided for the same location. Approximated contextual data is shown in grey. 

Read more about how APHLIS estimates losses ›

Contextual factors

Production quantity (t) the quantity of grain produced on small and large farms for each growing season.

Rain at harvest whether or not there is damp weather at time of harvest which would make drying the grain difficult. If there is rain at harvest then the value for the harvesting link in the PHL profile is increased.

% sold during first 3 months the proportion of grain that is marketed within the first three months, i.e. that will not enter farm storage for any significant time. This proportion of the production will not be subject to farm storage losses but instead will be affected by transport and market storage losses.

Household-level storage duration (months) the length of time that grain was stored at household-level. If household-level storage is less than 3 months then household-level storage loss is reduced to 0%, if 3 to 6 months it will be only 50% of the loss profile figure, or if 6 months or more than 100% of the household-level storage loss is applied.

LGB presence in the case of maize, whether or not LGB (the larger grain borer, Prostephanus truncatus) is expected to be a significant pest. If LGB is a serious pest in that particular season then storage losses are multiplied by 2.

Season

In locations where there is more than one growing season each year, seasonal production data for each of the growing seasons is inputted. These are labelled as first, second, third season.

Farm type

In locations where there are both smallholder farms and large-scale commercial farms, the contextual data is shown for each of these types.

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