Contextual data: Burkina Faso - Sorghum - All years

‹ 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
Burkina Faso total 1,880,465 1,707,613 1,435,640 1,663,843 1,365,898 1,929,834 1,871,790 1,839,574 1,643,721 1,606,012
Boucle du Mouhoun   356,699 262,942 268,241 262,864 239,210 367,443 352,036 304,116 297,584 281,396  
Cascades   16,427 19,126 15,407 22,551 15,184 20,308 18,840 18,383 15,427 23,241  
Centre   37,495 29,971 27,055 27,685 22,310 26,413 31,779 22,522 25,323 24,168  
Centre-Est   147,361 118,228 84,704 160,907 114,506 111,599 121,597 126,485 121,747 118,804  
Centre-Nord   166,314 142,311 109,003 112,276 95,901 183,481 168,243 249,352 149,828 150,137  
Centre-Ouest   205,760 260,886 196,305 228,324 146,827 232,873 204,508 237,898 250,812 198,206  
Centre-Sud   111,374 84,587 69,993 118,216 92,532 87,515 104,154 86,268 108,911 75,424  
Est   214,856 193,161 142,975 197,127 176,924 241,222 286,330 208,854 207,313 195,667  
Hauts-Bassins   158,426 126,222 140,876 124,671 112,866 186,339 141,067 97,368 81,435 139,780  
Nord   193,886 157,661 130,566 127,929 114,802 150,980 143,314 177,334 103,112 148,787  
Plateau-Central   123,323 120,260 84,728 94,127 77,071 122,717 114,655 125,724 109,371 94,680  
Sahel   65,253 72,967 75,766 81,868 78,373 98,060 76,251 67,612 45,347 62,869  
Sud-Ouest   83,291 119,291 90,021 105,298 79,392 100,884 109,016 117,658 127,511 92,853  

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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