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Boro crops are sown from December to March of the following year.
A `sub'sub-season', ’ pre-Kharif, is defined, but not used to report in these sources.
Annual season in the context of Bangladesh refers to the period from April to April. Crops reported under the annual season are those whose production occurred and is reported within that timelinetimeframe.
The year provided in the source refers to the time period from April to April.
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Survey method: Major crops are surveyed using direct observation of agricultural fields and facilities. All other crops are surveyed by interviewing farmers about recent planting/harvesting activity.
Sampling locations: Approximately 10,000 sampling locations are used, visited four times a year, to estimate agricultural data.
Crop calendar: Bangladesh has a well-defined crop calendar, and surveyors use this to accurately capture each crop's production and area planted.
Yield calculation: When ‘Yields’ are provided by the Agricultural Yearbook sources, they are calculated by precisely measuring a small subset of the sampling locations. When Yields have not been provided, they are calculated based on reported area and production.
Crop variantsvarieties: In some cases, different crop variants were tracked in source documents, but only Total Crop figures are reported source reporting provides additional information on local crop varieties, or crops distinguished by local planting practices. Not all of this crop information has been recorded by FEWS NET. Source documents report Examples include Local, Pajam, Broadcast, and HYV (hybrid) for Aman Rice; Broadcast, Local, Transplanted, and HYV for Aus Rice; Local , and HYV , and Hybrid for Boro Rice; Local, HYV, and Indian for Potato.
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