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Postharvest Loss Assessment of Rice

Bidhan Chandra Nath
Scientific Officer
Farm Machinery and Postharvest Technology Division, Bangladesh Rice Research Institute, Gazipur-1701.

Md Anwar Hossen
Senior Scientific Officer
Farm Machinery and Postharvest Technology Division, Bangladesh Rice Research Institute, Gazipur-1701.

Md. Abul Quasem
Senior Scientific Officer
Farm Machinery and Postharvest Technology Division, Bangladesh Rice Research Institute, Gazipur-1701.

Abstract/ Executive Summary:

Post harvest rice loss assessment study was conducted to asses the loss of rice in Gazipur district during Aus, Aman and Boro season of 2008 and 2009. The common post harvest practices of the farmers were used in the study. The average post harvest losses were found 10.13, 10.06 and 9.87% during Aus, Aman and Boro seasons for field operation (harvesting to drying). Considering three seasons, major losses were found in harvesting, threshing and drying operations. Post-harvest loss was highest in threshing operation (3.19%) followed by drying losses (2.98%).

Keywords: Rice, Harvesting, Threshing, Drying, Transport, Loss

Location: Gazipur

Start Date: 00-00-2008

End Date: 00-00-2010

Program Area: Postharvest and Agro-processing

Commodity: Rice

Objectives:

To assess the post harvest losses of rice

Methodology:

Moisture meter, measuring tape, balance, electric balance, open drum thresher, threshing drum, winnower, kula, trolley, sickle, plastic, cloths bag, canvas, gunny bag, plastic bags, bamboo poles, rope etc. were used to conduct the study. Post harvest losses assessments of rice were conducted in the farmers’ field under Gazipur Sadar Upazila during 2008-2010. Harvesting, field stacking/bundling, field transportation, threshing, cleaning/winnowing, drying, parboiling (soaking, steaming and drying), storage and milling were the different post harvest operations of rice. During the study, only the field operations were considered (harvesting to drying) to calculate the losses. The established method and procedures was applied in this study. During study, farmers’ common practices were applied to determine the post harvest losses. The grain samples and raw data were collected from the field during field operations. The collected samples were cleaned, weighed and determined the moisture content. Filled & unfilled grains were counted manually. Grain weights were adjusted to 14% moisture content (wet basis) for loss calculations.

Source of Information: BRRI Annual Research Review 2009-10

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

A study on post harvest loss assessment of rice was conducted in Gazipur district during Aus, Aman 2008; Aus, Aman, Boro 2009 and Boro 2010 season. Farmers’ practices were applied in post harvest loss calculation. The average post harvest losses were found 10.42, 9.76 and 10.28% during Aus, Aman and Boro seasons for field operation (harvesting to drying). Considering three seasons, major losses were found in harvesting, threshing and drying operations. Post-harvest loss was highest in threshing operation (3.16%) followed by drying losses (3.14%).

Knowledge Management: Report/Proceedings