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Impact of Kazi Peyara Research and Extension in Bangladesh

Md. Ismail Hossain
Chief Scientific Officer
Agricultural Economics Division, BARI, Gazipur

M.A. Monayem Miah
Scientific Officer
Agricultural Economics Division, BARI, Gazipur

M. S. Rahman
Scientific Officer
Agricultural Economics Division, BARI, Gazipur

Abstract/ Executive Summary:

The study was conducted during 2001-2002 to evaluate the past investment on research and extension of kazi peyara in Bangladesh. For the purpose, Economic Surplus Model with ex-post analysis was used to estimate the returns to improved varieties of guava that have been replaced the local/traditional varieties. Significant increase in area, production and yield of guava were observed after the release of kazi peyara variety. The internal rate of return to total investment in both kazi peyara research and extension was calculated at 29 percent. It was found that in 2000-01, about 27.10 percent more guava production was made available because of the farmers’ adoption of kazi peyara variety. The potential yield of kazi peyara variety was 83 percent higher over the local/traditional varieties. Under various assumptions about the research and extension expenditures, the IRR ranged between 23 percent and 34 percent and benefit cost ratio between 12 and 31. This indicates that the funding of maize research and extension is a good investment. Therefore, more extension and promotional activities should be strengthened for the crop.

Keywords: Impact, Kazi peyara, Research, Extension.

Location: Agricultural Economics Division, BARI, Gazipur (Bangladesh data)

Start Date: 03-08-2001

End Date: 04-07-2002

Program Area: Socio-economic and Policy

Non-commodity: Adoption of technology

Objectives:

i. To find the growth rate of area, production and yield of guava

ii. To find the adoption of improved varieties of kazi peyara and yield advantage over local varieties

iii. To estimate the rate of returns to kazi peyara research and extension.

Methodology:

The Ex-Post analysis with the help of Economic Surplus Model was considered for the present study to estimate the rate of return of kazi peyara variety that have been replacing the traditional varieties of guava. The analysis was attempted with the closed-economy. The closed-economy commodity market is defined as a commodity that is totally produced and consumed domestically and is neither imported nor exported.The Akino and Hayami (1975) approximation formulas for calculating changes to producer and consumer economic surplus are described below and these are used in this study.

Source of Information: Annual Research Report 2002, Agricultural Economics Division, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Three periods were considered for the growth rate calculation of guava. First, from 1980/81 to 1985/86, i.e., before the release of kazi payara; Second, from 1986/87 to 2000/01, i.e., from the beginning of the released variety up to the study period considered and Third, from 1980/81 to 2000/01 i.e., the whole study period. During first six years from 1980/81 to 1985/86, the annual rate of change of area, production and yield of maize were 9.40, 7.43 and 0.04 percent respectively. After the release of kazi peyara, i.e., after 1985/86, the average area, production and yield of guava increased dramatically and the rate of change of area, production and yield were 7.22, 8.65 and 0.89 percent respectively. Kazi peyara variety of guava has replaced the local varieties starting in 1986. The potential yields of kazi peyara was recorded as 21.863 ton/ha and local variety 11.971 ton/ha. Thus the potential relative yields of kazi peyara variety 83 percent higher over the local variety. It was found that guava prices varied from Tk. 2,000/ton in 1980-81 to Tk 6,500/ton in 2000-01.The internal rate of return (IRR) was found 29 percent. This IRR on investment in research and extension of kazi peyara is a good rate of return. The analysis also includes the benefits over the local varieties. The benefit cost ratio was found 22.23 which indicated higher benefits to the investment.

Knowledge Management: Report/Proceedings