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Dvelopment of Fertilizer Recommendation for the Cropping Pattern Potato-boro-t.aman in Irrigated Medium Highland Condition Under Aez -9

M.R Ali
Scientific Officer
OFRD, RARS, Jamalpur

D. J. COSTA
Principal Scientific Officer
RARS, Jamalpur

M.A. SAYED
Monitoring and Evaluation Officer
DAE, Jamalpur

M.A.H. KHAN
Scientific Officer
ARS, Kishoregonj

J.A.ABEDIN
Additional Agricultural Extension Officer
DAE, Jamalpur Sadar, Jamalpur, Bangladesh.

Abstract/ Executive Summary:

The experiment was carried out in the Old Brahmaputra Floodplain soil at the fanner's field of Fanning System Research and Development (FSRD) site, Kushumhati, Sherpur under Sherpur district in the medium high land under AEZ-9 for the three consecutive years 2003-06 to determine economic combined dose of organic and inorganic fertilizers for Potato-Boro-T.aman cropping pattern. Six treatment management packages including one farmer's practices, and one fertilizer control were tested. The other four treatments were soil test based (STB) fertilizer dose for moderate and high yield goals (MYG and HYG), STB based fertilizer dose for HYG plus 5 t/ha cowdung (lPNS) and fertilizer dose for Fertilizer Recommendation Guide'97 (FRG '97). Average of three years' results showed that recommended fertilizer dose based on the FRG '97 was more economic than all other fertilizer doses for the whole pattern. But the treatment Integrated Plant Nutrition Systems based on fertilizer management with cowdung for high yield goal produced the maximum grain and straw yields in the first crop. Application of cowdung had no significant effect on the yield of succeeding crops. The variable cost was higher for the treatment consisting of cowdung due to additional cost of cowdung. The highest marginal rate of return 1626% was obtained from recommended fertilizer based on the FRG '97.

Keywords: Fertilizer, Potato-Boro-T. aman rice pattern, Yield, Economics

Location: Farming System Research and Development site, Kushumhati, Sherpur

Start Date: 00-00-2003

End Date: 00-00-2006

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer

Objectives:

To find out the effect of chemical fertilizers and organic manure on the productivity and profitability of Potato-Boro-T. aman Rice cropping pattern.

Methodology:

The experiment was carried out in the Old Brahmaputra Floodplain soil at the ffarmers' field of Fanning System Research and Development (FSRD) site, Kushumhati, Sherpur under Sherpur district in the medium high land under AEZ-9 for the three consecutive years 2003-06 . Six treatment management packages including one farmer's practices, and one fertilizer control were tested. The other four treatments were soil test based (STB) fertilizer dose for moderate and high yield goals (MYG and HYG), STB based fertilizer dose for HYG plus 5 t/ha cowdung (lPNS) and fertilizer dose for Fertilizer Recommendation Guide'97 (FRG '97). The cropping pattern of the experiment was Potato-Boro-T. aman rice. There was turn around time of 5-15 days between two crops. Each crop was grown for three seasons in the same layout.Ten plants were randomly collected prior to harvest from each plot excluding border plants after attaining the maturity of the crops to collect data on yield attributes. Data on grains/tuber and straw yield were recorded from 6m² area. Collected data were analyzed statistically and the means were separated by DMRT. The cost and return analysis were done considering the prices of nutrients, products and additional costs only.

Source of Information: Bangladesh J. Agril. Res. 34(1): 41-49, March 2009

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Average of three years' results showed that recommended fertilizer dose based on the FRG '97 was more economic than all other fertilizer doses for the whole pattern. But the treatment Integrated Plant Nutrition Systems based on fertilizer management with cowdung for high yield goal produced the maximum grain and straw yields in the first crop. Application of cowdung had no significant effect on the yield of succeeding crops. The variable cost was higher for the treatment consisting of cowdung due to additional cost of cowdung. The highest marginal rate of return 1626% was obtained from recommended fertilizer based on the FRG '97.

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