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Development of Fertilizer Recommendation for Mustard-boro-t.aman Rice Cropping Pattern Under Karatoya-bangali Flood Plain Soils

M. R. A. Mollah
Scientific Officer
Agricultural Research Station, Bangladesh Agricultural Research Institute, Seujgari, Bogura-5800, Bangladesh

M. A. Rahim
Principal Scientific Officer
Agricultural Research Station, Bangladesh Agricultural Research Institute, Seujgari, Bogura-5800, Bangladesh

K. M. Khalequzzaman
Principal Scientific Officer (Plant Pathology)
Spices Research Centre (SRC), Bangladesh Agricultural Research Institute (BARI), Shibganj, Bogura, Bangladesh

M. A. Akther
Scientific Officer
Agricultural Research Station, Bangladesh Agricultural Research Institute, Seujgari, Bogura-5800, Bangladesh

M. J. Islam
Principal Scientific Officer
Agricultural Research Station, Bangladesh Agricultural Research Institute, Seujgari, Bogura-5800, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at Gabtali, Bogra (AEZ-4) for three years (2001-2004) to determine the optimum fertilizer doses for Mustard-Boro-T. aman cropping pattern which enhanced total production and profit. Six nutrient management packages including one farmers’ practice and one control were tested. The other four treatments were soil test based (STB) fertilizer dose for moderate yield goals (MYG) and High yield goals (HYG), STB based fertilizer dose for HYG plus mustard oil cake (400 kg/ha) and fertilizer dose as per country’s Fertilizer Recommendation Guide (FRG’97). Three years average results of HYG gave higher yield performance of crops compared to the other treatments. The mean yield performance of treatment T₂ (HYG) over three years of mustard, Boro and T. aman were 1.11, 5.59 and 3.39 t/ha, respectively. The average gross margin (Tk.17408/ha) and MBCR (3.77) of mustard was the highest in T2 (HYG). Similarly the highest gross margin (Tk .38597 /ha) and mean benefit and cost return (MBCR) (2.77) of Boro rice were observed from T₂ (HYG). It was also observed that the highest gross margin (Tk .23718 /ha) and MBCR of T. aman obtained from T₂.

Keywords: Mustard, Rice, Cropping pattern,

Location: Farmers’ field, Gabtali MLT site, OFRD, BARI, Bogura

Start Date: 01-11-2001

End Date: 31-12-2004

Program Area: Farming System

Commodity: Fertilizer and manures, Mustard, Rice

Objectives:

To find out a cropping system based fertilizer dose of organic and inorganic sources of nutrients and to determine the economic dose of nutrients for Mustard-Boro-T.aman rice cropping system for Karatoya Bangali Flood plain at Bogra district under AEZ-4.

Methodology:

The experiment was conducted over three consecutive years at farmers’ field of Gabtali MLT site under Bogura district during the period from November 2001 to December 2004. The experimental site was medium high land belonging to the agro-ecological zone Karatoya Bangali flood plain (AEZ-4). The cropping pattern of the experiment was Mustard-BoroT.aman rice. There was a turn around time of 5-30 days between two crops. Each crop was grown for three seasons in the same plot. Before starting the experiment soil samples were collected from farmers’ field and were analyzed in Bangladesh Institute of Nuclear Agriculture (BINA) laboratory, Mymensingh. The experiment was laid out in a RCB design with six dispersed replications. The unit plot size was 10m×10m constant for the whole cropping pattern. After getting the results of soil analysis value, fertilizer doses were estimated with the help of soil analysis value as per treatment concerned. The variety of Mustard, Boro and T.aman rice were Tori-7, BRRIdhan-28 and BRRIdhan-32 respectively. Six different fertilizer packages were tested and the details of the treatments were: T₁ (ED1)= Estimated inorganic fertilizer doses for moderate yield goal (MYG), T₂ (ED2)= Estimated inorganic fertilizer doses for high yield goal (HYG), T₃ (IPNS)= Integrated nutrient management for high yield goal), T₄ (FRG’97)= Fertilizer doses as per BARC fertilizer recommendation guide’97, T₅ (EP)= Local farmers practice (Average of 40 farmers data) and T₆ (Control).

The mustard was sown on 25-27 November, 2001 and harvested on 4-10 February, 2002. The second year cycle the mustard was sown on 3-7 November, 2002 and harvested on 11-30 January, 2003. The third year cycle of mustard was sown on 15-22 November, 2003 and harvested on 11-18 February, 2004. The seed rate was 8 kg/ha in all three consecutive years. Entire amount of P, K, S, Zn, B and half of N of different plots was applied during final land preparation for mustard. Rests N was applied on 32-34 days after sowing. After harvesting the mustard, the second crops (Boro and T.aman) were transplanted on the same plot one by one during crop season. Entire amount of P, K, S and one third of N were applied as basal. One third of urea was applied as rapid tillering stage and the remaining was applied before panicle initiation stage for both boro and T.aman. 45 to 47 days old seedling of boro rice were transplanted in well puddle soil on 9-15 February, 1-7 February and 15-24 February in 2002, 2003 and 2004, respectively. The seed rate of boro was 50 kg/ha in all three consecutive years and the crop was harvested on 9-21 May in 2002, 2-8 May in 2003 and 6-12 May in 2004. Third crop T. aman rice was transplanted on 10-20 July in 2002, 22-30 July in 2003 and 3-15 August in 2004. The seed rate of T. aman rice was also 50 ka/ha and the crop was harvested on 26-28 October in 2002, 4-10 November in 2003 and 10-18 November in 2004.

Source of Information: J. Innov. Dev. Strategy. 1(1): 1-5; December 2007

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Three years average results of HYG gave higher yield performance of crops compared to the other treatments. The mean yield performance of treatment T₂ (HYG) over three years of mustard, Boro and T. aman were 1.11, 5.59 and 3.39 t/ha, respectively. The average gross margin (Tk.17408/ha) and MBCR (3.77) of mustard was the highest in T₂ (HYG). Similarly the highest gross margin (Tk .38597 /ha) and mean benefit and cost return (MBCR) (2.77) of Boro rice were observed from T₂ (HYG). It was also observed that the highest gross margin (Tk .23718 /ha) and MBCR of T. aman obtained from T₂.

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