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Effect of Mustard Cake and Other Organic Fertilizers on the Performance of Boro Rice

B Karmakar
Scientific Officer
BRRI Rajshahi

MA Ali
PSO
BRRI Rajshahi

Abstract/ Executive Summary:

Significant variation among the treatments for grain yield, panicles m^-2, panicles hill^-1, grains panicle^-1, 1000 grain weight and sterility was observed in this investigation. The highest grain yield (8.11 t/ha) was obtained in T₇ where 225 kg/ha chook chook was applied in addition of reduced amount the recommended chemical fertilizer. This was followed by T₄ (7.33 t/ha), T₉ (7.27 t/ha) where 3 ton cowdung/ha and 270 kg Chook Chook/ha respectively were applied in addition of reduced of the recommended dose and T₃ (7.21 t/ha). In fact, except T₇, there was no significant difference among these treatments. But compared to standard check (T₂), almost all the treatments gave higher yield. In contrast, the lowest grain yield (3.25 t/ha) was found in absolute control (T₁). Considerable variation among the treatments was found for panicle production per unit area. The highest panicles/m² (342) was observed in T₇ that was at par with T₃, T₄, T₅ and T₉. Similar trend was noted for panicles per hill and grains/panicle. Sterility was significantly affected by the treatments. The highest sterility (21.5 %) found in T₃ followed by T₉ (18.8 %). In contrast, the lowest sterility (11.9 %) was recorded in T₁ where no fertilizer was applied. Significant difference was observed among the treatments for 1000 grain weight. The highest thousand grain weight (22.0 g) was found in T₇ and the lowest (21.1 g) in T₁. In case of the chook chook treatment T₇, 19.6 % grain yield increased over the Researcher’s practice. Cultivation cost included input cost like fertilizers cost (Chook Chook 10.00 Tk/kg) , labor cost, land rent, irrigation, pesticides etc. was calculated on basis of local price of Rajshahi. Output price was calculated from grain and straw value (rough rice Tk. 8.00 /kg and straw Tk. 1.00/kg). Net profit per hectare was found in most of the treatments except T₁. The highest net profit was obtained in T₇ (Tk. 20,080.00) followed by T₄ (Tk. 12,380.00), T₉ (Tk. 11,630.00) and T6 (Tk. 10,560.00). Among the Chook Chook packages, T₇ and T₉ were found promising. The benefit cost ratio (BCR) follows the trend of net profit.

Keywords: Chemical fertilizer, Organic fertilizer, Grain yield, Panicle, Sterility, Productivity.

Location: BRRI, Rajshahi

Start Date: 17-01-2005

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Manures

Objectives:

To investigate the effect of mustard cake and other organic fertilizers on the performance of Boro rice.
To select best fertilizer option for better crop performance

Methodology:

The experiment was conducted at the Bangladesh Rice Research Institute, Regional Station, Rajshahi, during Boro 2005 to investigate the effect of mustard cake and other organic fertilizers on the performance of Boro rice. The experimental field was in High Gangetic River Floodplain under AEZ 11 having silty loam soil with pH 8.4, Organic matter 2.29 %, K 0.19 me/100 g soil, N 0.12 % and P, S, B & Zn was 1.00, 33.96, 0.39 & 3.60 microgram, respectively. A total of nine treatments were used in this investigation where T₂ was standard check. These were as follows: T₁= No fertilizer, T₂= Researcher's Practice: Urea, TSP, MP, Gypsum & Zinc sulfate @ 270, 130, 120, 70 & 10 kg/ha, T₃= Cowdung : 3 t/ha + T₂_,T₄= Mustard cake: 75 kg/ha + T₂_,T₅= Organic fertilizer (Chook Chook) 225 kg/ha + T₂_,T₆ = Chook Chook : Urea : TSP : MP @ 225 : 225 : 50 : 60 kg/ha, T₇ = Chook Chook : Urea : TSP : MP @ 225 : 260 : 30 : 60 kg/ha, T₈= Chook Chook : Urea : TSP : MP @ 270 : 180 : 30 : 60 kg/ha, T₉= Chook Chook : Urea : TSP : MP @ 270 : 225 : 30 : 60 kg/ha, Randomized Complete Block Design with three replications was followed. A high yielding long duration (160 days) variety BRRIdhan29 was used in the experiment. The unit plot size was 5 m x 3 m. Forty five days old seedlings were transplanted with 20 cm X 20 cm spacing on 17 January 2005. Fertilizers were applied as per treatments. All other cultural practices were done as and when necessary for proper crop management. Grain yield was taken from 5 m²area. Grain yield was adjusted at 14% moisture. Yield components were recorded from 16 randomly selected hills in each plot (4 hills each from each of 4 corners of the plot). All data gathered in this experiment were analyzed by IRRISTAT.

Source of Information: Proceedings of the BRRI Annual Internal Review for 2004-2005

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The organic fertilizer Chook Chook responded positively in increasing grain yield, panicles per unit area, grains per panicle and 1000 grain weight. Among the treatments, T₇ (225 kg Chook Chook + less amount of chemical fertilizers) gave the highest yield (8.11 t/ha). The treatment T₇ gave 19.6 % higher yield over T₂. Net profit was also higher in T₇.

Knowledge Management: Report/Proceedings