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Response of Mustard to Zinc Fertilization

N U Mahmud
Scientific Officer
SSD, BARI, Gazipur,

M U S Khatun
Senior Scientific Officer
OFRD, BARI, Rangpur

M M Rahman
Asst. Soil Scientist
SSD, BFRI, Chittagang

Abstract/ Executive Summary:

The objectives were to evaluate the effect of zinc on the yield of mustard and to screen out the suitable variety(s) tested against different zinc levels for maximizing yield. Three varieties of mustard viz., BARI Sharisha-11, 13 and 14 and 5 levels of zinc (0, 1, 2, 3 and 4 kg ha^-1) along with a blanket dose of N₁₂₀ P₃₅ K₆₅ S₂₀B_1.5 kg ha^-1 and cowdung 5 t ha^-1 were used in the study. Results revealed that BARI Sharisha-11 performed better with 3.0 kg Zn ha^?1 in both the location which produced 1488.15 Kg ha^-1and 1726 kg ha^-1seed yield respectively, Ishurdi and Rangpur. Percent yield increase over control was highest, i.e. 36.3 % in Ishurdi in case of BARI Sharisha-14. On the other hand, zinc at the rate of 3.0 kg ha^-1 irrespective of the varieties increased the highest seed yield by 38.3 % over control (Zn₀). Percent yield increase over control was highest, i.e. 33.5 % in Rangpur in case of BARI Sharisha-14. On the other hand, zinc at the rate of 3.0 kg ha^-1 irrespective of the varieties increased the highest seed yield by 40.8 % over control (Zn₀).

Keywords: Zinc, Fertilizer, Mustard

Location: Ishurdi and Rangpur

Start Date: 00-00-2009

End Date: 00-00-2010

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer

Objectives:

The present investigation was carried out with the following objectives:

1) to evaluate the effect of zinc on the yield of mustard and

2) to screen out the suitable variety (ies) tested against different zinc levels for maximizing yield

Methodology:

A field experiment was carried out at two location in Calcareous Brown Floodplain Soil of Regional Agricultural Research Station, Ishurdi (AEZ-11) and ARS, BARI, Rangpur (AEZ-3) during the rabi season of 2009-2010. The nutrient status of initial soil was presented in Table 1 & 2. The experiment was laid out in randomized complete block design with three replications. It was a factorial experiment with 5 levels of Zn (0, 1, 2, 3 and 4 kg ha^-1) and 3 varieties of mustard viz. BARI sharisha-11 (Brassica juncea), BARI sharisha-13 (Brassica napus) and BARI sharisha-14 (Brassica campestris). Fifteen different treatment combinations were constituted for verification. The unit plot size was 3x3 m² and the seeds were sown in mid November by maintaining 30 cm row to row distance apart. Zinc oxide was used as a source of zinc. Five levels each of Zn (0, 1, 2, 3 and 4 kg ha^-1) along with a blanket dose of other chemical fertilizers (N₁₂₀P₃₅K₆₅S₂₀B_1.5 kg ha^-1 and CD at the rate of 5 t ha^-1) were taken in the test. All P, K, S, Zn B and CD and ½ of N were applied at the time of final land preparation and remaining ½ N was top dressed prior to flowering. Irrigation and other intercultural management practices were done as and when necessary. The crop was harvested on February and the necessary data on different parameters were recorded from 10 randomly selected plants. Then it was computed and analyzed statistically. The analyzed data was compared with Least Significant Difference (LSD) test at 5% level.

Source of Information: Bangladesh J. Agriculturist. 4(1): 35–39, 2011 ISSN 1812-4631

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The experiment found that Zn at the rate of 3 kg ha^-1 along with a blanket dose of N₁₂₀P₃₅K₆₅S₂₀B_1.5 cow dung 5 t ha^-1 can be regarded as the best combination for all the varieties tested in Calcareous Brown Floodplain soil of Ishurdi and Rangpur BARI Sharisha-11 was superior to other tested varieties.

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