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Response of Mungbean to Micronutrients Application (2016--2017)

M. A. HOSSAIN
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

M. A. QUDDUS
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

BABUL ANWER
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

Abstract/ Executive Summary:

An experiment was conducted at the field of RARS, BARI, Jessore during Kharif-I 2017 to estimate the effective doses of micronutrients (Zn, B and Mo) for mungbean yield maximization in Bangladesh. There were 8 treatments viz. T₁= Control, T₂= Zn 2.0 kg ha^-1, T₃= B 1.5 kg ha^-1, T₄= Mo 1.o kg ha^-1, T₅= Zn_2.0B_1.5, T₆= Zn_2.0Mo_1.0, T₇= B_1.5Mo_1.0 and T₈= Zn_2.0B_1.5Mo_1.0 along with the blanket dose of N₁₅P₂₀K₃₀S₁₀ kg ha^-1. The experiment was designed as a randomized complete block with three replications. The unit plot size was 4 m x 3 m. The results revealed that the yields of mungbean ranged from 1032-1485 kg ha^-1. The highest mungbean yield 1485 kg ha^-1 was obtained from the treatment T₈followed by T₇ treatment. The lowest yield was found in the control treatment. The highest net return TK.57825 ha^-1 was calculated from T₈ and the benefit-cost ratio of 2.86 was counted from the treatment T₅. The lowest net return was calculated from the control treatment. Therefore, the micronutrient management practices of T₅= Zn_2.0B_1.5may be considered as suitable doses for mungbean yield maximization in the calcareous soil of Bangladesh.

Keywords: Micronutrient, Zn, B, Mo, Mungbean, Yield maximization.

Location:

Start Date: 00-00-2017

End Date: 00-00-2017

Program Area: Crop-Soil-Water Management

Commodity: Micronutrient, Mungbean

Objectives:

The study was undertaken (i) to evaluate the response of micronutrient (Zn, B and Mo) on the yield and yield component of mungbean; and (ii) to find out the effective dose of micronutrient (Zn, B and Mo) for mungbean yield maximization.

Methodology:

An experiment was conducted during the Kharif-I season of 2017 at the experimental field of RARS, BARI, Jessore to find out the effective doses of micronutrients (Zn, B and Mo) for mungbean yield maximization. There were 8 treatments viz. T₁= Control, T₂= Zn 2.0 kg ha^-1, T₃= B _1.5 kg ha^-1, T₄= Mo _1.0 kg ha^-1, T₅= Zn_2.0B_1.5kg ha^-1, T₆= Zn_2.0Mo_1.0 kg ha^-1, T₇= B_1.5Mo_1.0kg ha^-1 and T₈= Zn_2.0B_1.5Mo_1.0kg ha^-1 along with the blanket dose of N₁₅P₂₀K₃₀S₁₀ kg ha^-1. Initial soil samples of the experimental plot were collected from 0-15 cm depth and chemical properties were determined through standard methods. The experimental design was a randomized complete block with three replications. The unit plot size was 4 m x 3 m. The mungbean variety was BARI Mung-6. The blanket doses of fertilizers were applied as urea, TSP, MoP and gypsum after final land preparation. Zinc, B and Mo were applied treatment-wise as zinc sulphate, boric acid and ammonium molybdate after bed preparation. Mungbean seeds at the rate of 30 kg ha^-1 were sown with the spacing of 40 cm × 10 cm on 13 March 2017. Weeding was done two times-1^st 20 DAS and 2^nd 35 DAS. Three sprays were given with insecticides (Karate and Ripcord @ 2 ml L^-1) at 10 days intervals. The crop was harvested from 14 May to 7 June 2017. Data on seed yield were collected from the whole plot and stover data were counted from 1 square meter but all the yield components namely: plant height, branches plant^-1, pod length, number of pods plant^-1, number of seeds pod^-1 and 100 seed weight were collected from ten plants selected randomly from each unit plot. Collected data were statistically analyzed through Statistix 10 package. In this study, BCR was counted for a hectare of land. Treatment-wise management cost was calculated by adding the cost incurred for labours and inputs for each treatment. The total yield after each harvest was calculated separately for every treatment and accumulated at the end of the final harvest. The total yield of each treatment was converted for determining yield (kg ha^-1). This yield was utilized to calculate the gross return. This was measured by multiplying the total yield by the unit price of mungbean at that time. Net return was calculated by subtracting management cost from gross return.

Source of Information: Annual Research Report 2016--2017, Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Micronutrient management practices were contributed a significantly positive effect on the yield components of mungbean during Kharif-I 2017 at Jessore. The plant height of mungbean ranged 45.5-55.3 cm and the numbers of branches per plant varied from 2.06-2.45. The tallest plant and highest number of branches per plant were recorded in the treatment T₈ which was significantly higher over the other treatments although some variations were observed in the character- the tallest plant was statistically identical to the treatment T_7, T_6, T_5,T₄ and T₂. The lowest values of both the characters were obtained from treatment T₁. The pod length of the mungbean varied from 7.38-9.29 cm. The highest pod length was observed in T₈ which was significantly different from the others treatment, but it was statistically identical at per T₇, T₆ and T₅ treatments. The number of pods per plant ranged from 23.9-28.7. The maximum number of pods per plant was recorded from the treatment T₈which was significantly higher than the others treatments, but statistically identical to the treatment T₅ & T₆. The number of seeds per pod and 100 seed weight was significantly influenced due to different micronutrient management practices. The number of seeds per pod ranged from 9.30-12.1. The highest number of seeds per pod was observed in T₈ followed by T_7, T₆and T₅ treatments and the lowest value was observed in T₁treatment. The hundred seed weight ranged from 4.50-5.01 g. The highest 100 seed weight was recorded in the treatment T₅ followed by T_8,T₃ and T₆ treatment. The seed yield of mungbean was affected significantly by the different micronutrient management practices during Kharif-I 2017. The highest seed yield (1485 kg ha^-1) was recorded from treatment T₈ which was significantly higher over the other treatments, but statistically identical at per T₇treatment. The percent seed yield increase of mungbean over control varied from 17.1-43.9%. The highest percent seed yield increased was calculated from the treatment T₈and the lowest was from T₂ treatment. The stover yield of mungbean varied from 2318-2977 kg ha^-1. The highest stover yield was observed in T₆ followed by T₈ treatment. The lowest stover yield was recorded from T₁ treatment. Considering the economic analysis, the maximum gross return TK. 96525 ha^-1 was counted from T₈. The minimum gross return TK. 67080 ha^-1 was calculated from the control treatment. The highest net return TK. 57825 ha^-1 was observed in T₈ treatment and the highest benefit-cost ratio of 2.86 was obtained from the treatment T₅. The lowest benefit-cost ratio was counted from the T₆ and T₄ treatments. More or less every micronutrient management practice was contributed to the positive yield of mungbean

On the basis of yields and gross return, it may be concluded that the micronutrient management practice of Zn_2.0B_1.5Mo_1.0with a blanket dose of N₁₅ P₂₀ K₃₀ S₁₀ kg ha^-1 suitable for mungbean yield maximization in the calcareous soil of Bangladesh. On the other hand, considering the benefit-cost ratio, the micronutrient management practice of Zn_2.0B_1.5 may be considered for the low-income farmers.

Knowledge Management: Report/Proceedings