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Seed Yield, Nutrient Balance and Economics of Mungbean Cultivation as Influenced by Different Nutrients Management Under Aez-28

M. A. H. S. Jahan
Principal Scientific Officer
Regional Wheat Research Center, Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur.

M. A. R. Sarkar
Professor
Department of Agronomy, Bangladesh Agricultural University (BAU), Mymensingh.

N. C. D. Barma
Chief Scientific Officer
Regional Wheat Research Center, BARI, Joydebpur, Gazipur.

M. N. A. Mondal
Chief Scientific Officer
Regional Agricultural Research Station, BARI, Ishurdi, Pabna,

M. N. S. Ferdousi
SASP, PBI, BP, Dhaka, Bangladesh.

Abstract/ Executive Summary:

A field experiment was conducted at Regional Wheat Research Centre of the Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh for 2 consecutive years during 2007 and 2008 to find out the optimum nutrient management practice for seed yield, nutrient balance and economics of mungbean. Twelve nutrient management treatments were tested in RCBD with 3 replications. Treatments were without CRI T₁ =HYG (0-24-40-48-24-3-1.2), T₂ =MYG (0-20-36-40-20-2-1), T₃ =IPNS (5000-9-37-36-21-3-1.2), T₄ =STB (0-20-36-40-22-2-1), T₅ =FP (0-6-5-4-0-0-0), T₆ =CON (0-0-0-0-0-0-0) and with CRI T₇ =HYG+CRI, T₈ =MYG+CRI, T₉ =IPNS+CRI, T₁₀ =STB+CRI, T₁₁ =FP+CRI, T₁₂ =CON+CRI kg ha^-1 CDNPKSZnB for mungbean. The maximum seed yield of mungbean was obtained from STB+CRI (1.57 t ha^-1 ) followed by IPNS+CRI (1.54 t ha^-1 ), STB (1.54 t ha^-1 ), IPNS (1.52 t ha^-1 ), HYG+CRI (1.44 t ha^-1 ) and HYG (1.41 t ha^-1 ) in 2007. Similar trend was found in 2008. Numerically higher yield and yield contributing parameters were noticed in CRI plots than without CRI. N and K balance were found negative in all the treatments. P, S, Zn and B balance were found positive in case of HYG, MYG, IPNS and STB along with or without CRI nutrient managements. While in case of FP and CON, the balance was shown almost negative. The maximum gross return and margin was obtained from STB+CRI followed by STB. Slightly higher BCR (3.00) was recorded from STB followed by STB+CRI (2.91).

Keywords: Mungbean, Seed yield, Economics, Nutrient balance, Crop residue, Incorporation.

Location: Regional Wheat Research Centre of Bangladesh Agricultural Research Institute Joydebpur, Gazipur.

Start Date: 00-00-2007

End Date: 00-00-2008

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer, Mungbean

Objectives:

To find out the optimum nutrient management practice for seed yield, apparent nutrient balance in soil and economics of mungbean cultivation under AEZ-28.

Methodology:

The experimental field of Gazipur belongs to the agro-ecological zone of Modhupur Tract (AEZ-28). Mungbean was grown in the same location. The initial soil of the experimental field was analyzed for chemical properties before setting up the experiment. The initial soil status was pH 6.48, OM (%) 1.07, Total N (%) 0.055, available P (μg g ^-1 ) 3.76, exchangeable K (meq 100 g ^-1 ) 0.15, available S (μg g ^-1 ) 9.91, available Zn (μg g ^-1 ) 0.24 and available B (μg g ^-1 ) 0.16. Morphological characters are Grey Terrace soils, medium high land, not well drained, above flood level and grey soil clour. From the initial status of the soil, it was observed that physical characters are silty loam to loam having more or less near neutral soil pH with very low to low soil fertility level. Mungbean (BARI Mug 6), variety was tested in Kharif-I season during 2007 and 2008. Twelve nutrient management treatments were tested in RCBD with 3 replications. Treatments were T₁ =HYG (0-24-40-48-24-3-1.2), T₂ =MYG (0-20-36-40-20-2-1), T₃ =IPNS (5000-9-37-36-21-3-1.2), T₄ =STB (0-20-36-40-22-2-1), T₅ =FP (0-6-5-4-0-0-0), T₆ =CON (0-0-0-0-0-0-0), T₇=HYG+CRI, T₈=MYG+CRI, T₉ =IPNS+CRI, T₁₀=STB+CRI, T₁₁=FP+CRI, T₁₂ =CON+CRI kg ha -1 CDNPKSZnB for mungbean. The previous crop was potato and total foliage (haulm) as residue of potato was incorporated before mungbean sowing. The rates for N, P, K, S, Zn and B application were calculated based on the soil test value following the soil test interpretation. Accordingly, the full or 100% rate of N, P, K, S, Zn and B for each crop was applied. In case of Integrated Plant Nutrient System (IPNS) treatment the amount of nutrients available in cowdung (CD) was deducted from the total amount of chemical fertilizers and adjusted accordingly. The mungbean field was then irrigated at 15 and 30 days after germination. Weeding and plant protection measures were followed as and when necessary. Mungbean was harvested on 25-31 May each year. The crops were harvested at full maturity. An area of 10 m 2 in each plot was harvested to record seed and biomass yields. A sub-sample of 200 g dry biomass for each of crop was collected for chemical (nutrient uptake) analysis. The data on the yield contributing characters were recorded from 10 randomly selected plants for mungbean. For dry biomass yield, total fresh biomass yield was measured from the harvested area. Then a sub-sample from each plot was collected and weighed to record fresh weight. The sub-samples were dried in an oven for 72 hours at 70 ⁰C. Oven dry of each sample was recorded and expressed as dry biomass yield (t ha^-1 ). Data were analyzed statistically by the F-test to examine whether the treatment effects were significant. The mean comparisons of the treatments were evaluated by DMRT (Duncan's Multiple Range Test).

Source of Information: Bangladesh J. Agril. Res. 40(1): 77-93, March 2015, ISSN 0258-7122,

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Soil test based (0-20-36-40-22-2-1 CDNPKSZnB kg ha^-1 ) and integrated plant nutrient system (5-9-37-36-21-3-1.2 CDNPKSZnB kg ha^-1 ) along with or without crop residue incorporation could be suitable for getting higher seed yield with profitable cultivation of mungbean keeping sustainable good soil health.

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