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Effect of Bradyrhizobium on the Yield of Mungbean (vigna Radiata L.) Grown in Ganges Tidal Floodplain Soil

Dr. M. A. Kashem
Principal Scientific Officer
Plant Pathology Division Bangladesh Institute of Nuclear Agriculture BAU Campus, Mymensingh-2202

M. H. Mian
Professor
Faculty of Ariculture Bangladesh Agricultural University, Mymensingh-2202

Abstract/ Executive Summary:

A study was conducted in the field of Farming System Research Station at Labukhali, Potuakhali district during 1993. Effect of bradyrhizobium inoculation (BAU-604) and NPK fertilization on the growth and yield of mungbean was studied. Bradyrhizobium inoculation and NPK fertilization increased the grain and straw yields of mungbean significantly (P= 0.01). The highest amount of grains (1574 kg/ha) was produced by the treatment 0-30-20 kg/ha NPK + inoculum followed by 25-30-20 kg NPK + inoculum (1476 kg/ha), 25-30-20 kg NPK (1393 kg/ha) and bradyrhizobium inoculation alone (1363 kg/ha). Similar trend was observed the stover yield. The increased N uptake data confirmed the contribution of N₂fixation by bradyrhizobium which was superior to application of 25 kg N per hactare as urea. The NPK treatment 0-30-20 kg + inoculum was found suitable for optimizing yield of mungbean in rabi season.

Keywords: Vigna radiata L., NKP fertilizers, Inoculation, Yields, Bangladesh

Location: Potuakhali

Start Date: 00-02-1993

End Date: 00-05-1993

Program Area: Pest Management

Commodity: Mungbean

Objectives:

To find out a suitable treatment for getting satisfactory growth, nodulation, nitrogen fixation and yield of Mungbean

Methodology:

An experiment was conducted in the field of Farming System Research Station at Lebukahli of Potualhali district (Ganges Tidal Floodplain AEZ) during February to May 1993 to compare the effects of bradyrhizobium inoculation and NPK fertilization on mungbean yield (cv. Kanti). The bradyrhizobium inoculant BAU-604 was collected from the Department of Soil Science of Bangladesh Agricultural University, Mymensingh. The silt loam soil of Ganges Tidal Floodplain had 17.3 percent soil moisture 7.0 pH, 1.05 percent organic carbon, 13 ppm available P, 13.2 me/100 g soil CEC and 0.078 percent total N. The experiment was laid out in a randomized block design having four replications. Six NPK treatments i.e. control, 0-30-20, 0-30-20 + inoculum, 28-30-20 + inoculum, 25-30-20 kg and inoculum alone were included. Each plot had a size of 5 x 4 meter.

Source of Information: J. Agric. Res. 2000, 38(4)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Effect of bradyrhizobium inoculation (BAU-604) and NPK fertilization on the growth and yield of mungbean was studied. Bradyrhizobium inoculation and NPK fertilization increased the grain and straw yields of mungbean significantly (P= 0.01). The highest amount of grains (1574 kg/ha) was produced by the treatment 0-30-20 kg/ha NPK + inoculum followed by 25-30-20 kg NPK + inoculum (1476 kg/ha), 25-30-20 kg NPK (1393 kg/ha) and bradyrhizobium inoculation alone (1363 kg/ha). The NPK treatment 0-30-20 kg + inoculum was found suitable for optimizing yield of mungbean in rabi season.

Knowledge Management: Journal