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Comparative Performance of Urea and Biofertilizer on Growth of Blackgram

M.R.A. Mondol
International Rice Research Institute (IRRI)

M.M.H. Chowdhury
Seed Pathology Centre Bangladesh Agricultural University, Mymensingh

H. Mahmud
DAE, Khamarbari, Dhaka

A. Akter
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh

M.A. Khaleque
BADC, Dhaka

Abstract/ Executive Summary:

The experiment was conducted at the field Laboratory of the Department of Crop Botany, BAU, Mymensingh during the period from August to November, 2003 to evaluate the comparative performance of urea and biofertilizer on growth of backgram. Most of the growth and physiological characters such as plant height, root length, number of branches plant^-1, number of total nodules plant^-1, main root nodules plant^-1, lateral root nodules plant^-1, nodules dry weight plant^-1, number of leaf plant^-1, leaf area plant^-1 LAL, TDM, CGR pod plant, pod length, seed yield plot and straw yield plot^-1 increased significantly due to application of biofertilizer (Rhixobium inoculant) and urea over control. BARI mash-3 performed better than BARI mash-2 and BINA mash-1 in respect of plant height, root length, branches plant, nodules plant nodules weight plant, leaf plant, leaf area, LAL, TDM harvest index pod plant, seed yield plot and straw yield plot. The maximum seed yield was found in BARI mash-3 (85.09 g plot) with Rhizobium inoculation with minimum seed yield in BINA mash-1 (69.07 g plot) in control.

Keywords: Variety, urea, biofertilizer, growth and yield

Location: Department of Crop Botany, BAU, Mymensingh

Start Date: 00-08-2003

End Date: 00-11-2003

Program Area: Crop-Soil-Water Management

Commodity: Black gram

Objectives:

1. To investigate the effect of Rhizobium on growth, nodulation and varietal performance of yield on blackgram.

Methodology:

The experiment was conducted at the Field Laboratory of the Department of Crop Botany, Bangladesh Agricultural University Mymensingh during the period from August, 2003 to November, 2003. The topography of the experimental field was medium high land belonging to the sonatola soil series of grey flood plain soil type under Agro-ecological zone-9 (AEZ-9) named Old Brahmaputra floodplain. Three blackgram varieties (BINA mash-1, BARI mash-2 and BARI mash-3) were used in the present study. The size of each unit plot was (1m ×1m) and the plots were spaded one day before planting and the basal dose of fertilizers was incorporated thoroughly before sowing. Urea, Triple super phosphate (TSP) and Muriate of potash (MP), Biofertilizer were used as sources of nitrogen, phosphorus, potassium and Rhizobium, respectively. Total amount of TSP and MP was applied as basal dose during the land preparation. Urea and Rhizobium inoculum were applied in the selective plots during land preparation and seed sowing. The design was two factors experiment laid out in Randomized complete block design (RCBD) with 3 replications taking variety as the factor A and the inoculants (Un inoculanted, Urea and Biofertilozer) were considered as the factor B. The Rhiobium inoculants was collected from the Biofertilizer Department, Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh. Three gram of seed was required for each plot based on the recommended seed rate ha seeds were weighted and packet in 27 separate polythene bag. The seed were soaked with molasses and then 1.35 g of peat based inoculant of Rhizobium were taken for this experiment. Inoculant was taken for each of these individuals packets and mixed with the seeds thoroughly and thick black past materials were made. The number of Rhizobial population was about 106 cells seeds-1. Care was taken to avoid any contamination of the inoculants. The inoculum coated seeds were placed in a cool dry place for drying and sown in the field at afternoon. The line to line distance was 25 cm and seed to seed distance maintained 15 cm. Intercultural operation was done when it necessary. Plant samples were collected from the field after 30 DAS. From each plot 3 randomly selected plants were carefully uprooted. The roots were carefully washed in water and the nodules from the main root and branch root of each plant were separately collected and counted. The shoot, root and nodule materials were first air-dried and then oven dried at 72±2⁰C. The oven dry weights of shoot, root and nodules were recorded. Second and third plant samples were collected at 50 and 70 DAS and do same. Plants of each pots was harvested and the dry matter weight of the plant tops was noted. Total leaf area of individual sample was measure by an electronic leaf area meter at central laboratory, Bangladesh Agricultural University Mymensingh. Growth parameters like leaf area index (LAI) crop growth rate (CGR) and total dry matter (TDM) were computed from the above data. The data collected on different parameters under the experiment were analyzed to obtained the level of significance using the MSTAT computer package programme. The difference between pairs of means were compared by Duncans Multiple Range Test (DMRT).

Source of Information: J. Agrofor. Environ. 8 (2): 111-116, 2014; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Most of the growth and physiological characters such as plant height, root length, number of branches plant^-1, number of total nodules plant^-1, main root nodules plant^-1, lateral root nodules plant^-1, nodules dry weight plant^-1, number of leaf plant^-1, leaf area plant^-1 LAL, TDM, CGR pod plant, pod length, seed yield plot and straw yield plot^-1 increased significantly due to application of biofertilizer (Rhixobium inoculant) and urea over control.

Knowledge Management: Journal