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Effect of Variety and Level of Phosphorus on the Yield and Yield Components of Lentil

S.K. Datta
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M.A.R. Sarkar
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

F.M.J. Uddin
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

The experiment was carried out to study the effect of variety and level of phosphorus fertilizer on the yield and yield components of lentil at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during October 2009 to March 2010. Three lentil varieties viz. BINA masur 2, BINA masur 3 and BARI masur 4 and four levels of phosphorus viz. 0 kg P ha^-1 (P0), 15 kg P ha^-1 (P15), 30 kg P ha^-1 (P30) and 45 kg P ha^-1 (P45) were used in this experiment. Varieties showed significant influence on the all characters except plant height. The highest seed yield (1165 kg ha-1) was observed in BARI masur 4, and the lowest seed yield (1028 kg ha-1) was found in BINAmasur-3. Phosphorus fertilizer had a significant effect on all the plant characters studied except 1000 seed weight. The highest seed yield (1222kg ha^-1) was observed in P45 (45 kg P ha^-1) treatment and the lowest seed yield (893 kg ha^-1) was found in P0 treatment. In case of interaction, effect of cultivar and phosphorus fertilizer doses had a significant effect on all the plant characters studied except seeds pod - 1 and 1000-seed weight. The highest seed yield (1317 kg ha^-1) was obtained in V3 X P45 treatment, and the lowest seed yield (830 kg ha^-1) was observed in V2 X P0 treatment combination. Among the varieties BINA masur 2 and BARI masur 4 were superior to BINA masur 3 in respect of yield performance with 30 kg P ha^-1. BARI masur 4 fertilized with 30 kg P ha^-1produced the highest seed yield.

Keywords: Lentil, Yield, Variety, Phosphorus, Seed

Location: Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh

Start Date: 00-10-2009

End Date: 00-03-2010

Program Area: Crop-Soil-Water Management

Commodity: Lentil

Objectives:

1. The present study was undertaken to find out the effect of variety and level of phosphorus fertilizer on the yield and yield components of lentil.

Methodology:

The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during October 2009 to March 2010 to study the effect of variety and level of phosphorus on the yield and yield components of lentil. The land is medium high having sandy loam texture soil and belongs to Sonatala series under non-calcareous dark gray flood plain soil type with soil pH 6.7 (UNDP and FAO, 1998). The soil is low in organic matter content and its general fertility level is low. Status of phosphorus and nitrogen and cation exchange capacity is medium and that of potassium is low. The experiment was laid out in a randomized complete block design with three replications. The total numbers of plots were 36. The unit plot size was 4.0 m x 2.5 m. Replication to replication and plot to plot distances were 1.0 m and 0.5 m, respectively. The experimental land was first opened on 26 October 2009 with a power tiller. Later on, the land was ploughed and cross-ploughed two times by country plough followed by laddering to obtain the desirable tilth. The corners of the plot were spaded and larger clods were broken into pieces by wooden hammer. All the weeds and stubble were removed and the land was laid out as per the experimental design. Different doses of P were used in different plots. Fertilizers were applied at the rate of 50, 40 and 10 kg ha-1 Urea, Muriate of potash (MOP) and Zinc sulphate (ZnSO4), respectively at final land preparation. P was applied in the term of TSP (Triple super phosphate) as per treatment specification at final land preparation. Seeds with 92% germination capacity were sown in line continuously having line to line distance 30 cm on 18 November 2009 at the rate of 40 kg ha-1. The crop was grown under rainfed condition. The foot and root rot disease was controlled by spraying of Propiconazol 250 EC @ 20 ml per 5 decimal lands. Weeds were controlled by two hand weeding with niri. The first weeding was done on 8 December and second weeding was done on 29 December 2009. The crop was harvested at full maturity on 8 March 2010.The harvested crop was brought to the threshing floor and dried for three days. Then the seed and straw were separated and cleaned. The cleaned seeds were dried in sun for 3-4 consecutive days. The yield of seed was adjusted at 10% moisture level. Data on crop characters were recorded at harvest. The yield contributing characters were recorded from 5 randomly selected plants in each plot and their mean values were determined. The yields were taken plot-wise by harvesting central 10 m2 area of each plot and then it was converted to hectare basis. Data were collected on the following parameters: Plant height (cm), Number of nodules plant^-1 (Data recorded at 60 DAS), Number of pods plant^-1, Number of seeds pod^-1, Number of seeds plant^-1, Seed yield (kg ha^-1). The collected data were analyzed statistically using the analysis of variance technique with the help of computer package MSTAT and mean differences were adjudged by Duncan's Multiple Ranged Test (DMRT).

Source of Information: Int. J. Agril. Res. Innov. & Tech. 3 (1): 78-82, June, 2013

Article Link (Online Journal): Available online at http://www.ijarit.webs.com; ISSN: 2224-0616

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Based on the experimental results, it may be concluded that 30 kg P ha^-1 is the best for maximizing seed yield in lentil and among the varieties BINAmasur-2 and BARI masur4 were found superior to BINAmasur-3 in respect of seed yield. BARI masur 4 can be grown with 30 kg P ha^-1 to obtain the highest seed yield.

Knowledge Management: Journal