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Effect of Phosphorus and Moisture Level on Yield and Boaa Content of Lathyrus. Season: 2015-2016

M. O. Ali
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

M. S. Hossain
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

M. A. Islam
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

M.J. Hossain
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

M. S. Alam
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted at PRC, Ishurdi and PRSS, Gazipur during rabi season of 2015-2016 to find out the effect of phosphorus with moisture level on yield and BOAA content of lathyrus. There were two moisture levels like- control and light irrigation at 20 DAE which were placed in the main-plot and 5 ‘P’ levels (kg/ha) viz. Control, 10, 20, 30 and 40 were placed in the sub-plot. The experiment was laid out in a slit-plot design with 3 replications. Moisture levels had no significant differences on seed yield but little higher were found in light irrigation at 20 DAE for both locations. Different P levels had no significant effect on grain yield but numerically the highest seed yield was obtained by 20 kg/ha of P level for both locations. The combined effect of moisture level and P level had no significant variation but numerically the highest seed yield was obtained by light irrigation with 20 kg/ha of P level.

Keywords: Pulse, Lentil, Grain yield, Phosphorus,

Location: PRC, Ishurdi and PRSS, Gazipur, Bangladesh

Start Date: 00-00-2015

End Date: 00-00-2016

Program Area: Crop-Soil-Water Management

Commodity: Soil fertility

Objectives:

To find out the effect of “P” fertilizer with moisture level yield and BOAA content in lathyrus.

Methodology:

A field experiment was conducted at PRC, Ishurdi and PRSS, Gazipur during rabi season of 2015-2016 to find out the effect of phosphorus with moisture level on yield and BOAA content of lathyrus. There were two moisture levels like- control and Light irrigation at 20 DAE which were placed in the main-plot and 5‘P’ levels (kg/ha) viz. Control, 10, 20, 30 and 40 were levels were placed in the sub-plot The experiment was laid out in a slit-plot design with 3 replications. The unit plot size was 3m x 4m. Soils were collected before sowing and after harvesting for NPK analysis. The sowing date was 19 November, 20015 for both locations. Fertilizer s N and K @ 20-20 kg/ha and P as per treatment were used as basal. The variety was used Serajganj local and seed rate was 60 kg/ha. Irrigation @ 2 cm was done as per treatment by surface irrigation. During sowing, moisture level (0-15 cm) was 20% but at the time of irrigation, it was 17%. Intercultural operations were done as and when required. The crop was harvested on 18 March,2016 and 29 March, 2015 at Joydebpur and Ishurdi, respectively. Data on yield contributing characters were recorded from 10 randomly selected plants from each plot and seed yield (kg/ha) was recorded from whole plot at harvest. Besides these, seed samples of Lathyrus as per treatment have been collected for BOAA analysis which is under processing at Central laboratory of BARI, Joydebpur, Gazipur. The recorded data were statistically analyzed.

Source of Information: Annual Research Report-2015-2016, Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Moisture levels had no significant differences on yield but little higher was found in light irrigation at 20 DAE for both locations. Different P levels had no significant effect on grain yield but numerically the highest yield was obtained by 20 kg/ha of P level for both the locations. The combined effect of moisture level and P level had no significant variation but numerically the highest seed yield was obtained by light irrigation with 20 kg/ha of P level. It may be due to the cumulative influence of yield contributing characters which influenced to achieving higher yield. BOAA content analysis is under processing. From the study, it revealed that P @ 20 kg/ha was effective for achieving a higher seed yield of lathyrus at all moisture levels. But it will be finalized after receiving the analytical results of BOAA content.

Knowledge Management: Report/Proceedings