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Influence of Seed Rates and Levels of Npk Fertilizers on Dry Matter Accumulations and Yield Performance of Foxtail Millet (setaria Italica L. Beauv.)

M. S. HASAN
Senior Scientific Officer
Jute Farming Systems Division, Bangladesh Jute Research Institute (BJRI), Manik Mia Avenue, Dhaka-1207

M. H. RASHID
Senior Scientific Officer
Breeding Division, Bangladesh Jute Research Institute (BJRI), Manik Mia Avenue, Dhaka-1207

M. H. AL-MAMUN
Senior Scientific Officer
Farm Management Unit, Bangladesh Jute Research Institute (BJRI), Manik Mia Avenue, Dhaka-1207

Q. A. RAHMAN
Scientific Officer
Olericulture Division, Horticulture Research Center, Bangladesh Agricultural Research Institute (BARI), Gazipur-170l, Bangladesh.

Abstract/ Executive Summary:

A study was carried out in the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, Old Brahmaputra Flood Plains Soil (AEZ-9) during December 2001 to April 2002 to find out the effect of seed rates and NPK levels on dry matter accumulation and grain yield of foxtail millet (Setaria italica L. Beauv.). Four seed rates viz., 8,10,12, and 14 kg/ha and five levels of NPK fertilizers viz., N0P0K0, N10P8K5, N20P16K10, N30P24K15, and N40P32K20 were included in a split plot design with three replications. Dry matter accumulation pattern was determined by harvesting 10 plants randomly at 30, 60, 80, and 102 DAS (days after swing). The yield and yield contributing characters of foxtail millet were influenced by seed rates and NPK levels except tillers per plant and 1000-grain weight significantly. Generally its production rate was 0.86 t/ha when it was grown in char lands in sandy loam soils, the highest grain yield (1.62 t/ha) was produced by 10 kg seeds/ha, which was identical with 12 kg seeds/ha. In case of NPK levels, the treatment was N30P24K10. In case of interaction, the treatment combination 12 kg seeds/ha and N30P24K15 produced the highest grain yield (1.77 t/ha. In case of interaction, the treatment combination 12 kg seeds/ha and N30P24K15/ha gave the highest grain yield.

Keywords: Seed rates, NPK fertilizers, Dry matter, Yield and yield contributing characters, Foxtail millet.

Location:

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Foxtail millet

Objectives:

The present study was conducted to evaluate the effect of different seed rates and levels of NPK fertilizer and to determine the optimum combination of seed rate and NPK fertilizer for optimum growth, development and maximum yield of foxtail millet.

Methodology:

Titas, a cultivar of foxtail millet used for the study was developed by Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur. Pure seeds of Titas were collected from the Agronomy Division, BARI. The experimental plot was sited at the Agronomy field Laboratory, Bangladesh Agricultural University, Mymensingh. The topography of the experimental land was medium high and the soil was sandy loam in texture belonging to non-Calcareous Dark Grey Floodplain soil. The soil is moderately acidic in nature, moderate in organic matter content and general fertility is low, status of P and cation exchange capacity are medium, K and N status of soils are low (BARC, 1989). Four seed rates 8, 10, 12, and 14 kg/ha and five levels of NPK fertilizers viz., N0P0K0 N10P8K5, N20P16K10, N30P24K15, and N40P32K20 were included in a split plot design with three replications. Each replication was divided into 20 plots assigning four seed rates in the main plots and four levels of NPK fertilizer in the sub-plots. The whole experiment comprises of 60 (3 × 20) unit plots. The size of unit plot was (4 × 2.50 m) 10 m². The plot to plot distance was 0.75 m and that from replication to replication was 1 m. Nitrogen, phosphorus, and potassium were applied through urea, TSP, and MP as per schedule of the experiment, respectively. The entire amount of the TSP, MP, and one-third of urea were applied at the time of final land preparation. The rest of urea was applied in two equal splits at 30 and 60 days after sowing (DAS). Seeds of Kaon were sown in lines in the furrows at the rate of 8, 10, 12, and 14 kg/ha as per treatment schedule. Furrows of about 3 cm depth were opened by hand rake and line to line distance was 25 cm. After sowing, the seeds were covered by well pulverized soil followed by a light pressure by hand. Seeds were germinated within 6-7 days after sowing. After 30 DAS, 1st weeding was done in each plot, while the another one was operated at 60 DAS followed by top dressing of urea fertilizer. When the crop was found under moisture stress, irrigation was given on 13 February, 2002. The crop was infested by grasshopper, shoot fly, ear cutworm, etc. at late vegetative stage. It was successfully controlled by growth period and as such no fungicidal spray was needed. All possible plant protection measures were taken as and when necessary. Observations were recorded on 10 randomly selected plants in each plot for dry matter accumulation at 30, 60, 80 DAS and at harvest. Observation on yield and yield contributing characters were also made. The collected data were analyzed and the mean differences were adjusted by the Duncan’s Multiple Range Test (DMRT).

Source of Information: Bangladesh J. Agril. Res. 38(4): 689-704, December 2013 ISSN 0258-7122

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

From the overall results obtained in the study indicated that N30P24K15 kg/ha and 10 kg seed/ha might be used to obtain satisfactory yield of foxtail millet cv. Titas under the prevailing agroclimatic conditions of BAU farm of Old Brahmaputra Floodplains soils (AEZ-9).

Knowledge Management: Journal