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Influence of Sowing Time on the Yield of Blackgram

M.G. Moula
Regional Agricultural Research Station Jamalpur-2000 Bangladesh

S. Begum
Regional Agricultural Research Station, Jamalpur

M.A. Quayyum
Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

Abstract/ Executive Summary:

The influence of season and time of sowing on the yield of blackgram was assessed in the field experiment at the Regional Agricultural Research Station, Jamalpur during the three consecutive years of 1993-94, 1994-95 and 1995-96 under rainfed condition. Three cropping seasons viz. Rabi (November-February), Kharif-I (March-June) and Kharif-II (July- October) were used as the planting time. Sowing was started from November 15 with a fortnightly interval up to October 30 in every year. The variety was Barimash. The experiment was laid out in a randomized complete block design with three replications. The results obtained from the study revealed that the variety Barimash could be grown throughout the year, but its performance was being better in the Kharif-I. It appeared that the variety is photo-insensitive, but thermo-sensitive. Averaged over three years, March 30 to April 15 sowing gave the higher seed yield. In conclusion, it could be said that Kharif-I season was found to be the best time for blackgram (cv. Barimash) cultivation in Jarnatpur region under AEZ-9.

Keywords: Blackgram, Season, Sowing time, Yield

Location: Regional Agricultural Research Station, Jamalpur

Start Date: 00-11-1993

End Date: 00-10-1996

Program Area: Crop-Soil-Water Management

Commodity: Black gram

Objectives:

To find out the influence of season and time of sowing on the yield of blackgram for maximum yield in Jamalpur region.

Methodology:

The experiment was conducted at the Regional Agricultural Research Station, Jamalpur in three consecutive years, November 1993 to October 1996 under rainfed condition of AEZ-9. The objective of the experiment was to find out a suitable season and also a suitable time of sowing blackgram for obtaining higher yield. Three cropping seasons viz. Rabi (November-February), Kharif-I (March-June) and Kharif-II (July-October) were used as the planting time. Sowing was started from November 15 with a fortnightly interval up to October 30 in every year. There were altogether 24 sowing times in each year which were considered as treatments. The variety Barimash was used as experimental crop. The experiment was laid out in a randomized complete block design with three replications. The unit plot size was 3 m x 5 m. Curing the land preparation of each sowing, the plots were fertilized with 20 kg N, 40 kg P₂0₅ and 20 kg K₂0 per hectare through Urea, triple super phosphate (TSP) and muriate of potash (MP), respectively. During the growth period all the plots were kept weed free. Harvesting were done by hand picking depending on the maturity of the pods. Before picking the pods, ten plants were selected randomly from each plot for data collection. Total rainfall during 1993-94, 1994-95 and 1995-96 were recorded 1583, 0 2589 and 1694 mm, respectively. Data on plant height, branches/plant, pods/plant and seeds/pod were recorded from those selected plants. The yield data were taken plot wise after harvest. The collected data were analysed statistically and means were separated as per DMRT.

Source of Information: Bangladesh J. Agril. Sci. 27(2): 159-162, July, 2000 ; ISSN 0379-4296

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Averaged over three years, March 30 to April 15 sowing gave the higher seed yield. In conclusion, it could be said that Kharif-I season was found to be the best time for blackgram (cv. Barimash) cultivation in Jarnatpur region under AEZ-9

Knowledge Management: Journal