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Effect of Spacing and Row Direction on the Performance of Rice

S. M. Zaman
On-Farm Research Division, Bangladesh Agricultural Research Institute, Mymensingh

M. A. Sadeque
Department of Agronomy, Bangladesh Agricultural University, Mymensingh.

M. A. Karim
Agronom y Division, BINA, Mymensingh.

Abstract/ Executive Summary:

An experiment was conducted during July December 1988 at a farmer's field with plant spacing and row direction of transplant aman rice. Plant spacing were 20, 15 and 10 cm with a fixed row spacing of 25 cm. Planting directions were north-south and east-west. Highest yield was obtained from plant spacing of 15 cm. The row direction had no significant effect. The interaction also had no significant effect. Highest gross benefit, net benefit and benefit cost ratio was obtained from 15 cm plant spacing.

Keywords: Yield, Economic performance, Aman rice,

Location: Mymensingh

Start Date: 01-07-1988

End Date: 01-12-1988

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To investigate the effect of plant spacing and row direction on the yield and economic performance of transplant aman rice (CV. Binashail) at farmer's field

Methodology:

The experiment was carried out during July to December, 1988 at farmer's field, Phulpur, Mymensingh under old Brahmaputra flood plain soil. Three plant spacing ( 20, 15, and 10 crn ) with a fixed row spacing of 25 cm and two row directions (north-south and east-west) were included in the study. A randomized complete block design with 4 replications was used in this study. Data on economiq performance were collected. The total labour hours used for different operations were recorded along with cost of inputs to compute the variable cost of different treatments. The cost and benefit analysis was done for each treatment on hectare basis considering the market price of binashail rice, urea, triple superphosphate and muriate of potash. at the rate of 7.15, 5.00, 5.00 and 4.00 (Tk/kg) respectively.

Source of Information: Bangladesh J. Agril. Sci 18 (2): 161--164: July, 1991.

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results revealed that plant height, panicle/sq.m, panicle length and grain yield/ha were significantly influenced by plant spacing. The highest plant height (133.37 cm) was obtained from 23 cm spacing but it was statistically identical with that of 15 cm spacing. The highest number of panicle/sq.m, was obtained from 10 cm plant spacing but was statistically different to those of 15 and 20 cm plant spacing. The longest panicle ( 16.37 crn ) was obtained from 15 cm plant spacing which was significantly different from those of 10 and 20 cm plant spacing. The highest grain yield was obtained from 15 cm plant spacing but it was statistically identical to that of 10 cm plant spacing. From economic analysis it could be seen that east-west planting direction produced higher gross benefit and benefit cost ratio than north-south row planting. Highest gross benefit, net benefit and benefit cost ratio were also increased with the closer spacing. These results suggest that yield of transplant aman (cv. Binashail) as well as benefit cost ratio could be increased due to 15 cm plant spacing. Therefore, the farmers of experimental region may be advised to follow 15 cm plant spacing or optimum yield of transplant aman rice.

Knowledge Management: Journal