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Inter-plant Spacing on the Yield of Transplanted Sugarcane

M.M. Uddin
North Regional Station, Sugarcane Research & Training Institute, Madarganj, Thakurgaon, Bangladesh.

S.C. Saha
North Regional Station, Sugarcane Research & Training Institute, Madarganj, Thakurgaon, Bangladesh.

M.J. Islam
North Regional Station, Sugarcane Research & Training Institute, Madarganj, Thakurgaon, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted in the Old Himalayan Piedmont Plain soil under irrigated condition to study the effect of interplant spacing on yield, and yield contributing parameters in five sugarcane varieties, such as Isd-2/54, Isd-18, isd-19, Co-63015 and Isd-20. Forty five days old settlings raised in poly bag were transplanted with two interplant spacing of 30 cm and 60 cm. All the varieties produced the highest tillers in May at both the spacing which gradually declined due to tiller mortality. Closer inter plant spacing resulted in higher tiller mortality than wider inter plant spacing. Tiller mortality was the highest in Isd-18, and the lowest in Isd-20. Higher cane and sugar yield, number of millable canes and lower sucrose concentration were obtained at closer spacing in all the vaneties. Lower sucrose concentration was found at higher population. The highest sugar yield was obtained from Isd-18 followed by Isd-20 at both the spacing. Sugar yield was directly associated ,with sucrose concentration, number of millable cane and cane yield.

Keywords: Effect, Inter-plant spacing,Yield,Transplanted sugarcane

Location: In Old Himalayan Piedmont Plain soil of North Regional Station farm, Thankurgaon.

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Sugarcane

Objectives:

To determine the effect of inter plant spacing of spaced transplanted sugarcane under irrigated condition in Old Himalayan Piedmont Plain soil.

Methodology:

An experiment was conducted in Old Himalayan Piedmont Plain soil of North Regional Station farm, Thankurgaon. Forty five days old polybag settlings of five sugarcane varieties, such as Isd-2/54, Isd-18, Isd-19, Co-63015, and Isd-20 were transplanted in early December at 30 cm and 60 cm inter plant spacing. The row to row distance was maintained one meter. The experiments was laid out in a factorial randomized complete block design with four replications. The plot size was 8m 6m. Recommended doses of different plant nutrients were applied equally to all the plots. The doses in kg/ha were: 170 N as urea, 125 P₂0₅ as triple super phosphate, 222 K₂0 as muriate of potash, and 33 S as gypsum. Furadan 5G was applied @ 40 kg/ha to control white grub and top shoot borer. Plots were irrigated thrice. Necessary intercultural operations, and mechanical control of insects were done as per normal practice. Tiller counts were taken every month for each plot from March to August, and the tiller mortality was calculated following Miah and Sarkar (1982). Data on millable cane, yield, stalk height and thickness were recorded for each plot at harvest. The recoverable sucrose percentage was determined at harvest according to Horne' Dry Lead Method (Meade 1963).

Source of Information: Bangladesh J. Sugarcane, 11 : 11 -16 July, 1989

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It could be concluded that sugarcane should be transplanted using closer plant spacing (30 cm) for late transplantation at the Old Himalayan Piedmont Plain soil condition

Knowledge Management: Journal