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Effects of Plant Spacing in Transplanted Sugarcane

M.K.Rahman
Sugarcane Research & Training Institute, Ishurdi, Pabna, Bangladesh.

A.H.M.D.Hossain
Sugarcane Research & Training Institute, Ishurdi, Pabna, Bangladesh.

M.J.Alam
Sugarcane Research & Training Institute, Ishurdi, Pabna, Bangladesh.

S.A.lmam
Sugarcane Research & Training Institute, Ishurdi, Pabna, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted at Sugarcane Research & Training Institute (SRTI) farm to determine the effects of plant spacing in transplanted sugarcane. Nine treatment-combinations like 0.405; 0.540; 0.675; 0.810; 0.720; 0.900; 1.080; 1.260 and 1.440 square meter of plant spacing were studied. The plant spacing 0.405 m2 obtained significantly higher number of tillers (24.6/m²), millable cane (12.2/m2 ) as well as cane and sugar yield (20.2 and 1.0 kg/m2 respectively) compared to rest treatments. Although widely spaced sugarcane plants produced higher number of tillers and millable cane per clump but total yield per unit area was found higher in the closely spaced plants. Cane stalk, tillers/m" and sugar yield showed significantly positive correlation with cane yield. Results of the experiment suggest transplanting of sugarcane settlings at 90 cm row to row and 45 cm plant to plant spacing to obtain higher cane and sugar yield.

Keywords: Yield,Plant spacing,Transplanted sugarcane

Location: BSRI

Start Date: 00-00-1987

End Date: 00-00-1990

Program Area: Crop-Soil-Water Management

Commodity: Sugarcane

Objectives:

To investigate yield and yield contributing factors as influenced by plant spacing of transplanted sugarcane.

Methodology:

The experiment was conducted at Sugarcane Research & Training Institute (SRTI) farm during 1987-1990 cropping seasons. The experiment was laid out in randomized complete block design with four replications. Two constant row spacings of 90cm and 120cm and variable plant to plant spacing from 45 to 120cm were studied. There were nine treatment-combinations of plant spacing such as 0.405; 0.540; 0.675; 0.810; 0.720; 0.900; 1.080; 1.260 and 1.440 m2. In the closest spacing (90cm x 45cm). 2.469 settlings were transplanted per m2 while in the widest spacing (120cm x 120cm), 0.694 settlings were accommodated. Settlings per m2 in the rest of the treatments were in between the above two spacings. The experiment was carried out under rainfed condition. The land was flood free high land, and was prepared mechanically. The individual plot size was 10m x 12m. The variety used in the experiment was Isd 16. NPK were applied in commercial form such as Urea, TSP and MP at the rate of 160,53 and 93 kg na' of N, P₂0₅ and K₂0 respectively. All recommended cultural practices were made properly for all the treatments. Sugarcane settlings of 45 days old grown in poly bag were transplanted in main field in mid November. Insect-pests were controlled both mechanically and chemically using Furadan 5G at a rate of 100 kg/ha in three splits.

Source of Information: Bangladesh J. Sugarcane, 16 : 152-158 July, 1994

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The plant spacing 0.405 m² obtained significantly higher number of tillers (24.6/m²⁾, millable cane (12.2/m²) as well as cane and sugar yield (20.2 and 1.0 kg/m² respectively) compared to rest treatments. Although widely spaced sugarcane plants produced higher number of tillers and millable cane per clump but total yield per unit area was found higher in the closely spaced plants. Cane stalk, tillers/m" and sugar yield showed significantly positive correlation with cane yield. Results of the experiment suggest transplanting of sugarcane settlings at 90 cm row to row and 45 cm plant to plant spacing to obtain higher cane and sugar yield.

Knowledge Management: Journal