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Effect of Different Irrigation Level on Growth, Yield and Quality of Sugarcane

M.S. Rahman
Bangladesh Sugarcane Research Institute (BSRI), Ishurdi-6620, Pabna

M.A. Hoque
Department of Agronomy and Agricultural Extension, Rajshahi University, Rajshahi

M.A.R. Sarkar
Department of Agronomy, Bangladesh Agricultural University, Mymensingh, Bangladesh

S.U.K. Eusufzai
Bangladesh Sugarcane Research Institute (BSRI), Ishurdi-6620, Pabna

M.S. Islam
Bangladesh Sugarcane Research Institute (BSRI), Ishurdi-6620, Pabna

Abstract/ Executive Summary:

The experiment was conducted at Rajshahi Sugar mills zone, Rajshahi, Bangladesh during the period 2007-2008 to study the different irrigation level on growth, yield and quality of sugarcane. Five irrigation treatments viz., live irrigation at 0 and 14 days after plantation (I₁), I₁+ Irrigation at 21 days interval (I₂), I₁ + Irrigation at 28 days interval (I₃), I₁ + Irrigation at 35 days interval (T₄) and I₁ + Irrigation at 42 days interval (I₅) were used. Significantly highest yield and yield contributing characters were influenced by different level of irrigation. The highest number of tiller, number of millable cane, cane yield were obtained in I₂ (I₁+ Irrigation at 21 days interval) treatment. Significantly highest Brix (%), pol % cane and sugar yield were obtained in I₂ (I₁ + Irrigation at 21 days interval) treatment. The highest benefit cost ratio (BCR) was recorded in I₂ (I₁ + Irrigation at 21 days interval) treatment and lowest BCR was found in I₁ treatment (live irrigation at 0 and 14 days after plantation). The results indicated that I₂ (I₁ + Irrigation at 21 days interval) treatment was superior to any other irrigation treatment level in respect of cane yield, sugar yield and cash income.

Keywords: Sugarcane, Irrigation, Cane yield and BCR

Location: Rajshahi Sugar mills zone, Rajshahi, Bangladesh

Start Date: 00-11-2007

End Date: 00-12-2008

Program Area: Crop-Soil-Water Management

Commodity: Sugarcane

Objectives:

1. To find out the effect of different irrigation levels on growth, yield and quality on sugarcane and to identify economically viable irrigation level compared to conventional method of irrigation.

Methodology:

The experiment was conducted at Rajshahi Sugar Mills Zone, Rajshahi, the year during 2007 to 2008. The experimental site belongs to High Ganges River Flood Plain Soils Agro ecological zone (AEZ -11) of Bangladesh. The experiment was laid out in a Randomized Complete Block Design with three replications. The unit plot size was 8m × 6m. The experimental crop was sugarcane (var. Isd 32), row to row spacing 1m and plant to plant spacing was 45cm. Planting material used in polybag settling. The experiment was set up on January 10, 2007 and harvesting date was January 18, 2008. The treatments were as: I₁: Live irrigation at 0 and 14 days after plantation, I₂: I₁ + Irrigation at 21days interval, I₃: I₁+ Irrigation at 28 days interval, I₄: I₁+ Irrigation at 35 days interval, I₅: I₁+ Irrigation at 42 days interval. Number of irrigation applied: Number of irrigation and the day of application for different treatments during 2007-2008 were recorded. Only two irrigation at 0 and 14 days after transplanting (DAT) were applied in treatment I₁. During 2007-2008, irrigation treatment I₁, I₂, I₃, I₄ and I₅ received 2, 7, 5, 5 and 4 numbers of irrigations respectively. The depth of irrigation was 10cm for each irrigation. The fertilizers Urea, TSP, MOP, Gypsum and ZnSo₄ were applied @ 325, 250, 180, 190 and 9 kg ha^-1, respectively. Full quantity of TSP, Gypsum, ZnSo₄ and one-third of MOP were applied in trench and mixed with soil prior to transplanting of settlings. One-third of urea was applied at 21 days after transplanting (DAT). The second dose of (1/3rd) urea and 1/3rd MOP were applied as first top dressing at 90 DAT. Final top dressing of rest urea and MOP were applied at 150 DAT. To control insect pests, chlorpyrifos (trade name: regent 3 GR) was applied @ 33 kg ha^-1 at the time of planting and carbofuran (trade name: furadan 5G) was applied @ 40 kg ha^-1 in two splits from March to May, 2007. Other intercultural operations like weeding, mulching, gap filling, earthing-up, tying and cross tying were done as per schedule. Collection of data on yield and various yield contributing parameters of cane were done. Tiller population of sugarcane was recorded at 90, 120, 150 and 180 DAT. Millable cane and cane yield were recorded at harvest in the month of January, 2008. Economic and statistical analyses on different parameters of sugarcane were done following the standard procedures. Chemical analysis of sugarcane juice: Chemical analysis of sugarcane juice for Brix (%), pol (%), purity (%) and reducing sugar (%) were done at harvest of sugarcane.

Source of Information: J. Agrofor. Environ. 6 (1): 75-78, 2012; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It can be concluded that the higher cane and sugar yield could be obtained from the I₂ (I₁ + Irrigation at 21 days interval) treatment over any other irrigation treatment level and considering the treatment I₂ farmers will be financially benefited.

Knowledge Management: Journal