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Effect of Npkszn Fertilization on Sugarcane Calcareous Soils

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

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

Abstract/ Executive Summary:

An experiment was conducted during 1980-81 season in calcareous flood plain soils of Ishurdi to study the effect of Nitrogen, Phosphorus, Potassium, Sulfur and Zinc on the yield of sugarcane. Significant yield increase was recorded with the rates of nitrogen. Yield of cane and sugar was increased when 130 kg P₂0₅/ha was added with 120 kg N/ha, but the results were insignificant. Inclusion of 110 kg K₂0/ha with 120.kg N and 130 kg P₂0₅/ha did not show any positive response. 30 Kg S and 4 kg Zn/ha applications had no significant effect on yield increase. The results showed that nitrogen had a prominent effect on yield in this soils.

Keywords: NPKSZn, Sugarcane, Calcareous soils

Location: Sugarcane Research & Institute (SRTI) farm, Ishurdi

Start Date: 00-11-1980

End Date: 00-01-1982

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer

Objectives:

Bangladesh, no work, has so far been carried out on the requirement of sulphur and zinc for sugarcane. The present investigation was therefore, undertaken to find out the effects of these nutrients on the yield of sugarcane in calcareous soils of Ishurdi.

Methodology:

A field experiment was carried out in the calcareous soils of Sugarcane Research & Institute (SRTI) farm, Ishurdi in 1980-81 cropping season under rainfed. Physical and chemical properties of soils of the experimental field. The experiment was laidout following randomized complete block design with 8 treatments and replicated four times. After final preparation of the land, all P, S, Zn and half of total N and K were applied at boom tillering stage (approximately 150 days after plantation). The plot size was 10m x 7m. Row to row and plot to plot distance was 1.0 m. Variety Isd-2/54 was used in the experiment. The three-eyed setts were placed end to end in the trenches in November, 1980 and harvested in January, 1982. Intercultural operations were done as needed. Proper pest and disease control measures were taken in due time. Data on yield of cane and sugar were recorded. Particle size distribution was determined by hydrometer method; soil pH was measured in soil: Water suspension at 1:2.5 by glass electrode. Total-N was determined by kjeldhal method.

Source of Information: Bangladesh J. Sugarcane, 8:31-35. July, 1986

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The application of P, K and S increased the contents of these elements but did not show any significant increase in the yield of cane and sugar. Therefore, it may be concluded that N application would be essential to obtain economic yield in this soil. It is also concluded that P and Zn helped to increased yield of cane and sugar at a certain level.

Knowledge Management: Journal