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Yield and Economic Analysis of Tomato (lycopersicon Esculentum Mill.) as Influenced by Potassium and Stem Pruning

H. E. M. Khairul Mazed
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

Md. Hasanuzzaman Akand
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

Md. Nazmul Haque
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

Md. Ashraful Islam Pulok
Seed Technology Discipline, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Subrato Gope Partho
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

Abstract/ Executive Summary:

The experiment was conducted in the farm of Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh during October 2012 to March 2013 to determine the effect of potassium and stem pruning on yield and economic analysis of tomato. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. The experiment consisted of two factors: Factor A: K₀=0 kg K₂O/ha, K₁=150 kg K₂O/ha, K₂=160 kg K₂O/ha and K₃=170 kg K₂O/ha; Factor B: P₀=No pruning; P₁=One stem pruning; P₂=Two stem pruning and P₃=Three stem pruning. In case of potassium, K₃ produced the highest yield (65.96 t ha^-1) and lowest yield (43.83 t ha^-1) was from K₀. For pruning, P3 produced the highest yield (66.86 t ha^-1) and lowest yield (52.32 t ha^-1) was obtained from P₁. For combined effect, K₃P₃ produced the highest yield (74.77 t ha^-1) while the minimum yield (32.62 t ha-1) was found from K₀P₀. The highest benefit cost ratio (3.72) was recorded from K₃P₃ and the lowest (1.17) was recorded from K₀P₀. It may be concluded that 170 kg K₂O ha^-1 with three stem pruning was found suitable for growth and yield of tomato.

Keywords: Tomato, potassium, pruning, yield and economic analysis

Location: Experimental farm of Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh

Start Date: 01-10-2012

End Date: 31-03-2013

Program Area: Crop-Soil-Water Management

Commodity: Tomato

Objectives:

To determine the effect of potassium and stem pruning on yield and economic analysis of tomato.

Methodology:

The experiment was conducted in the experimental farm of Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh during the period from October 2012 to March 2013. The location of the experimental site was at 23.75‘N latitude and 90⁰34‘E longitude with an elevation of 8.45 meter from sea level. Soil of the study site was silty clay loam in texture. The area represents the Agro-Ecological Zone of Madhupur tract (AEZ-28) with P^H 5.8-6.5, ECE-25.28. The tomato variety used in the experiments was "Ratan". This is a high yielding indeterminate type and the seeds were collected from the Horticulture Research Centre, Bangladesh Agricultural Research Institute (BARI) at Joydebpur, Gazipur. Tomato seedlings were raised in five seedbeds of 3 m x 1m size. The experiment consisted of two factors as follows: factor A: K₀ = Control treatment (No fertilizer), K₁ =150 kg K₂0 ha^-1 (250 kg MP ha-1), K₂ =160 kg K₂0 ha^-1) (266 kg MP ha^-1) and K₃ =170 kg K₂0 ha^-1 (284 kg MP ha^-1) and factor B: P₀=No pruning, P₁=One stem pruning, P₂=Two stem pruning and P3 =Three stem pruning. The experiment was laid out in Randomized Complete Block Design (RCBD) having two factors with three replications. There were 48 unit plots in the experiment. The size of each plot was 3.2 m x 2 m. The soil was well prepared and good tilth was ensured for commercial crop production. Urea, triple super phosphate (TSP) and Muriate of potash (MoP) were applied as the source of nitrogen, phosphorus and potassium respectively as per treatment in each plot. Potassium was applied as per treatment and Urea and TSP was applied at the rate of 550 kg ha^-1 and 450 kg ha^-1. The quantity of manure, cow dung was also determined as recommended at the rate of 10 t ha^-1. Healthy and uniform 30 days old seedlings were uprooted separately from the seed bed and maintaining a spacing of 50 cm x 40 cm between the rows and plants respectively. This allowed an accommodation of 32 plants in each plot. Fruits were harvested at 3 days intervals during early ripe stage when they attained slightly red color. Ten plants were selected randomly from each plot for data collection in such a way that the border effect could be avoided for the highest precision. The cost of production was analyzed in order to find out the most economic treatment of potassium and pruning. All input cost included the cost for lease of land and interests on running capital in computing the cost of production. The interests were calculated @ 13% in simple interest rate. The market price of tomato was considered for estimating the cost and return. The benefit cost ratio (BCR) was calculated The collected data were analyzed with the help of MSTAT-C program and mean values of all the parameters were adjusted by Duncan’s Multiple Range Test (DMRT) at 5% level of probability.

Source of Information: International Journal of Scientific and Research Publications, Volume 5, Issue 1, (2015)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It may conclude that the treatment combination of 170 kg K₂O ha^-1 and three stem pruning performed the highest (74.77 t ha^-1) yield as well as the highest (3.72) benefit cost ratio. So, considering in all respects 170 kg K₂O per ha and three stem pruning may be allowed for higher yield of tomato.

Knowledge Management: Journal