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Influence of Combined Effect of Sowing Time and Fertilizers Management on Growth and Yield of Gimakalmi (ipomoea Reptans Poir)

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

H. E. M. Khairul Mazed ,
2MS Student,
Department of Horticulture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh.

Md. Ashraful Islam Pulok
2MS Student,
Seed Technology Discipline, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh.

Md. Shah Newaz Chowdhury
MS Student
Seed Technology Discipline, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh.

Farzana Hoque
2MS Student,
Department of Agricultural Botany, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh.

Abstract/ Executive Summary:

The study was conducted in the horticulture of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during the period from March to June 2013 to find out the effect of sowing time and fertilizer management on the growth and yield of Gimakalmi. The experiment consisted of two factors. Factor A: Three levels of sowing time, such as S₁: Sowing on 16 March, S₂: Sowing on 30 March and S₃: Sowing on 15 April; Factor B: Four levels of fertilizer, such as F₀: No fertilizer, F₁: Cowdung: 15 t/ha, F₂: Poultry litter: 7 t/ha and F₃: Inorganic fertilizer (Urea: 200 kg/ha + TSP: 100 kg/ha + MP: 200 kg/ha). The longest (30.77 cm) plant was recorded from S2F3, while the shortest (17.30 cm) plant was recorded from S₂F₀ at 75 DAS during 4th harvest. The highest (84.89 g) fresh weight of leaves per plant was recorded from S₂F₃, while the lowest (59.83 g) fresh weight of leaves per plant was found from S₂F₀ at 75 DAS during the 4th harvest. The highest (11.88%) dry matter content of leaves was recorded from S₂F₃, while the lowest (6.65%) dry matter content of leaves was recorded from S₂F₀ at 75 DAS during the 4th harvest. The highest (18.28 t/ha) yield was recorded from S₂F₃, while the lowest (12.67 t/ha) yield was obtained from S₁F₀ at 75 DAS during the 4th harvest.

Keywords: Gimakolmi, Sowing time, Fertilizer management, Growth and yield.

Location: Farm of Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, Bangladesh during the period from March to June 2013.

Start Date: 00-03-2013

End Date: 00-06-2013

Program Area: Crop-Soil-Water Management

Commodity: Vegetables

Objectives:

The present study was undertaken with the following objective to find out the best combination of sowing time and fertilizer management of Gimakalmi to achieve maximum growth and ensuring higher yield.

Methodology:

The study was carried out in the horticulture farm of Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, Bangladesh during the period from March to June 2013. The location of the experimental site is 230 74/N latitude and 900 35/E longitude an elevation of 8.2 m from the sea level. The experimental site belongs to the Modhupur Tract under AEZ No. 28 and had Shallow red brown terrace soil. The selected plot was medium high land and the soil series was Tejgaon. The experimental site was under the subtropical climate, characterized by three distinct seasons, the monsoon or the rainy season from November to February and the pre-monsoon period or hot season from March to April and the monsoon period from May to October. [13] For the research work, Gima Kalmi BARI-1 seed was used as the planting material. The seed of Gima Kalmi were collected from Siddique Bazar, Dhaka. Seeds were used @ 1.3 kg/ha. The two factors experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. An area 25.0 m × 7.5 m was divided into three equal blocks. There were 36 unit plots altogether in the experiment. The size of the each plot was 1.5 m × 1.0 m. The experiment consisted of two factors. Factor A: Three levels of sowing time, such as S1: Sowing on 16 March, S2: Sowing on 30 March and S3: Sowing on 15 April; Factor B: Four levels of fertilizer, such as F0: No fertilizer, F₁: Cowdung: 15 t/ha, F₂: Poultry litter: 7 t/ha and F₃: Inorganic fertilizer (Urea: 200 kg/ha + TSP: 100 kg/ha + MP: 200 kg/ha). The plot selected for conducting the experiment was opened in the first week of March 2013 with a power tiller, and was kept exposed to the sun for a week, after one week the land was harrowed, ploughed and cross-ploughed several times followed by laddering to obtain a good tilth condition. Direct sowing method was followed in this experiment and seeds were sown on 16 March, 31 March and 15 April and to seeds were sown in each row where plant to plant distance 30 cm and row to row distance 25 cm. The cow dung @ 15 ton/ha, poultry manure @ 7 ton/ha, Urea-TSP-MoP @ 200-100-200 kg/ha was applied this experiment. The entire amounts of MP and TSP were applied during the final preparation of land. Urea was applied in three equal installments at 20, 40 and 60 days after seed sowing of Gimakalmi. The first harvest was done from all plots at 30 days of sowing of Gimakalmi seeds. The border plants were not included at harvest. Ten plants were randomly selected from each unit plot for the collection of data. Data were recorded on plant height (cm), number of leaves per plant, dry matter content of stem, dry matter content of leaves and yield per hectare parameters from the sample plants during the course of experiment. The mean values of all the recorded characters were evaluated and analysis‎ of‎ variance‎ was‎ performed‎ by‎ ‘F’‎ (variance ratio) test. The significance of the difference of means was estimated by Duncan’s‎ Multiple Range Test (DMRT) at 5% level of probability.

Source of Information: International Journal of Research & Review (www.gkpublication.in) Vol.2; Issue: 5; May 2015

Article Link (Online Journal): http://www.gkpublication.in/IJRR_Vol.2_Issue5_May2015/IJRR0046.pdf

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The longest (30.77 cm) plant was recorded from S₂F₃, while the shortest (17.30 cm) plant was recorded from S₂F₀ at 75 DAS during the 4th harvest. The highest (11.88%) dry matter content of leaves was recorded from S₂F₃, while the lowest (6.65%) dry matter content of leaves was recorded from S₂F₀ at 75 DAS during 4th harvest. The highest (2.74 kg/plot) yield was obtained from S₂F₃, while the lowest (1.90 kg/plot) yield was recorded from S₁F₀ at 75 DAS during the 4th harvest. The highest (18.28 t/ha) yield was obtained from S₂F₃, while the lowest (12.67 t/ha) yield was found from S₁F₀ at 75 DAS during the 4th harvest.

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