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Effect of Different Source of Nutrients on the Performance, Growth and Quality of Summer Onion

M. G. Azam
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Jessore

M. Islam
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Jessore

M. A. Gulandaz
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Jessore

J. A. Mahmud
On-Farm Research Division, Regional Agricultural Research Station, Bangladesh Agricultural Research Institute,Jessore

Abstract/ Executive Summary:

The field experiments were conducted for one season rabi 2008-09 at the Multilocation testing site Magura on calcareous soil to study the effect of integrated nutrient management on the growth and yield of onion (cv. BARI piaj 2). The experiment was laid out in a RCB design. There were five treatments involving four inorganic levels and organic levels another absolute control (no manure and no NPK). Higher level of inorganic T₁i.e., (120-45-85-40 kg ha^-1 NPK S+ 5 t/ha CD) produced significantly higher bulb yield (18.76 t/ha) which was on par with T4 (17.87 t/ha) i.e., 5 t/ha poultry manure + remaining amount from inorganic fertilizer T₂. The results also indicated that the same treatments recorded the highest single bulb weight, bulb yield as well as gross returns and MBCR (7.14) as compared to other treatments.

Keywords: Growth, Inorganics, Organics, Onion, Yield

Location: The MLT site Magura, Bangladesh

Start Date: 07-04-2008

End Date: 10-06-2009

Program Area: Crop-Soil-Water Management

Commodity: Onion

Objectives:

1. To determine the ideal integrated nutrient management package on growth, yield and quality of onion.

Methodology:

The experiment was carried out in the farmer’s field at the MLT site Magura during 2008-09. Four different treatments with control and six dispersed replications were conducted in 15 plots. T₁ (Recommended from Ph.D work)= (120-45-85-40 kg ha^-1 NPK S+ 5 t/ha CD), T₂ (Recommended from spice research center)= (90-55-75-20 kg ha^-1 NPKS), T₃(IPNS)= 3 t/ha poultry manuare + remaining amount from inorganic fertilizer T₂, T4(IPNS)= 5 t/ha poultry manuare + remaining amount from inorganic fertilizer T₂ and T₅= (00-00-00-00 kg ha^-1NPKS). The unit plot size was 2m x 2m. Fifty days old seedling BARI Piaj-02 was planted on 07 April 2008 maintaining the row spacing 15cm and plant to plant distance 10 cm. Fertilizers were applied as per treatments. Total cowdung /poultry manure, TSP and Gypsum were used at final land preparation. 1/3rd urea and ½ MP were used as 1st top dress on 19 April 2008. 1/3rd urea were used as 2nd top dress on 30 April 2008 and rest 1/3 rd urea and ½ MP were used as 3rd top dress on May 2008. The crop was irrigated thrice April 8, 19 and 27 of 2008 and harvested on 10 June 2008. The data were collected; analyzed statistically and mean separation was done by DMRT. Data were recorded by selecting plants randomly from each treatment plot and average was calculated for the statistical analysis. The parameters under study were plant height (cm), number of leaves per plant, Single Bulb weight (g), No. of bulb/kg, bulb diameter (cm), and total yield per hectare (tones). The mean data were subjected to the Analysis of Variance Technique using the "MSTATC" Computer software package. Duncan's Multiple Range Tests was adopted for comparing their means among the treatments showing significant difference. Here, total variable cost (TVC) estimate through fertilizer price.

Source of Information: J. Environ. Sci. & Natural Resources, 6(1): 159 - 162, 2013; ISSN 1999-7361

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It can be concluded that higher level of inorganics i.e., T₁ (Recommended from Ph.D work)= (120-45-85-40 kg ha^-1 NPK S+ 5 t/ha CD), and higher levels of organics viz.,T4 and T3 recorded higher bulb yield individually. This was reflected in growth parameters like plant height, number of leaves and Single Bulb weight as well as yield parameters. The treatment T1 showed maximum gross return (281400 tk/ha) and lowest was obtained from the treatment T₅(178200 tk/ha).

Knowledge Management: Journal