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Effect of Prilled Urea, Urea and Npk Briquettes on the Yield of Bitter Gourd in Two Upazillas of Jessore District

H. Akter
Department of Horticulture, Bangladesh Agricultural University, Mymensingh-2202

A. A. Mahmud
Department of Soil Science,Bangladesh Agricultural University, Mymensingh-2202

A. Huda
Department of Soil Science,Sylhet Agricultural University, Sylhet-3100

S. K. Tarafder
Department of Agricultural Extension, Jessore.

Abstract/ Executive Summary:

An experiment was conducted to evaluate the performance of deep placement of urea and NPK briquettes compared to broadcast application of prilled urea for bitter gourd production during the Kharif-1 season of 2013. The experiments were conducted in two locations in Jessore district, Chowgacha and Jessore sadar. Seven treatments were designed to evaluate crops response: T₁: Control, T₂: Farmer’s practice, T₃: Recommended doses of all fertilizers except N, T₄: Recommended doses of all fertilizers, T₅: Urea briquette + other fertilizers, T₆: NPK briquette + other fertilizers and T₇: NPK briquette + other fertilizers except cowdung. The rate of urea and NPK briquette was 10 percent less than the rate of recommended prilled urea. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. The sizes of NPK and urea briquette were 3.4 g and 2.7 g, respectively. The recommended fertilizer doses were used to supply N, P, K, S, Zn and B from Urea, TSP, MoP, gypsum, zinc sulphate (hepta) and boric acid, respectively. The results showed that deep placement of NPK briquette gave significantly the highest yield of bitter gourd (32.16 tha^-1) followed by urea briquette (30.45 tha^-1) which were 12.34 and 7.41 percent higher over recommended doses of all fertilizers. The highest N recovery (77.4 %) was found when 72 kg N ha^-1 was applied as NPK briquette.

Keywords: Bitter gourd, NPK, UDP, Yield

Location: Jessore sadar and Chowgacha upazilas, Jessore district, Bangladesh.

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Bitter gourd

Objectives:

To evaluate the effect of prilled urea, urea and NPK briquette on the yield of bitter gourd and to find out a suitable technology for better production of bitter gourd.

Methodology:

Field experiments were carried out on Jessore sadar and Chowgacha upazilas to evaluate the effectiveness of fertilizer deep placement as UDP or NPK briquette on bitter gourd during the Kharif- 1 season of 2013. Soil of this region is generally calcareous in nature, soil pH of the experimental site is 7.5, soil fertility level is low (% organic matter 1.5 and % N was 0.088) although CEC (cation-exchange capacity) is medium and K bearing minerals are medium to high but Zn and B status are low. Considering these, seven treatments were designed to evaluate crops response to the broadcast incorporation of N, P and K deep placement of urea briquette and NPK briquette and the farmers’ practice. The treatments were selected on the basis of soil test based fertilizer recommended following FRG 2005. Different chemical fertilizers (prilled urea, TSP and MOP), commercially produced urea and NPK briquette were used to provide different nutrient combinations. Treatment wise other fertilizers (S, Zn and B containing fertilizers) and full amount of well decomposed cow dung were applied and mixed with soil thoroughly at the time of final ploughing. Phosphorus and potash containing fertilizers were used as basal except in the T₆ and T⁷ treatments. After 10 days of transplanting, NPK briquettes (for T₆ and T₇) and urea briquettes (for T₅) for each plant were applied in ring method. Urea and NPK briquette were applied 9-10 cm apart from the base of the plant and 7-8 cm deep. Subsequently fertilizers were covered by soils perfectly. In treatment T₂ and T₄, N was applied in two equal installments at 10 and 30 days after germination. The collected data were analyzed statistically by F- test to examine the treatment effects and the mean differences were adjusted by Duncan’s New Multiple Range Test (DMRT).

Source of Information: J. Environ. Sci. & Natural Resources, 8(1): 157-160, 2015; ISSN 1999-7361.

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The deep placement of urea briquette and NPK briquette resulted in higher vegetable yields compared to PU. Greater benefits were accrued with the integrated use of manures and deep placement of briquettes. Therefore, the use of NPK briquette with cowdung could be recommended for bitter gourd production during Kharif-1 season in Bangladesh with some further field trials.

Knowledge Management: Journal