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Variation of Growth and Yield of Boro Rice Influenced by Transplanting Method and Gypsum Rate in the Salinity Affected Area of Noakhali in Bangladesh

S. M. A. Alim
Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh

M. A. Kader
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. A. Islam
Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh

S. Akram
Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh

M. A. Rouf
Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh

M. S. Rana
Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Bangladesh

Abstract/ Executive Summary:

Field experiment was carried out in Moddhochar Jabbar of Noakhali, Bangladesh during Boro season (December-April) 2018 to investigate the ameliorative effect of application of gypsum and transplanting method on the yield of BRRI dhan28 (V₁) and BINAdhan-10 (V₂) under salinity stress. The experiment comprised 3 factors; Transplanting method, Variety and Gypsum. This variety was evaluated under two transplanting methods i.e., Furrow transplanting (T₁) and Conventional transplanting (T₂) and four levels of gypsum with control G0: control, G₁: 50 kg ha^-1,G₂: 100 kg ha^-1 and G₃: 150 kg ha^-1 . The experiment was laid out in a Latin Square Design (LSD) with three replications. Salinity level had significant negative effect on plant characters and yield of rice. Gypsum (@ 150 kg/ha) exerted positive significant effect on most of the plant parameters except number of non-effective tillers. Furrow transplanting method (T₁) had positive significant effect on most of the plant parameters except panicle length and harvest index. Binadhan-10 shows better performance than BRRI dhan28 in case of yield and all yield contributing characters in the prevailing condition. The highest grain yield (6.63 t ha^- ¹) fo und f r om T₁V₂G₃ (combination of furrow transplanting method, Binadhan-10 and gypsum @ 150 kg/ha) and lowest (4.26 t ha^- ¹) in T₂V₁G₀ (combination of conventional transplanting method, BRRI dhan28 and gypsum @ 0 kg ha^-1). It was calculated that the straw yield highest (8.14 t ha^-1) in T₁V₂G₂ (combination of furrow transplanting method, Binadhan-10 and gypsum @ 100 kg/ha) and lowest (5.61 t ha^-1) in T₂V₁G₀ (combination of conventional transplanting method, BRRI dhan28 and gypsum @ 0 kg/ha).

Keywords: Gypsum, Binadhan-10, Saline soil, Furrow transplanting, Rice

Location: Moddhochar Jabbar of Noakhali, Bangladesh

Start Date: 00-12-2017

End Date: 00-04-2018

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer, Rice, Soil salinity

Objectives:

To find out the effect of gypsum rate and transplanting method on growth and yield of boro rice in saline condition.

Methodology:

The experiment was conducted in the area of Moddhochar Jabbar in Noakhali (22.366°N latitude and 91.125°E longitude) during Boro season 2018 (December’2017 to April’ 2018). The site belongs to the non-calcareous dark grey floodplain soil under the Young Meghna Estuarine Floodplain Agro ecological Zone (AEZ 18) (UNDP and FAO, 1988). The field was a medium high land with well drained silty-loam texture having pH value of 6.5, low in organic matter content (1.67%).The salinity value of initial soil was 6.2 dsm-¹. The experiment was laid out in a Latin square design with three replications, where two transplanting method and four Gypsum application rates were assigned in main Treatment T₁: Furrow transplanting T₂: Conventional transplanting and Gypsum levels were assigned viz. G0: 0 kgha^-1, G1: 50 kg ha^-1, G2: 10 kgha-1 and G3: 150 kg ha^-1. The test rice variety was BRRI dhan 28 (V₁) (as check variety) and Binadhan-10 (V₂). The land was puddled thoroughly by repeated ploughing and cross ploughing with a tractor and subsequently leveled by laddering. At the time of final land preparation, respective unit plots were fertilized with different levels of urea, TSP, MOP and gypsum according to treatments. Urea was applied in three equal splits at 15, 30 and 45 days after transplanting (DAT). Gypsum was applied in 0 kg ha^-1, 50kgha^- ¹, 100 kg ha^-1, 150 kg ha^-1 respectively. Three seedlings were transplanted in each hill with a spacing of 25 cm × 15 cm. Intercultural operations were done as when required. The yield parameters - plant height, panicle length, number of plant hill^-1, and number of grains per panicle and grain and straw yield data were recorded at maturity during rice harvest. The analysis of variance for various crop characters was done following the F- statistics. Mean comparisons of the treatments were made by Duncan Multiple Range Test (DMRT) test.

Source of Information: International Journal of Plant & Soil Science, 2019 - Volume 29 [Issue 4] 1-9.

Article Link (Online Journal): DOI https://doi.org/10.9734/ijpss/2019/v29i430150

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Gypsum combinations of transplanting methods along with two different cultivars have significant effect on growth and yield of rice in saline area of Noakhali district, Bangladesh. Binadhan-10 showed superiority for enhancing the growth and yield. Combination of furrow transplanting method, Binadhan-10 and gypsum @ 150 kg/ha showed the highest performance on plant height (96.44 cm), number of total tiller hill^-1 (14.81), number of effective tiller hill^-1 (13.73), grains panicle^-1 (90.21) , weight of 1000 grain (23.70 g), grain yield (6.63 t ha^-1), straw yield (8.14 t ha^-1), biological yield (14.60 t ha^-1) respectively while combination of conventional transplanting method, BRRI dahn28 and gypsum @ 0 kg ha^-1 showed lowest performance. The farmers of saline affected areas can be economically benefited by following this practice which will also enrich their social and economical condition.

Knowledge Management: Journal