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Effect of Different Sources of Irrigation Water on Nutrient Content and Uptake in Maize in Saline Region of Satkhira (2018-19)

S. MONDAL
Soil Science Division, BARI, Gazipur Bangladesh

O. A. FAKIR
Soil Science Division, BARI, Gazipur Bangladesh

N. C. SHIL
Soil Science Division, BARI, Gazipur Bangladesh

M. A. RAHMAN
Soil Science Division, BARI, Gazipur Bangladesh

Abstract/ Executive Summary:

Surface water of saline region is enriched with salinity. For successful production of maize in saline region, large quantity of irrigation water is needed. An experiment was conducted at the Agricultural Research Station (ARS), BARI, Benarpota, Satkhira during the rabi season of 2017-2018 to know the effect of different sources of irrigation water on nutrient content and uptake in maize. There were 4 treatments viz. T₁ = Surface water, T₂ = Underground water, T₃ = River water and T₄ = Underground water and river water (1:1). The highest grain yield was (10.42 t/ha) recorded in T2 and lowest was (8.01t/ha) in T4. Highest level of BCR (2.20) was recorded in T2. Soil salinity in different treatment plots of T₁, T₂, T₃ and T₄ ranges from 3.26-10.55 and 3.22-7.12, 3.31-11.55 and 3.25-10.55 dS/m, respectively.

Keywords: Irrigation water, Maize, Salinity, Saline region

Location: ARS, BARI, Benarpota, Satkhira

Start Date: 00-00-2017

End Date: 00-00-2018

Program Area: Crop-Soil-Water Management

Commodity: Maize, Irrigation scheduling

Objectives:

To know the effect of different sources of irrigation water on nutrient content and uptake in maize.

Methodology:

Experimental site and design: The experiment was conducted at the Agricultural Research Station (ARS), BARI, Benarpota, Satkhira during the rabi season of 2017-2018 to know the effect of different sources of irrigation water on nutrient content and uptake in maize. The soil belonged to the AEZ-11 and AEZ-13. The land topography was medium low. The soil of the experimental field is loam in texture with pH 7.28. There were four treatments viz. T₁ = Surface water (1.32- 4.6 dS/m), T₂ = Underground water (1.12-3.08 dS m^-1), T₃ = River water (3.10-19.7 dS m^-1), T₄ = Underground water and river water (1:1) (2.25-8.6 dS m^-1). The experiment was laid out in RCB design with 4 replications. At every 15 days interval soil and water salinity (dS m^-1) was measured by EC meter (HANNA: HI 9835). Data on yield and yield components were recorded and analyzed statistically using MSTAT-C program. Seed sowing and crop management: The crop variety was BARI Hybrid Maize-9. The plot size was 3m × 3.6m with row to row spacing 75cm & plant to plant 25 cm. Seeds were sown in 11 December 2016. The fertilizer dose was 250, 120, 120, 40, 5 and 1 kg ha^-1 of N, P₂O₅, K₂O, S, Zn, B, respectively. One third of Urea as basal dose and rest of Urea in two equal splits at knee height stage (after one month emergence-1st top dress) and before flowering (2^nd top dress) were applied. All the intercultural operations were done when necessary. Disease and insect pests were always well controlled using suggested applies (BARI, 2014). The crop was harvested at the time of maturity.

Source of Information: Annual Report 2018-2019

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In coastal saline areas, maize should be irrigated with underground water for maximum yield (10.42 t/ha). Use of surface pond water as irrigation purpose would be better technique for maize production in saline coastal areas.

Knowledge Management: Report/Proceedings