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Dissemination of Water Saving Technologies for Non-rice Crops in Saline Prone Areas of Bangladesh (2019-2020)

M. A. Hossain
CSO and Head
IWM Division, BARI, Gazipur

S. K. Biswas
SSO
IWM Division, BARI, Gazipur

D. K. Roy
SSO
IWM Division, BARI, Gazipur

K. F. I. Murad
SO
IWM Division, BARI, Gazipur

S. S. A. Kamar
SO
IWM Division, BARI, Gazipur

Abstract/ Executive Summary:

The experiment was conducted at three upazila under three districts of the southern saline prone areas of Bangladesh. Twelve demonstrations were conducted at the selected areas. Two water saving irrigation technologies (AFI and drip irrigation) were compared with the traditional farmer practice. Alternet furrow irrigation (AFI) was used for maize and sunflower cultivation and drip irrigation system was used for tomato and watermelon cultivation. Solar power was also used for mitigating the pumping cost in drip irrigation system. The plant population, plant height, cob length, number of seeds per cob, 100 seed weight and yield of maize were found highest (7.50, 255.45 cm, 19.95 cm, 474.30, 25.63 gm and 9.01 t/ha) at treatment T1 compared with farmer practice (T2). Also, the plant population, plant height, head diameter, number of seeds per head, 1000 seed weight and yield of sunflower were found comparatively high (7.00, 143.57 cm, 59.47 cm, 464.67, 88 gm and 1.99 t/ha) at treatment T1. Statistically significant yield difference was observed among the treatments (T1 and T2) for watermelon and tomato cultivation under solar powered drip irrigation system. Alternet furrow irrigation and drip irrigation treatments gave highest BCR for all crops. The farmers were benefited and interested to use these water saving technologies.

Keywords: Irrigation, Crop production, Crop-water productivity, Reduce irrigation, Water use, Saline areas

Location: Southern districts named Patuakhali, Borguna and khulna, Bangladesh

Start Date: 00-00-2019

End Date: 00-00-2020

Program Area: Crop-Soil-Water Management

Commodity: Water salinity, Water management

Objectives:

To harvest the benefits of water irrigation while minimizing the risk of its use for crop production and to increase the crop-water productivity and reduce irrigation water use in saline areas of Bangladesh.

Methodology:

The experiments were conducted at different locations of Southern districts named Patuakhali, Borguna and khulna. In Patuakhali distric there were 6 AFI experiments and 3 drip irrigation experiments. At Borguna district there were one drip irrigation experiments and in khulna district there were drip irrigation experiments. Location wise crop, sowing/planting and harvesting dates along with the treatments. The Brinjal experiment of Amtali site was damaged due to Amphan. The fertilizers were applied as per BARI recommended dose. The following data were collected from the selected plant samples from each plot.

? Plant population

? Plant height/ Vine length (cm)

? Cob per plant/ Number of fruit per plant

? Individual fruit weight (gm)

? Cob length/fruit length (cm)

? Fruit diameter (cm)

? Number of seeds per cob/ Number of seeds per head

? 1000 seed weight/100 seed weight (gm)

? Plot yield (t/ha)

? Salinity data (ds/m).

Solar Irrigation System In this project IWM division used solar powered drip irrigation system. Solar power is free of cost. The installation cost was little higher but it was less than a LLP installation cost. Farmers can use this portable solar panel for charging their home system. At the coastal region solar powered home system is available at every house. So farmers can use this portable solar panel for multiple purposes.

Source of Information: Annual Research Report 2019-2020, Irrigation and Water Management Division, BARI, Joydebpur, Gazipur

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The experiments were conducted through Small Holder Agricultural Competitiveness Project (SACP) jointly funded by IFAD and GoB. The project sites were at the coastal region of Bangladesh. There were three upazila (Koyra, Amtali and Kalapara) under three districts (Khulna, Borguna and Patuakhali). Two water saving irrigation technologies (Alternet Farrow Irrigation and Solar Powered Drip Irrigation) were demonstrated at the farmers’ field. The farmers were benefited and interested to use these types of water saving technologies. Farrow Irrigation and Solar Powered Drip Irrigation has given better result than farmer practice and the BCR of those water saving technologies were remain high than the existing farmer practice. As we know that the southern districts of Bangladesh is suffering shortage of water and also fresh irrigation water at the Rabi season to grow winter crops. So, we need to disseminate these water saving irrigation technologies as much as possible.

Knowledge Management: Report/Proceedings