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Response of Cabbage to Irrigation in Red Brown Terrace Soil

Z. Karim
Bangladesh Agricultural Research Institute, Joydebpur, Dhaka.

M. S. Khan
Bangladesh Agricultural Research Institute, Joydebpur, Dhaka.

Abstract/ Executive Summary:

In a Grey Terrace soil of Bangladesh an yield of 45 t/ha of cabbage was obtained when total 21-96 hectare cm of water was applied at a rate of 1-12 hectare cm water per irrigation at 5 days interval. The yield decreased when the amounts of water per irrigation was decreased and interval of irrigation was increased. Soil moisture level was also affected by amounts of adding water and frequency. Optimum soil moisture level was found to be between 21 to 25 percent. Water requirement figures for the cabbage plant given higher yields were calculated to be between 235 mm to 300 mm.

Keywords: Irrigation, Red brown terrace soil, Cabbage

Location: Central Farm, BARI, Joydebpur

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Cabbage

Objectives:

To find out the optimum irrigation need for cabbage in Red Brown Terrace soil

Methodology:

This experiment was conducted at Central Farm of BARI, Joydebpur. It was a moderately slow permeable Grey Terrace Soil and it contained 40.8 percent clay. This experiment was laid out in randomized block design with three replications. The unit plot size was 1.83m x 1.22m. Cabbage variety K-K cross was used in this trial. The treatments were 1. Amounts of water applicatlon A₁- 1.12 ha.cm/lrrligation, A₂- 0.56 ha.cm/Irrigation, A₃- 0-28 ha.cm/Irrigation. 2. Days interval of adding water D₁- 5, D₂-10, D₃- 15, D₄- 20. Known amount of water was added in the plot by watering can. Soil samples were taken from the plots before and after each irrigation for determining moisture percentage by gravimetric method from 0-30cm depth of soil. Soil moisture depletion method was followed to calculate the water requirement. Yield data reported in the text represent the fresh green weight of the cabbage head.

Source of Information: Bangladesh Horticulture,8(1):01-05,1980

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

In this experiment, the yield decreased when the amounts of water per irrigation was decreased and interval of irrigation was increased. Soil moisture level was also affected by amounts of adding water and frequency. Optimum soil moisture level was found to be between 21 to 25 percent. Water requirement figures for the cabbage plant given higher yields were calculated to be between 235mm to 300mm.

Knowledge Management: Journal