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Effect of Liming on the Yield of Different Vegetables Grown in Acidic Soil of Sylhet

Chief Scientific Officer & Head, OFRD and Relevant Scientists of OFRD

Abstract/ Executive Summary:

A field experiment was carried out in 2013-15 at the farmer’s field having acidic clay loam soil at farming system research and development (FSRD) site, Jalalpur and multilocation (MLT) sites, Moulvibazar and Zokigonj. Two factors experiments viz. A) Fertilizer management, M₁: Soil test based (STB) fertilizer recommendation and M₂: Farmers’ practice (FP) and B) Level of limes viz. L₁: 0 t ha^-1, L₂: 1 t ha^-1 and L₃: 2 t ha^-1 were considered as treatments. These were tested on four vegetable crops viz. potato, cabbage, cauliflower and tomato. Trials were laid out in split plot design with six dispersed replication, where fertilizer management was allotted to main plot and level of limes were distributed in the subplots. Results showed that yields of potato, cabbage, cauliflower, and tomato were varied significantly with treatments and locations. The mean yields of potato, cabbage, cauliflower, and tomato (18.45, 63.79, 49.94 and 57.40 t ha^-1, respectively) were recorded higher in STB fertilizer management than FP. Application of lime @ 1 t ha^-1 (L₂) was significantly influenced the yields of all vegetables. The highest mean yields of potato, cabbage, cauliflower, and tomato were recorded in L₂ treatment (19.18, 65.17, 49.23 and 60.29 t ha^-1, respectively) that was followed by L₃. Combined effect of fertilizer management and level of liming showed that the treatment combination M₁L₂ produced the highest mean yields of potato, cabbage, cauliflower, and tomato 20.09, 69.10, 54.24 and 62.87 t ha^-1, respectively. Application of lime might have raised the pH of the acidic soils towards neutral and made nitrogen and phosphorus more available to plants that helped increase the yield of crops. Higher gross return and gross margin was also obtained from the combined effect of STB fertilizer management and soil amendment with lime 1 tha^-1 (M₁L₂).

Keywords: Vegetables, Lime, Management options, yield, Acidic soils , AEZ 20

Location: Jalalpur, Moulvibazar and Zokigonj

Start Date: 00-00-2013

End Date: 00-00-2015

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer, Cabbage, Cauliflower, Tomato, Potato

Objectives:

To find out the suitable level of lime and fertilizer management options for optimum yield of cabbage, cauliflower tomato and potato in acidic soils of Sylhet

Methodology:

Field experiments were carried out in 2013-15 at the farmer’s field on an area with acidic clay loam soil at farming system research and development (FSRD) site, Jalalpur and multilocation testing (MLT) sites, Moulvibazar and Zokigonj. Two factors experiments viz. A) Fertilizer management, M₁: Soil test based (STB) fertilizer recommendation and M₂: Farmers practice (FP) and B) Level of limes viz. L₁: 0 t ha^-1, L₂: 1 t ha^-1 and L₃: 2 t ha^-1 were considered as treatments. These were tested on four vegetable crops viz. potato, cabbage, cauliflower and tomato. Trials were laid out in split plot design with six dispersed replications where fertilizer managements were allotted to main plot and level of limes were distributed in the subplots. Top soil (0-15 cm depth) was sampled in the experimental plots at all three locations before applying lime and after the cultivated vegetable crops was harvested. Intercultural operation and crop protection measures were taken as per requirement during the conduction of experiment. The amendments of different levels of lime were applied on 3-5 November and were incorporated into the soil by ploughing. Data on yield of potato, cabbage, cauliflower and tomato and farmers opinion were recorded. The collected data were analyzed statistically and means were separated by least significant difference (LSD) test at 5% level of significance. Cost benefit analysis ware done based on the market price of the inputs and outputs.

Source of Information: Annual Research Report 2014-2015, On- Farm Research Division, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering the agro-c-economic performance, M₁L₂ (soil test based fertilizer management and soil amendment with 1 t ha^-1 of lime) may be used for growing vegetable crops in strongly acidic soil of Sylhet.

Knowledge Management: Report/Proceedings