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Potassium Management for Yield and Quality of Potato

M. W. Rahman
Scientiftc Officer
BSPC, Debigonj,Panchagarh

M.M. Islam
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur

M.M. Sheikh
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur

Abstract/ Executive Summary:

The experiment was conducted at Breeder Seed Production Centre (BSPC), Debiganj, Panchagarh during the Rabi season of 2012-2013 to study the effect of potassium management for yield and quality of potato. There were six treatments comprising different levels of potassium (K) along with farmers’ practice such as T1 (0 kg K ha^-1), T2 (45 kg K ha^-1), T3 (90 kg K ha^-1), T4 (135 kg K ha^-1), T5 (180 kg K ha^-1) and T6 (188 kg K ha^-1, farmers’ practice). Muriate of potash was used as a source of potassium. Among the treatments, farmer’s practice (188kgha^-1) showed the highest yield (47.5 tha^-1) which was identical to T4 (46.1tha^-1) and T5 (47.3 tha^-1).

Keywords: Potassium, Yield, Quality , Potato

Location: Dabigonj

Start Date: 22-11-2012

End Date: 22-02-2013

Program Area: Crop-Soil-Water Management

Commodity: Potato

Objectives:

To find out optimum doses of potassium for potato production
To find out influence of potassium on the quality of potato.

Methodology:

The experiment was conducted at BSPC, Debiganj, Panchagarh during the Rabi season of 2012-2013 to study the effect of Potassium management for yield and quality of Potato.The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. Variety Asterix was used as planting material. The unit plot size was 4m x 5m with spacing of 60cm x25cm. Fertilizers were used as a soil test basis except MoP. Intercultural operations and other agronomic practices were done as per necessity. Data were taken on plant height (cm), % foliage coverage, number of stem/hill, tuber/hill, weight of tuber/hill, tuber yield of potato and dry matter of potato. The analysis of variance for crop characters were done following the ANOVA test and the mean values were compared by DMRT (p=0.05) (Steel and Torrie, 1960).

Source of Information: TCRC Annual Report-20012-13, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 20,000/=

Total Budget (Tk.) : 20,000/=

Achievement/Findings:

Among the treatments, farmer’s practice (188kgha^-1) showed the highest potato yield (47.5 tha^-1) which was identical to T4 (46.1tha^-1) and T5 (47.3 tha^-1). This is the first year result and need to repeat the experiment to verify the findings of the first year trial.

Knowledge Management: Report/Proceedings