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Response of Potassium Fertilization on Late Transplanted Wheat

M.G. Moula
Agronomy Division, Regional Agricultural Research Station, Jamalpur-2000.

M.A. Rahman
Agronomy Division, Regional Agricultural Research Station, Jamalpur-2000.

M.M. Rahman
Agronomy Division, Regional Agricultural Research Station, Jamalpur-2000.

S. Begum
Agronomy Division, Regional Agricultural Research Station, Jamalpur-2000.

Abstract/ Executive Summary:

The application of potassium fertilizer has been found to be a determinant in wheat production and in case of late planting it was observed to be crucial. In the context, this study was undertaken, with four levels of potassium, viz., 0, 40, 60 and 80kg/ha along with a combination of NPS 100-60-20kg/ha. In the investigation at the Regional Agricultural Research Station, Jamalpur during the rabi season of 1990-91on ,wheat variety Kanchan was used for late transplanting. The objective was to find out the suitable dose of potassium for late transplanting of wheat. Twenty two days old seedlings of kanchan was used in the trial under RCBD with four replications. None of the characters except grain yield was affected significantly due to treatment variations. The highest grain yield (1.71 t/ha) was recorded when the crop was fertilized with 60kg K/ha which was identical to 40kg K/ha (1.64 t/ha). The highest dose (80kg K/ha) produced significantly lower yield (1.45t/ha), while the lowest Yield (1.27 t/ha) was recorded in plot without potassium.

Keywords: Potassium, Wheat, Late transplanting, Kanchan

Location: Regional Agricultural Research Station, Jamalpur

Start Date: 22-12-1990

End Date: 10-04-1991

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer

Objectives:

1. To study the effect of potassium (K) on the growth and yield wheat

2. To find out the optimum level of potassium fertilizer for late transplanted wheat variety Kanchan.

Methodology:

The experiment was conducted at the Regional Agricultural Research Station, Jamalpur during the rabi season of 1990-91. The experimental field was a irrigated medium high land of loamy flood plain soil having pH 6.8. The experiment consisted of four levels of K-fertilization viz., i) 0, ii) 40, iii) 60, iv) 80 kg K ha. The experiment was replicated four times in a RCBD. The unit plot size was 3m x 3m. A basal fertilizer dose of 100-60-20 kg of N, P₂0₅ and S/ha were used through Urea, TSP and Gypsum, respectively. K₂0 was applied from Muriate of Potash (MP). The entire amount of TSP, MP, Gypsum and half of urea were applied at the time of final land preparation. The rest of urea was top-dressed at the booting stage. Twenty two days old seedlings variety, Kanchan was transplanted in line of 20 cm apart with 3 seedlings/hill at 5-6 cm. distance on December, 22, 1990. All intercultural operations were done as and when necessary. The crop was harvested on April 10, 1991. The data on the yield attributes were collected form 10 randomly selected plant prior to harvest from each plots. The grain yield was recorded plot wise after harvest. The collected data were analysed statistically and the means were separated by LSD tests.

Source of Information: Balgladesh J. Agril. Sci. 25(2): 219-222, July 1998

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The application of 40 kg K₂0/ha was found to be effective for production of late transplanted wheat.

Knowledge Management: Journal