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Effect of Nitrogen and Boron on the Yield of Wheat Cv. Kanchan

M.M. Khan
Palli Karma Sahayak Foundation (PKSF), Sher-e-Banglanagar, Dhaka

A.K. Hasan
Department of Agronomy, Bangladesh Agricultural University, Mymensingh

M.H. Rashid
Department of Agronomy, Bangladesh Agricultural University, Mymensingh

F. Ahrned
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh

Abstract/ Executive Summary:

An experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from January to April 2004 to study the effect of different levels of nitrogen and boron on the yield of wheat cv. Kanchan. The treatments included four levels of nitrogen VIZ., 45, 60, 85 and 110 kg N ha-1 and four levels of boron viz., 0, 1, 2 and 3 kg B ha-1. The experiment was laid out in a Randomized Complete Block Design with three replications. The results revealed that Yield and yield contributing characters were influenced significantly by both levels of nitrogen and boron. Among the levels of nitrogen, 110 kg N ha-1 produced the highest grain (5.54 t ha-1) and straw (8.21 t ha -1) yields. The lowest grain (3.23 t ha-1) and straw (5.52 t ha-1) yields were observed with the application of 45 kg N ha-1. The highest grain (4.95 t ha-1) and straw (7.38 t ha 1) yields were produced With 3 kg B ha-1. The minimum grain (3.59 t ha-1) and straw (6.14 t ha-1) yields were found in the control treatment. Highest plant height (103.23cm) and grains spike-1 (62.53) was observed due to interaction of 110 kg N ha-l and 3 kg B ha-1.

Keywords: Nitrogen, Boron, Kanchan variety, Wheat yield

Location: Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh

Start Date: 00-01-2004

End Date: 00-04-2004

Program Area: Crop-Soil-Water Management

Commodity: Wheat, Nitrogen, Boron

Objectives:

Hence, the present experiment was undertaken to study the effect of nitrogen and boron using the cultivar "Kanchan" to find out the effect of rate of nitrogen and boron on the yield and yield components of wheat as well as to determine the optimum rate of nitrogen and boron for better wheat production.

Methodology:

The experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from January to April 2004. The experimental soil belongs to Sonatola series of dark-grey floodplain soil type (AEZ-9). The texture is silt loam having non-calcareous soil with pH 6.7. The soil is low in organic matter content and its general fertility level is also low (UNDP and FAO, 1988). The experiment consisted of the following factors (a) levels of nitrogen viz., 45, 60, 85, 110 kg N ha-1 and (b) levels of boron viz., 0, 1, 2, 3 kg B ha-1. `Kanchan', a wheat variety used as the test crop. The experiment was laid out in a Randomized Complete Block Design with three replications. There were altogether 48 plots each of which measuring 4.0m x 2.5m. Nitrogen and boron were applied through urea and boric acid. The land was fertilized with 80 kg TSP, 60 kg MP, 60 kg gypsum and 10 kg Zn ha-1. Boron, TSP, MP, gypsum, Zn and one-third of urea were applied as basal dose. The rest of nitrogen was top dressed in two equal splits on 20 and 55 days after sowing (DAS). Seeds were sown continuously by hand in 20cm apart rows on 2 January 2004 at the rate of 120 kg ha-1. Weeding and irrigation were done twice before urea application. The crop was harvested at 5 April, 2004 when the crop attained full maturity. Five hills excluding border rows and central 1m2 area were randomly selected and uprooted from each unit plot prior to harvest for recording the data on yield and yield contributing characters. Grains were threshed, cleaned and sun dried and the grain yield p1011 was recorded at 14% moisture content. Straw was also dried at same moisture content to record the straw yield p1011. Data were collected on the yield and yield components and analyzed statistically and mean differences were adjudged by DMRT (Gomez and Gomez, 1984).

Source of Information: J. Bangladesh Agril. Univ. 3(2): 215-220, 2005 ISSN 1810-3030

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Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The highest grain (4.95 t ha-1) and straw (7.38 t ha 1) yields were produced With 3 kg B ha-1. The minimum grain (3.59 t ha-1) and straw (6.14 t ha-1) yields were found in the control treatment. The highest plant height (103.23cm) and grains spike-1 (62.53) was observed due to the interaction of 110 kg N ha-l and 3 kg B ha-1.

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