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Effect of Nitrogenous Fertilizer on Yield of Mungbean [vigna Radiata (l.) Wilczek] in Patuakhali District of Bangladesh

Md. Mosarref Hossen
Department of Agronomy, Faculty of Agriculture, Patuakhali Science and Technology University, Dumki, Patuakhali-8602, Bangladesh

A.S.M. Iqbal Hussain
Department of Agronomy, Faculty of Agriculture, Patuakhali Science and Technology University, Dumki, Patuakhali-8602, Bangladesh

Md. Rakibul Islam
Department of Agricultural Extension, Faculty of Agriculture, Patuakhali Science and Technology University, Dumki, Patuakhali-8602, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at the research field of the Horticulture Research Center at Labukhali, Patuakhali during the period from January to March 2014 to find out the most suitable BARI mungbean variety and optimum rates of N concerning higher seed yield under the regional condition of Patuakhali (AEZ–13). Two BARI mungbean varieties namely BARI mung–5 (V₁) and BARI mung–6 (V₂) and five levels of N fertilizer including control viz. 0 kg N ha^–1 (N0), 30 kg N ha^–1 (N₃₀), 45 kg N ha^–1 (N₄₅), 60 kg N ha^–1 (N₆₀), and 75 kg N ha^–1 (N₇₅) were used for the present study as level factor A and B, respectively. In case of variety, BARI mung–6 produced significantly longest pod (7.56 cm), maximum pods (9.14) plant^–1, maximum seeds (9.14) pod^–1, higher weight of 100–seed (4.48 g), highest seed weight (4.33 g plant^–1) and highest seed yield (1.56 t ha^–1) than BARI mung–5 at harvest. In case of N fertilizer, longest pod (7.96 cm), maximum pods plant^–1 (10.45), maximum seeds pod^–1 (9.70), higher weight of 100–seed (4.52 g), higher weight of seed (5.73 g plant^–1) and greater seed yield (1.85 t ha^–1) were also obtained in 45 kg N ha^–1 compare other N levels. The BARI mung–6 × 45 kg N ha^–1 for seed yield was found under the regional condition of Patuakhali (AEZ-13).

Keywords: BARIMung–6; Yield; Nitrogenous fertilizer

Location: The research field of Horticulture Research Center at Labukhali, Patuakhali

Start Date: 00-01-2014

End Date: 00-03-2014

Program Area: Crop-Soil-Water Management

Commodity: Mungbean

Objectives:

Objective of the study was to maximize the seed yield of mungbean with optimum nitrogen dose under the regional condition of Patuakhali (AEZ–13).

Methodology:

A field experiment was conducted at the research field of Horticulture Research Center at Labukhali, Patuakhali during the period from January to March 2014 (during Rabi season) to study the growth, development, yield and yield attributing of two BARI mungbean (Vigna radiate L.) varieties as influenced by five different rates of mineral nitrogen under the regional condition of Patuakhali (AEZ–13). Geographically, the research farm is located at 22^o37' N latitude and 89^o10' E longitudes. The maximum area is covered by Gangetic Tidal Flood plains and falls under Agroecological Zone “AEZ– 13”. Soil characteristics of the experimental area are silty loams having pH value of 6.5. The study consists of two sets of treatments; the first set comprised of two BARI mungbean varieties and the second set consisted of nitrogen doses. Two BARI mungbean varieties were used for this experiment as level factor A. The seeds of both varieties were collected from the BADC, Jessore on 2 January, 2014. The experiment was undertaken to study the effects of five different levels of mineral nitrogen including control as level factor B on the growth and yield of mungbean. These five treatments were as follows: Factor A: V₁ : BARI mung–5, V₂ : BARI mung–5. Factor B: Five levels of nitrogen fertilizer including control viz. 0 kg N ha^–1 (N0), 30 kg N ha^–1 (N₃₀), 45 kg N ha^–1 (N₄₅), 60 kg N ha^–1 (N₆₀), and 75 kg N ha^–1 (N₇₅). The experiment consisted of two mungbean varieties and five different rate of nitrogen and was laid out in a randomized complete block design with three replications. The size of unit plot was 2.5 × 2.0 m²where block to block and plot to plot distance were 1.0 and 0.5 m, respectively. Row to row and seed to seed distance were also 25 and 10 cm, respectively. The seed of mungbean were sown in the research field on January 27, 2014. Seed were sown in rows by hand plough. The distances between row to row and seed to seed were 25 and 10 cm, respectively. Mature 2 seeds were placed in each point at 2–3 cm depth from the soil surface. The other activity with this research include manuring and fertilizing, intercultural operations, thinning out, weeding, irrigation and drainage, disease and pest management etc. The crop was harvested with hand on different dates based on sowing time (27–29 March, 2014) at full maturity of the crop when the color of leaf turned yellow and dropped off. The harvested crop of each plot was bundled separately and tagged properly. The bundles were dried in sunshine for 3–4 days and brought to a clean floor. Seeds and other plant parts were separated for collecting the data. The crop sampling was done at harvest. Harvesting of the mungbean was done after 66 days of sowing. Yield data were collected after harvest. The data of following parameters were collected. From the study area was used to collect Pod length, Number of pods plant^–1, Number of seed pod^–1, 100–grains weight, Seed weight, Seed yield. After harvesting, the grains were removed from the separated pods and then dried in sun for 2–3 days. Finally, grain weights were taken on individual plot basis at moisture content of 12% and then converted into t ha^–1. Data recorded for yield and yield contributing characters and seed quality characters were compiled and tabulated in proper form for statistical analysis. Analysis of variance was done following the split plot design with the help of MSTAT–C computer package program. The mean differences among the treatments were evaluated with LSD test.

Source of Information: Asian J. Med. Biol. Res., 1 (3), 508-517; 2015

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

BARI Mung–6 showed appreciative advantage concerning yield and yield attributes than BARI mung–5. Similarly, yield and yield attributing had highly significant in 45 kg ha^–1than control and over other all treatments.

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