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Growth, Development and Yield of Maize as Affected by Different Irrigation Level

M.M. Alam
Lecturer
Dept. of Agronomy, Shahid Akber Ali Science and Technology College, Thakurgaon, Bangladesh;

M.F. Chowdhury
Professor
Dept. of Agronomy and Agricultural Extension, Rajshahi University, Bangladesh

M.M. Bahadur
Professor
Dept. of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Bangladesh

M.S. Rana
Lecturer
Dept. of Soil Science, Shahid Akber Ali Science and Technology College, Thakurgaon, Bangladesh

K.C. Saha
Lecturer
Dept. of Agricultural Chemistry, Shahid Akber Ali Science and Technology College, Thakurgaon, Bangladesh.

Abstract/ Executive Summary:

The study was conducted in Crop Physiology and Ecology Research Field and Laboratory, Hajee Mohammad Danesh Science and Technology University during the period of November 2014 to July 2015 to investigate the growth, development and yield of maize as affected by different irrigation levels. Three maize varieties (V₁=NK 40, V₂=Hybrid 981 and V₃=BHM 11) and three levels of irrigation (I₀= no irrigation, I₁= 300 mm irrigation in total life span and I₂= 450 mm irrigation in total life span at different days after sowing) were included as experimental treatments which were evaluated in randomized complete block design with three replications. Maize variety NK 40 required the highest duration to attain teaseling, cob initiation, silking, pollen shading and maturity. LAI, LAD, CGR, RGR and NAR were significantly influenced by the maize varieties and irrigation levels. The variety NK 40 with the irrigation treatment (450 mm) gave the highest values of all the growth parameters. The highest yield (5.84 t ha^-1) was found in NK 40 and the lowest yield (5.24 t ha^-1) was obtained from Hybrid 981. Irrigation levels also significantly influenced yield of maize. The highest grain yield (5.95 t ha^-1) was obtained from the plant growing with the irrigation treatment (450 mm) while the lowest yield (4.20 t ha^-1) was found from the control plant (no irrigation). The interaction between the maize variety and irrigation levels was significant on the growth and yield. It is indicated that NK 40 with 450 mm irrigation showed the best performance in respect of growth, development and yield of maize.

Keywords: Irrigation, Growth parameters, Yield, Maize

Location: Research Field and Laboratory in the Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur

Start Date: 00-11-2014

End Date: 00-07-2015

Program Area: Crop-Soil-Water Management

Commodity: Irrigation scheduling, Maize

Objectives:

To know the effect of irrigation on some morpho-physiological and growth parameters of maize.

Methodology:

The experiment was conducted at Research Field and Laboratory in the Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, during the period of November, 2014 to July, 2015 to study the growth, development and yield of maize as affected by irrigation level. The experimental site was a medium high land belonging to the non-calcareous dark gray floodplain soil under the Agro-ecological zone-1 (AEZ-1) named Old Himalayan Piedmont Plain (FAO 2005). The experiment comprised of two sets of factors i.e. Factor A: Three maize varieties viz. V₁ =NK4O, V₂ = Hybrid 981 and V₃=BHM 11 and Factor B: Three irrigation level viz. I₀ = control, I₁ = 300 mm in total life span and I₂ = 450 mm in total life span. The experiment was laid out in a randomized complete block design (RCBD) with three replications. There were 9 treatment combinations. The space between blocks and between unit plots was 1.0 m and 0.5 m, respectively. The unit plot size was 3.0 m x 3.0 m. The selected land was prepared through ploughing and cross ploughing and fertilized with urea, triple super phosphate (TSP), muriate of potash (MOP), gypsum, zinc sulphate and boron as per recommendation. The seeds of all varieties were sown in rows as per treatment on 12 November 2014. During the growing period, the experimental land was irrigated three times first at 30 DAS, the second at 55 DAS and the third at 80 DAS with the help of a bucket. At the time of irrigation sufficient care was taken to avoid the flow of irrigation water from one plot to another. To study the ontogenetic growth characteristics a total nine harvests including final harvest were made. Data were collected on some phonological, morpho-physiological and growth parameters and yield. The first crop sampling was done at 30 DAS and continued with 15 days interval up to 150 DAS. From each plot three plants were randomly selected and uprooted to collect necessary parameters at every harvest. Growth analyses such as leaf area index (LAI), crop growth rate (CGR), leaf area duration (LAD), relative growth rate (RGR) and net assimilation rate (NAR) were furnished following the formula of Radford (1967) and Hunt (1978). Finally, the collected data was analyzed by using the “Analysis of variance” (ANOVA) technique with the help of a computer package (MSTAT-C) program (Gomez and Gomez, 1984).

Source of Information: Int. J. Sustain. Crop Prod. 12 (3):13-21 (November 2017)

Article Link (Online Journal): http://ggfjournals.com/e-journals archive

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

From the above discussion it could be concluded that the higher morpho-physiological characteristics and grain yield per plant of maize could be obtained from maize var. NK 40 with 450 mm irrigation in total life span.

Knowledge Management: Journal