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Response of Coriander (coriandrum Sativum L.) Foliage to Different Rates and Methods of Nitrogen Application

M. MONIRUZZAMAN
Senior Scientific Officer
Plant Physiology Section, HRC, Bangladesh Agricultural Research Institute (BARI), Gazipur

M. M. RAHMAN
Professor
Dept. of Horticulture, Bangabandhu Sheikh Muzibur Rahman Agriculture University (BSMRAU), Salna, Gazipur-1706

M. M. HOSSAIN
Professor
Dept. of Horticulture, Bangabandhu Sheikh Muzibur Rahman Agriculture University (BSMRAU), Salna, Gazipur-1706

A. J. M. SIRAJUL KARIM
Professor
Dept. of Soil Science, BSMRAU, Salna, Gazipur

Q. A. KHALIQ
Professor
Dept. of Agronomy, BSMRAU, Salna, Gazipur-1706, Bangladesh.

Abstract/ Executive Summary:

The experiment was conducted at Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur during January 2009 to February 2009 taking two coriander (Coriandrum sativum L.) lines, CS001 and CS003 to determine the nitrogen requirement of coriander foliage crop and to select the best method of nitrogen application for maximizing foliage yield. The experiment was laid out in randomized complete block design with three replications having five nitrogen doses (0, 20, 40, 60, and 80 kg/ha) and four methods of N application (entire N dose as basal, ½ N as basal, and ½ N at 30 days after sowing as top dressing, ½ N as basal and ½ N at 30 DAS as foliar spray and 2/3 N at 20 DAS, 1/3 N at 30 DAS, and 1/3 N at 40 DAS as foliar spray). The nitrogen dose of 80 kg/ha and ½ N as basal and ½ N at 30 days after sowing as top dressing independently gave the maximum plant height, number of leaves/plant, single plant weight, plant weight/m2 , and foliage yield/ha. Nitrogen @ 80 kg/ha applied half as basal and half at 30 DAS as top dress produced maximum foliage yield/ha closely followed by 60 kg and 40 kg N/ha with the same application method. The highest gross margin was recorded from 80 kg N/ha applied half as basal and half at 30 DAS as top dress (Tk. 262.705 thousand/ha) followed by 60 kg N/ha with the same application method (Tk. 259.529 and Tk. 254.342 thousand/ha, respectively) and these two combinations also gave the highest benefit-cost ratio of 6.90.

Keywords: Nitrogen rate, Application method, Foliage production, Coriandrum sativum L.

Location: Farm of the Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur during January 2009 to February 2009

Start Date: 00-01-2009

End Date: 00-02-2009

Program Area: Crop-Soil-Water Management

Commodity: Coriander

Objectives:

To determine the nitrogen requirement of coriander foliage crop.
To find out the best method of nitrogen application for maximizing foliage yield of coriander.

Methodology:

The experiment was conducted at the research farm of the Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur during January 2009 to February 2009. The experiment was conducted taking two previously selected coriander genotypes CS001 and CS003. The soil was clay loam having soil pH of 5.90 contained 1.91% organic matter. The total nitrogen, available phosphorus, exchangeable potassium, and exchangeable calcium were 0.0795%, 30.77 ppm, 0.35 meq/100 g soil, and 5.33 meq/100 g soil. The experiment was laid out in RCB design with three replications having five nitrogen doses viz., 0 (N0), 20 (N1), 40 (N2), 60 (N3), and 80 (N4) kg/ha and four methods of N application viz., entire N dose as basal (M1), ½ N as basal, and ½ N at 30 days after sowing (DAS) as top dressing (M2), ½ N as basal and ½ N at 30 DAS as foliar spray (M3) and1/3 N at 20 DAS, 1/3 N at 30 DAS, and 1/3 N at 40 DAS as foliar spray (M4). The unit plot size was 3m ×1m (3 m2 ). Total sub-plots were 60 for each genotype (CS001 or CS003). The land was fertilized with 5 tons cowdung, 11 kg P, and 25 kg K/ha. The entire amount of cowdung, phosphorus from TSP, and potassium from MoP, and N from urea according to treatment was applied to the soil. The seeds (fruits) were rubbed for separating the two mericarps (seeds) and were soaked in water for 24 hours to enhance germination. Seeds were also treated with Bavistin @ 2g per kg of seeds before sowing. Seeds were sown on 3 January 2009 @ 40 kg/ha seed. The field was kept weed free. One weeding was done once at 25 days after sowing (DAS). Plant thinning was not done. Two irrigations were given at 20 and 30 DAS. To ensure proper germination and crop stand, small amount of water was applied by watering can just after sowing and continued at three-day intervals upto first irrigation. Harvesting of plants was done by cutting just beneath the soil when a few plants were seen to bolt depending upon the genotypes. Relative efficiency of different methods was worked out by polynomial function y = a + b1x1 + b2x2 ............. + bixi after working out response curve (y = a + bx) for each method (Rajput and Singh, 1975). Data were collected from the inner rows of each plot to avoid the border effect. In each unit plot, 10 plants were selected randomly for recording data on different foliage yield contributing characters viz., plant height (cm), leaves/plant (no.), single plant weight (g) for foliage yield. Plants/m² (no.) and plant weight/m² were also recorded. Plot yield was converted to per hectare yield. The gross return, gross margin, and benefit cost ratio (BCR) were calculated on the basis of the market price of coriander and input cost. The data were compiled properly and analyzed statistically by MSTAT Program and mean comparison was done by Duncan’s Multiple Range Test (DMRT) at 5% level of probability.

Source of Information: Bangladesh J. Agril. Res. 39(2): 359-371, June 2014 ISSN 0258-7122

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Based on the results, it could be concluded that coriander should be cultivated with 60 kg N/ha applied one- half as basal and the rest one-half at 30 days after sowing for maximum yield of foliage with the highest economic benefit for the genotypes CS001 and CS003.

Knowledge Management: Journal