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Effects of N, P, K and S Application on Yield and Quality of White Jute (corchorus Capsularis L.) Var. Bjc-2197

SAYMA KHANOM
Department of Soil, Water and Environment, University of Dhaka,Dhaka-1000, Bangladesh

SONIA HOSSAIN
Department of Soil, Water and Environment, University of Dhaka,Dhaka-1000, Bangladesh

SHAHID AKHTAR HOSSAIN
Department of Soil, Water and Environment, University of Dhaka,Dhaka-1000, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted at Bangladesh Jute Research Institute (BJRI) to observe the response of N, P, K and S on a pre?released white jute (Corchorus capsularis) var. BJC?2197. The experiment was carried out by applying N, P, K, S fertilizers in ten combinations including control. From the experiment it was observed that all the treatments had significant positive effect over control on growth, yield and quality parameters. The highest fiber yield (3.21 t/ha) and stick yield (6.58 t/ha) were recorded with N₉₀P₅K₃₀S₁₀ kg/ha treatment. However, the best quality fiber was found with combination of N₉₀P₁₅K₃₀S₁₀ kg/ha treatment. From the economic analysis point of view, it was found that combination of N₉₀P₅K₃₀S₁₀ kg/ha was higher (2.30) than N₉₀P₁₅K₃₀S₁₀ kg/ha (2.04). So the former can be considered as the best combination for var. BJC?2197 in terms of BCR, yield and quality.

Keywords: Jute (C. capsularis), var. BJC-2197, Fertilizer requirements, Fiber yield, Fiber quality

Location: Bangladesh Jute Research Institute (BJRI)

Start Date: 29-03-2007

End Date: 00-07-2007

Program Area: Crop-Soil-Water Management

Commodity: Jute

Objectives:

1. To observe the effects of N, P, K and S fertilizers on the growth, yield and quality of the pre?released jute variety, BJC?2197 and to find out the optimum requirement of all of these nutrients to achieve the maximum yield potential of this new jute variety.

Methodology:

The experiment was set up at the Jute Agricultural Experimental Station (JAES) of BJRI, Jagir, under Sadar Upazila of Manikganj district. Initial soil analysis showed that the experimental field soil contains 0.09% total nitrogen with 15.67 C : N ratio, 19.75 ppm of available P, 68 ppm of available K and 18 ppm of available S. The experiment was laid out in randomized complete block design (RCBD) with three replications. A total 10 treatment combinations along with a control were distributed randomly in each plot as one replication. The dimension of unit plots was 3 m × 3 m having 1 m space between the plots, blocks and around the field. There was 20 cm deep drain around each block and plot. Each replication was divided into 10 unit plots and the total land required of 13 m × 41 m. At the beginning of the experiment, the land was well prepared and fertilizers were applied as per treatment. Required amounts of N, P, K, S fertilizers were applied in the form of urea, TSP, MoP and gypsum. Urea was applied in two splits: two?third (2/3) amount was applied at sowing and the rest one third (1/3) was top dressed at 45 DAS (days after sowing) while all other fertilizers were applied at the time of sowing. Jute seeds were broadcasted at the rate of 8 kg/ha on 29 March, 2007. All cultural operations were done as and when necessary. The crop was harvested on the first week of July, 2007 when 80% of the plants showed the sign of maturity. After shedding of leaves, the bundles were steeped plot?wise in pond water for 15?20 days for retting and fiber was extracted. At harvesting time, six plants were selected at random from each plot and tagged in the field to note plant height (PH), base diameter (BD), green weight (GW), dry matter weight (DMW), fiber yield (FY) and stick yield (SY) and to determine nutrient uptake. Similarly, plant samples were also collected at 45 days after sowing (at mid stage of cropping) to evaluate nutrient status. Three main quality parameters of jute i.e. brightness, bundle strength and fineness were determined by standard methods using Photo Voltmeter, Pressly Fiber Strength Tester with zero gauge length and Airflow method, respectively. Statistical and economic analyses were also carried out.

Source of Information: Dhaka Univ. J. Biol. Sci. 21(2): 109-116, 2012 (July)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

All the treatments had significant positive impact over control on growth, yield and quality parameters and effect of combined fertilizers on them were explained by simple and multiple regression analysis. The most important parameter, fiber yield (3.21 t/ha) and stick yield (6.58 t/ha), were recorded highest with N90P₀₅K₃₀S₁₀ kg/ha (T₃) treatment. On the other hand, among the fiber quality, best quality fiber was found with N₉₀P₁₅K₃₀S₁₀ kg/ha (T₆) treatment. From the results of economic analysis, combination of N₉₀P₀₅K₃₀S₁₀ kg/ha showed higher BCR (2.30) than N₉₀P₁₅K₃₀S₁₀kg/ha (2.04). In fact, it is higher than widely used varieties BJC?7370 and BJC? 83, which have BCR of 1.7?2.0. It also gave high yield (3.21 t/ha of FY and 6.58 t/ha of SY) which is very close to maximum yield potential of the varieties BJC?7370 and BJC?83 (3.5 ? 4 t/ha). Considering all these aspects, specially yield and BCR, T₃ (N₉₀P₀₅K₃₀S₁₀ kg/ha) treatment seems to be the best combination for this variety (BJC?2197).

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