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Influence of Fertilizer Levels on the Growth and Yield of Black Cumin (nigella Sativa L.)

M. M. K. Ali
Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

M. A. Hasan
Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

M. R. Islam
Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted at the research farm of Crop Physiology and Ecology Department, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh, during November 2013 to April 2014 to determine the growth and yield performance of four varieties of black cumin (Exotic variety, BARI kalozira-1, Faridpur local and Natore local) as influenced by three levels of fertilizers (40-20-30 Kg ha^-1, 80-30-45 Kg ha^-1 and 120-40-60 Kg ha^-1 N-P-K, respectively). The experiment was conducted in a randomized complete block design (RCBD) with three replications. First flower bud initiation day, capsule setting, and capsule ripening in 50% plant were not significantly influenced by N-P-K fertilizer levels. The secondary branch plant^-1, tertiary branch plant^-1, plant height at harvest, capsule length, capsule diameter and 1000 seed weight of black cumin were also not influenced significantly by the fertilizer levels. The dry matter weight plant^-1, primary branch plant^-1, fruit plant^-1, seed capsule^-1 and grain yield of black cumin genotypes were significantly influenced by different levels of N-P-K fertilizers. Natore local gave maximum dry matter production plant^-1 at 55 DAS with moderate N-P-K levels and at 70 DAS with higher N-P-K fertilizer levels (0.22 and 1.06 g, respectively), whereas Exotic black cumin genotype showed maximum dry matter plant^-1 at 85 and 100 DAS with higher N-P-K fertilizer levels (2.30 and 4.97 g, respectively). Exotic variety produced maximum grain yield (3.43 g plant^-1 and 2.30 t ha^-1) at higher level of N-P-K fertilizer, but BARI kalozira-1 (2.95 g plant^-1 and 1.95 t ha^-1), Faridpur local (2.80g plant^-1 and 1.90 t ha^-1) and Natore local (2.69 g plant^-1 and 1.80 t ha^-1) showed maximum yields at moderate N-P-K fertilizer levels. Among the test varieties of black cumin, the exotic variety showed better yield performance than the others.

Keywords: N-P-K-fertilizer, Growth, Yield, Black cumin

Location: Crop Physiology and Ecology Department, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

Start Date: 00-11-2013

End Date: 00-04-2014

Program Area: Crop-Soil-Water Management

Commodity: Black cumin

Objectives:

1. To determine the growth and yield of black cumin genotypes under different levels of N-P-K fertilizer

2. To estimate the optimum fertilizer doses for black cumin production.

Methodology:

The experiment was set-up at the research farm of Crop Physiology and Ecology Department, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh during November 2013 to April 2014. The experiment was laid out in a two factors randomized complete block design (RCBD) with three replications. One factor consisted of four genotypes (Exotic variety, BARI kalozira-1, Faridpur local and Natore local) and the other factor consisted of three fertilizer levels (Low, moderate and high level of N-P-K as 40-20-30 Kg ha^-1, 80-30-45 Kg ha^-1 and 120-40-60 Kg ha^-1, respectively). The individual experimental plot was first divided into three blocks each representing a replication. Each block was then divided into twelve-unit plots of 1.0m × 1.2m size. The distance between blocks was 1.0m and between plots was 0.5m. Seeds were soaked in water for 24 hours to facilitate germination. They were dried and treated by Bavistin (carbendazim) @ 2g kg^-1 seeds to minimize the primary seed-borne disease. The seeds were mixed with some loose soil to allow uniform sowing in rows and were sown in rows 15 cm apart, at the rate of 10 kg ha^-1 at about a depth of one cm. Continuous line was done to maintain plant to plant distance of 10 cm by thinning after 15 days. The seeds were covered with loose soil properly just after sowing and gently pressed by hands. The sowing was done November 19, 2013 with slight watering to enhance proper germination. Five fresh plants were selected from each plot for sampling at different days after sowing. Dry matter weight at different days after showing, Days of first flower bud initiation, capsule setting, and capsule ripening in 50% plant were recorded. Number of branches plant^-1, plant height, capsule length, capsule diameter, fruits plant^-1, seed capsule^-1, 1000 seed weight and yield were also recorded. The data were analyzed by partitioning the total variance with the help of computer by using MSTAT program. The treatment means were compared using Duncan’s Multiple Range Test (DMRT) at P ≤ 5% level.

Source of Information: The Agriculturists 13(2): 97-104(2015), ISSN 2304-7321 (Online), ISSN 1729-5211 (Print)

Article Link (Online Journal): http://dx.doi.org/10.3329/agric.v13i2.26596

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It may be concluded that different black cumin genotypes responded differently in their growth and yields with the fertilizer levels. The exotic variety gave the maximum grain yield at higher fertilizer level. On the other hand, BARI kalozira-1, Faridpur local and Natore local provided the maximum grain yield at moderate fertilizer levels.

Knowledge Management: Journal