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Efficacy of Vermicompost and Conventional Compost on Growth and Yield of Cauliflower

F.N. Jahan
Senior Program Officer
SAARC Agriculture Centre, Dhaka, Bangladesh.

A.T.M. Shahjalal
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

Alok Kumar Paul
Department of Soil Science, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

H. Mehraj
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

AFM Jamal Uddin
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted at experimental field of the Soil Science Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh during the period from October 2008 to March 2009 to study the effect of vermicompost and conventional compost on the growth and yield of cauliflower. The experiment comprised of twelve treatments viz. T₁: 100% Recommended Dose of Chemical Fertilizer (RDCF; RDCF= N₂₅₀P₃₅K₆₅S₄₀ Zn₅B₁ kgha^-1); T₂: 80% RDCF; T₃: 60% RDCF; T₄: 100% RDCF+Vermicompost @ 1.5 tha^-1; T₅: 80% RDCF+Vermicompost @ 3 tha^-1; T₆: 60% RDCF+Vermicompost @ 6 tha^-1; T₇: Vermicompost @ 6 tha^-1; T₈: 100% RDCF+Conventional compost @ 1.5 tha^-1; T₉: 80% RDCF+Conventional compost @ 3 tha^-1; T₁₀: 60% RDCF+Conventional compost @ 6 tha^-1; T₁₁: Conventional compost @ 6 tha^-1 and T₁₂: Control (No fertilization) following Randomized Complete Block Design with three replications. Maximum plant height (49.4 cm), number of leaves plant^-1 (16.3), circumference of curd (46.5 cm), curd height (20.7 cm), total weight (1.60 kg plant^-1), marketable weight (13.0 kg plant^-1), curd yield (37.6 tha^-1) and stover yield (29.7 tha^-1) were found from T₄ which was statistically identical with or followed by T₈and T₅. From the experiment it was found that vermicompost was better that conventional compost in combination with chemical fertilizers.

Keywords: Cauliflower, Combination, Vermicompost, Conventional compost, Growth, Yield.

Location: Soil Science Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

Start Date: 00-10-2008

End Date: 00-03-2009

Program Area: Crop-Soil-Water Management

Commodity: Vermicompost and vermiculture

Objectives:

To study the effects of vermicompost and conventional compost on the nutrient concentration, uptake, growth and yield of cauliflower.

Methodology:

The experiment was conducted at experimental field of the Soil Science Division, Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur, Bangladesh during the period from October 2008 to March 2009 to study the effect of vermicompost and conventional compost on the growth and yield of cauliflower. The experiment comprised of twelve treatments viz. T₁: 100% Recommended Dose of Chemical Fertilizer (RDCF; RDCF= N₂₅₀P₃₅K₆₅S₄₀ Zn₅B₁ kgha^-1); T₂: 80% RDCF; T₃: 60% RDCF; T₄: 100% RDCF+Vermicompost @ 1.5 tha^-1; T₅: 80% RDCF+Vermicompost @ 3 tha^-1; T₆: 60% RDCF+Vermicompost @ 6 tha^-1; T₇: Vermicompost @ 6 tha^-1; T₈: 100% RDCF+Conventional compost @ 1.5 tha^-1; T₉: 80% RDCF+Conventional compost @ 3 tha^-1; T₁₀: 60% RDCF+Conventional compost @ 6 tha^-1; T₁₁: Conventional compost @ 6 tha^-1 and T₁₂: Control (No fertilization) following Randomized Complete Block Design with three replications. The total number of plots was 36 and the unit plot size was 3.0 m x 2.7 m. The distance between adjacent plots was 50.0 cm and one replication to another replication was 1.0 m. ‘Snow white’ cauliflower variety was used on the experiment. Healthy and disease free uniform sized twenty five days old seedlings of cauliflower were uprooted from the seedbeds and transplanted in the main field on the 25^th November, 2008 with a spacing of 60 cm from row to row and 45 cm from plant to plant. The doses of 100% N-P-K-S–Zn-B were 250-35-65-40-5-1 kg ha^-1 in the form of urea, triple super phosphate, muriate of potash, gypsum, zinc sulphate and boric acid respectively. The whole amount of P, K, S, Zn, B and 1/3 N were broadcast and thoroughly incorporated into the soil at the time of final land preparation and the remaining 2/3 N was top dressed in two equal installments at 25 and 45 days after transplanting and vermicompost and conventional compost were applied before transplanting. Before initiation and the completion of the experiments, composite soil samples were collected from each plot at 0-15 cm depth. Three auger samples were taken from each plot and divided into two sets of sub-samples. The collected samples were then air-dried, and ground to pass through a 2 mm (10 meshes) sieve and stored in a clean plastic container for physical and chemical analysis.

Source of Information: BANGLADESH RESEARCH PUBLICATIONS JOURNAL, ISSN: 1998-2003, Volume: 10, Issue: 1, Page: 33-38, May - June, 2014

Article Link (Online Journal): http://www.bdresearchpublications.com/admin/journal/upload/1410005/1410005.pdf

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

From the backdrop of the above all out study on the response of cauliflower to vermicompost and conventional compost, it may be concluded that combined application of vermicompost and inorganic fertilizer has a positive effect on yield and yield components of cauliflower than conventional compost. The treatment T₄ comprising 100% RDCF and 1.5 t vermicompost per hectare showed better for growth and yield performance of cauliflower. Cauliflower showed better performance due to the application of vermicompost as compared to the conventional compost.

Knowledge Management: Journal