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Response of Cauliflower to Npk Fertilizers at Different Levels of Irrigation

M. A. Karim
Agronmy Division, BARI, Joydebpur, Gazipur.

M. M. Hoque
Horticulture Division, BARI, Joydebpur Gazipur.

M. M. Hossain
Horticulture Division, BARI, Joydebpur Gazipur

Abstract/ Executive Summary:

Significant effects were observed due to different doses of NPK fertilizers as well as levels of irrigation on plant height, leaves/plant, weight of curd/plant, pods/plant, seeds/pod and seed yield/plant. Five irrigation produced the heaviest curd ( 1.50 kg/ plant) and the highest seed yield ( 37.7 g/plant ) whereas the control treatment gave the poorest yield of curd (57 g/plant and seed yield (1.6g/plant). Nitrogen, Phosphorus and Potassium application significantly and progressively increased both curd (940.6 g/plant) and seed yield (32.8 g/plant) with increasing rates approaching 150 kg N. 112 kg P₂O₅ and 100kg K₂O per hectare.

Keywords: Cauliflower, NPK fertilizers, Irrigation

Location: Regional Agricultural Research Station, Jamalpur

Start Date: 00-00-1984

End Date: 00-00-1985

Program Area: Crop-Soil-Water Management

Commodity: Cauliflower

Objectives:

To investigate the effect of optimum doses of NPK fertilizers and irrigation on the production of cauliflower under local condition.

Methodology:

The experiment was conducted at the Regional Agricultural Research Station, Jamalpur during the winter of 1984-85. The cultivar Kartika was taken for the study. Thirty five -day old seedlings were transplanted to the main field on 1 November 1984. Six levels of each of irrigation and fertilizer were taken into consideration. The experiment was laid out in a split plot design having three replications in which the levels of irrigation were assigned to the main plots and fertilizer treatments to the sub plots. Transplanting of seedlings was done at a spacing of 60 x 45 cm. Basal irrigation with watering can was given up to 3 days for plant establishment. First flood irrigation was applied after 15 days of transplanting and the subsequent irrigations were done at twenty days interval. All phosphate fertilizer and one third of N and K were applied at the time of final land preparation and rest two thirds of N and K were applied 25 and 45 days after transplanting. Crop was harvested for curd and for seeds 102 and 175 days after transplanting, respectively.

Source of Information: Bangladesh Hort. 15 (2): 23-29, 1987; ISSN 0379-4288

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results obtained in this study revealed that frequency of irrigation and fertilizer dose play an important role in increasing the curd and seed yield of cauliflower. Response to higher dose of fertilizers (N₁₅₀ P₁₁₂ K₁₀₀) indicate that the soil of Jamalpur is deficient in different nutrients. Therefore, to obtain higher curd and seed yield of cauliflower five irrigations along with the fertilizer treatment f₅(N₁₅₀ P₁₁₂ K₁₀₀) may be suggested to the growers.

Knowledge Management: Journal