EFFECT OF FERTILIZER DOSES ON GROWTH AND YIELD OF CABBAGE IN HAOR AREAS

M Salwa and MA Kashem
Journal of the Sylhet Agricultural University, Volume 5, Issue 1, 2018, Pages 45-49

Abstract:

A field experiment was conducted in the Dekar haor area under Sunamganj district during the period from November 2017 to February 2018 to evaluate the influence of fertilizer doses on the growth and yield of cabbage (Brassica oleracea). Four fertilizers doses viz. Recommended dose of N-P-K-S-Zn-B @ 240-88-100-32-4.5-1.5 kg ha-1 (F1), F1 + 25% of F1 (F2), F1 – 25% of F1 (F3), and Cowdung @ 10 t ha-1 (F4) were used in the experiment following randomized complete block design (RCBD) with three replications. Data on growth, yield and yield contributing parameters were recorded. Application of fertilizer doses resulted in variations of growth characteristics of cabbage. The tallest plants were observed due to application of 25% higher fertilizer over recommended dose (F2). The longest leaves 14.33 cm and 28.54 cm were recorded in 25% higher fertilizer over recommended rate at 15 and 45 DAT. Peak spreading area 69.47 cm was in 25% less than recommended fertilizer rate (F3) at 60 DAT. The largest head diameter 69.13 cm was observed due to application of recommended fertilizer dose and the lowest 53.07 cm was in cowdung application @ 10 t ha-1. The maximum gross yield (113.13 t ha-1) and the head yield (79.43 t ha-1) were obtained with the application of recommended dose of fertilizers (F1). The highest BCR 4.5 was observed in recommended fertilizer dose. The results revealed that national recommendation and 25% more than national recommended dose both produced promising cabbage yield in haor area.

Keywords:

Recommended dose, cowdung, gross yield, head yield, BCR, national recommendation


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M Salwa and MA Kashem. 2018. EFFECT OF FERTILIZER DOSES ON GROWTH AND YIELD OF CABBAGE IN HAOR AREAS, Journal of the Sylhet Agricultural University 5(1): 45-49.