Abstract
The experiment was conducted to find out the effect of organic manures and spacing on the growth and yield of cauliflower in summer season. In this study, the treatment consisted of three organic manures viz. F0: no organic manure, F1: cowdung, F2: vermicompost and three spacing viz. S1 (60 × 30) cm, S2 (60 × 40) cm, S3 (60 × 50) cm. Two factorial experiments were laid out in the RCBD with three replications. Significant variations in all parameter were observed due to organic manure and spacing at different days after transplanting. For organic manure, highest yield of cauliflower (12.98 t ha-1) was obtained from F2 and lowest (8.24 t ha-1) from F0. For spacing, highest yield of cauliflower (11.25 t ha-1) was obtained from S1 and lowest (10.57 t ha-1) from S3. For combined effect, highest yield of cauliflower (13.33 t ha-1) was obtained from F2S1 and the lowest (7.91 t ha-1) from F0S3. The highest BCR (3.79) was found from F2S1 and lowest (2.7) from F0S3. It is found from the experiment that growth and yield of summer cauliflower were positively correlated with organic manure and spacing. However, white beauty cultivars can be cultivated in summer season and use of vermicompost with 60×50 cm spacing would be beneficial for the farmers.Asian J. Med. Biol. Res. June 2016, 2(2): 304-317
Highlights
Cauliflower (Brassica oleracea var botrytis sub var. cauliflora; family Brassicaceae) is introduced in India and a very tasty and much popular vegetable in Bangladesh as well as all over the world (Swarup and Chatterjee, 1972; Rashid, 1999)
Results under the present experiment showed that closer spacing showed higher plant height where wider plant spacing showed lower plant height because of closer spacing plant compete for light which helps to elongate plant than the wider spacing
The highest (75.60, 350.5 and 487.6 g at 50, 60 and 70 days after transplanting (DAT), respectively) curd weight with leaves was observed in the treatment combination F2S3
Summary
Cauliflower (Brassica oleracea var botrytis sub var. cauliflora; family Brassicaceae) is introduced in India and a very tasty and much popular vegetable in Bangladesh as well as all over the world (Swarup and Chatterjee, 1972; Rashid, 1999). Cauliflower requires a period of cold for curd production and for flowering. Fujime (1983) reported that cold requirement for flower production is stronger than for curd production. Cauliflowers that are produced in autumn and winter season in the temperate region can not be grown in Bangladesh, because they do not initiate curd in the mild winter of Bangladesh. Cauliflower requires a period of cold to stimulate curd initiation (Wiebe, 1972). Utilization of organic wastes from agriculture as organic fertilizer for growing crops commercially is very much dependent on the availability of organic wastes and comparability with chemical fertilizers in plant growth and yield performance. Some studies have suggested that the excessive use of these agrochemicals may increase pest problems in the long run
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