Effect of Boron (B) and Zinc (Zn) on the Yield and Attributing Characters of Cauliflower

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Effect of Boron (B) and Zinc (Zn) on the Yield and Attributing Characters of Cauliflower Rahul Kumar Verma1 • Shivam Singh2 • R. B. Verma3 • Mahendra Pratap Singh4 • Vijay Kumar5

Received: 18 May 2020 / Revised: 20 August 2020 / Accepted: 24 August 2020 Ó The National Academy of Sciences, India 2020

Abstract Deficiency of micronutrients imposes heavy yield losses in crop production in India. The On-Farm Trail (OFT) was conducted at farmer’s field to assess the effect of B and Zn on the yield and attributing characters of cauliflower. Among the three treatments (second treatment, T2), application of 15 kg borax and 25 kg zinc sulfate per hectare resulted in significant yield of 308 q ha-1 and was economical feasible with B:C ratio 3.41. Yield of curd also had significantly positive correlation with majority of the yield attributing characters viz. plant height, days to curd maturity, and curd weight. However, it was nonsignificantly but positively correlated with number of leaves and days to curd initiation. The findings conclude that the incorporation of 15 kg borax and 25 kg zinc sulfate per hectare in the soil can have profound, non-tedious, economically feasible, and convenient impact on cauliflower production. Keywords Boron  Zinc  OFT  Cauliflower  Yield

& Rahul Kumar Verma [email protected] 1

Division of Horticultural Science, Krishi Vigyan Kendra, Madhepura, BAU Sabour, Bhagalpur, Bihar, India

2

Department of Soil Science and Agricultural Chemistry, BUA&T, Banda, U.P, India

3

Division of Vegetable Science, Bihar Agricultural University, Sabour, Bhagalpur 813210, India

4

Division of Horticultural Science, Krishi Vigyan Kendra, Sonbhadra, Kumarganj, Faizabad, India

5

Division of Horticultural Science, Nalanda College of Horticulture, Noorsarai, Sabour, Bhagalpur, Bihar 803113, India

Significance of the Work The highest yield with maximum net return was obtained from the T2 is practically convenient and economically feasible for cauliflower production in the district Madhepura, Bihar. The treatment produced high yield. The recommendation of appropriate application of nutrients in the soils on the basis of scientific findings will be helpful for the farmers to get desired yield and to maintain physicochemical status of the soil. It increases the soil fertility, crop productivity and at the same time, the socioeconomic status of the farmers of the region. Cauliflower (Brassica oleracea var. botrytis L.) is a vegetable of Mediterranean origin. It was introduced in India by Dr. Jenson from London in 1822. The crop is preferred by the farmers for their economic gain due to its use as delicious food and easy processing character for freezing or pickling. The name cauliflower has derived from the Latin words ‘Caulis’ and ‘Floris’ means stem and flower, respectively. Plant is thermo-sensitive in nature and responds well towards the application of macro- and micronutrients. It is understood that the Indian soils are deficient in their micronutrient content. The micronutrients