Effect of Spraying with Different Concentrations of Humic Acids on Productivity of Cauliflower (Brassica oleraceae var. Botrytis, L.) in Hama Province

Ahmed Mohamed Jarjanazi*(1)

 (1). Second Faculty of Agriculture, Aleppo University, Aleppo, Syria.

(*Corresponding author: Dr. Ahmed Mohamed jarjanazi. E-Mail:Jarjnazi1965@gmail.com.

Received: 25/10/2017                                Accepted: 03/02/2018


The experiment was conducted in order to determine the effect of humoral acid concentrations on growth and yield of Cauliflower plants. Brassica oleraceae var. Botrytis, L. Var. Rama under the conditions of Hama Governorate-Besirin region, during the agricultural season 2016/2017. Four concentrates of humic acids (0, 1.25, 2.5, and 3.75 cm3/L) were used. The experiment was designed according to Randomized Completely Block Design with three replicates. The results showed that the humic acid spray improved the growth and productivity of the studied parameters. The best concentration of humic acid was 1.5 cm3/L which achieved the highest height (54.7 cm), diameter of the plant (79 cm), leaf length (57.5 cm), leaf width (27.8 cm), number of leaves (32.33 leaf/plant), diameter of curd (31.45 cm), weight of net curd (2288 g) and the total productivity of net curd (7627 kg/dunum).

Keyword: Humic acids, Cauliflower, Growth and productivity traits.

Full Paper in Arabic: PDF