EFFECT OF THE USE OF VERMICOMPOST ON THE PLANT GROWTH PARAMETERS OF PAK CHOI (Brassica rapa var.....

The current study was conducted at the Anton de Kom University of Suriname in Paramaribo from May to July 2015 with the goal of investigating the effects of vermicompost on plant development characteristics of white Pak choi (Brassica rapa var. chinensis) and soil structure. For a total of 7 weeks, the experiment was conducted (RBD) in a greenhouse. Control (WC), cow manure (WS), and vermicompost (VC) were the three treatments (WV). Plant growth characteristics (plant height and number of leaves) were recorded both throughout the experiment and after harvest (root and shoot biomass, leaf area). Pak choi nutrient analysis (N, P, K, Mg, Ca, Na, and Fe) was also done, as well as soil examination before and after the experiment (pH, EC, TOC, NPK, Mg, Ca, Mn, Cu, Zn and Fe). The data was gathered and analysed using the Sigma Plot 12.0 software. The most leaves (140.34) were found in WC, followed by WS (130.42) and WV (120.35). WV had the highest plant height of 28.000.62 cm, followed by WC (27.700.70 cm) and WS (27.000.86 cm). WV (147.108.098g) had the highest plant fresh weight, followed by WC (138.5010.69g) and WS (135.7012.76g). WV had the largest leaf surface area (20310.63 cm2), followed by WS (18117.64 cm2) and WC (17414.14 cm2). The effect of vermicompost as a bio-fertilizer on the plant growth characteristics of Pak choi (Brassica rapa var. chinensis) revealed that plants treated with vermicompost performed similarly to those treated with cow manure. Even after harvesting the crop, the values of practically all soil parameters, with the exception of Mn and Fe concentration, increased somewhat following the application of vermicompost, resulting in an improvement in the physical structure of the soil.

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