The effect of different leonardite applications on yield and quality of bean

Thesis Type: Postgraduate

Institution Of The Thesis: Bursa Uludağ University, Fen Bilimleri Enstitüsü, Turkey

Approval Date: 2019

Thesis Language: Turkish

Student: Sevgi İmamoğlu



In this study, we investigated the effect of different leonardite applications on yield and quality in beans, “Volare” and “Java” varieties of Phaseolus vulgaris L. were used as plant material. In our study, as a source of leonardite, two different forms of liquid (10- 15% organic matter) and solid (40% organic matter) were used. Application doses were determined as 0, 6 L/da, 12 L/da, 50 kg/da, 100 kg/da. Phenological observations of plants, growth criteria, yield and general quality analyzes were performed. When the results of the analysis were examined, 8 days in liquid leonardite applications and 12 days in solid leonardite applications were early maturation was observed in both bean variety. In both bean varieties, while plant height, number of leaves and chlorophyll amount increased significantly. When we examined the plant height data, 100 kg / da leonardite application increased 72% in Java variety and 84% in Volare variety compared to control. In parallel with these data, each dose of leonardite had a positive effect on root, shoot, leaf wet-dry weight in both varieties. It is thought that leonardite plays an important role in making plant nutrients and organic materials useful in the soil, encourages vegetative growth and has a positive effect on plant biomass. The effect of leonardite application doses on N, Ca, Mg, Fe, Mn and Cu concentrations of leaves of Java beans was statistically significant and it was observed that P and K elements were ineffective on leaf concentrations. The effect of leonardite applications on N, P, Mg, Mn, Zn, Cu concentrations in Volare bean cultivar was found to be statistically significant and the effect of K, Ca, Fe on leaf concentrations was not statistically significant. An increase of 45-216% in the use of liquid form leonardite and 91-286% in the use of solid form leonardite were detected in total yield. It was determined that the increase in yield taken from the unit area did not adversely affect the fruit quality and it was determined by determining the increase in broad bean length, weight and dry matter amount.As a result, leonardite can be recommended as a source of organic fertilizer in green bean plant cultivation both in order to increase the quality of our soil and to ensure the sustainability of agriculture and to contribute significantly to the total yield and quality.