Affiliation:
1. Odemis Technical Training College, Ege University, Odemis, 35750, Izmir, TURKEY
2. Faculty of Agriculture, Soil Science and Plant Nutrition Department, Ege University, Bornova, 35100, Izmir, TURKEY
Abstract
This study was conducted to determine the effects of poultry manure applications on the nutrient, sucrose, fructose and glucose content of second-crop onions. This study was done in the research and practices area of Ege University, Odemis Technical Training College. Three onion (Allium cepa L.) varieties (Burgaz, Karbeyazı, Şampiyon) and also three different doses of poultry manure (20 t ha-1, 40 t ha-1, 60 t ha-1) and mineral fertilizer were used in this research. A non-fertilized parcel was used as the control. The experimental design was a split plot with three replications. Nitrogen, P, K, Ca, Mg, Fe, Zn, Mn, and Cu content in the leaf and bulb of onion samples were analyzed. In addition, sucrose, fructose, and glucose values in the bulb were determined. The highest nutrient contents of leaves and bulbs were obtained with the residual effect of 40 t ha-1 doses of poultry manure Karbeyazı variety contains the highest level of fructose, sucrose, and glucose compared to other varieties.
Publisher
World Scientific and Engineering Academy and Society (WSEAS)
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