The wastes that come out as a result of agricultural productions are disposed randomly without being utilized in more beneficial ways. While the types and amounts of such wastes differ, it is calculated that each of them has a great volume. Cut flower carnation wastes and spent mushroom compost have a serious potential in Turkey and especially in Antalya, increase soil fertility and has economic benefits, thanks to reduction in environmental pollution can be achieved by transforming agricultural wastes into a new product. In this study, the composts that are obtained as a result of the composting of organic wastes with various additives in varying ratios as well as the effects of organic materials on the dry matter contents and macro-micro element contents of the carnation plant (standard) were examined. The effect of composts and organic material applications on the dry matter and macro-micro element contents of the carnation plant was found to be statistically significant and increases were achieved in the dry matter contents and nutrient contents of the plant with composting and organic material applications. Dry matter contents in plants increased all organic applications. The mixture ratios of %50CW+ %25SMC+ %25PM (R4) and %25CW+ %75SMC (R3) were the applications that yielded the best results in many parameters despite the increases in other mixtures compared to the control group.
Key words: Spent mushroom compost, carnation wastes, organic manure, compost, dry matter.
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