Abstract
The purpose of this research was to utilize spent mushroom compost as a seedling cultivation media in vegetative production and provide an alternative to the peat sources on the edge of extinction. Tomato (Lycopersicon esculentum Mill.) was used as a vegetative production material. In this research, 7 different growing media consisting of 100% peat, 100% spent mushroom compost and a mixture of peat + spent mushroom compost + perlite at varying rates were prepared. According to the results of the research, the values of hypocotyl length, seedling root length, shoot wet weight and root wet weight gave the best results the seedlings grown in 100% spent mushroom compost (H7) the length of cotyledon contained 25% spent mushroom compost (H5), the width of cotyledon contained 25% spent mushroom compost (H3). Statistically, there was a difference between the mixtures of different cultivation media and the hypocotyl length at a level of p<0.05. The best value of hypocotyl length was obtained as 48.00mm from H7, implementation containing 100% spent mushroom compost. According to H1 media containing 100% peat, seedling root length increased in the media which spent mushroom compost was added into and a difference at a level of p<0.05 occurred between them. The addition of spent mushroom compost into the cultivation media can be said to have had a positive impact on the quality traits of tomato seedling.
Highlights
The utilization of vegetal wastes such as stalks, straw, bran and molasses generated during the agricultural product harvest and industrial processing in the agricultural production again is an environmental approach (Akyüz and Kırbağ 2009)
The lowest content was found in 100% peat media and the highest content was found in 100% spent mushroom compost media
H7 media, which contained 100% spent mushroom compost, gave the maximum value of K20 and Ca content compared to H1 media, which contained 100% peat
Summary
The utilization of vegetal wastes such as stalks, straw, bran and molasses generated during the agricultural product harvest and industrial processing in the agricultural production again is an environmental approach (Akyüz and Kırbağ 2009). Birben et al (1999) researched the impacts of 7 media prepared with spent mushroom compost, peat and perlite on Begonia (Begonia semperflorens) plant in their study. Polat et al (2004) researched the impacts of spent mushroom compost on the yield and quality in lettuce cultivation in their study They stated that the implementation of 2 and 4 tons of synthetic spent mushroom compost per decare, which they applied in Autumn and Spring periods (0,1,2 and 4 ton/da), gave the best results in both periods in terms of yield. Benito et al (2005) formed 6 different cultivation media by mixing peat, fallen leaves, sand and spent mushroom compost with the compost material they prepared with pruning wastes They used grass (Lolium prenne L.) and cypress (Cupressus sempervirens L.) as test plants.
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