Abstract
This research was carried out to investigate the yield and quality of the hay of oat and triticale harvested at different timings in the growing seasons of 2018-2019 and 2019-2020 at the Research and Application Field of Çanakkale Onsekiz Mart University, Faculty of Agriculture situated in Dardanos Çanakkale. Plants were harvested in three different growth stages (earing/heading formation, flowering and milk dough stages) in this study. The experiment has been established by using a randomized complete block design with 6 replications. Crude protein (CP), crude ash (CA) and digestible dry matter (DDM) along with the fresh and dry yield of hay were determined in this study. The fresh and dry yield of hay increased when the harvesting time was delayed. In the results of two years harvesting stage of earing/heading, the average hay yield increased from 494.5 kg/da to 2049.8 kg/da at milk dough stage. On the other hand, the ratios of CP, CA and DDM were decreased. In general, the values of oat and triticale were found to be close to each other. Consequently, it has been concluded that it would be appropriate to harvest both oat and triticale during their milk dough stage, although, there is a slight decrease in hay quality since the hay yield is very high. Harvesting should be done during the flowering stage, if the high quality hay production is expected.
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