Bazı Yonca (Medicago sativa L.) Çeşitlerinin Farklı Ekim Zamanlarında Verim ve Verim Unsurlarının Belirlenmesi Üzerinde Bir Araştırma
2017
This research was conducted to investigate the effect of diferent sowing dates and cultivars on the herbage yield and some yield characteristics of Medicago sativa grown in the ecological conditions of Gurpinar, Van, Turkey in the vegetation periods of 2006-2009. The trial was performed in the split-plots design with three replicates and the main plots were the sowing dates (20.03.2006, 20.04.2006 and 20.05.2006 with 01.09.2006, 01.10.2006 and 01.11.2006) and the sub-plots were cultivars (Desica, Kayseri, Bilensoy, MA-414, MA-324). In the summer of 2006 one cleaning cutting was taken and the data were obtained from 2007 and 2008. Although there were not the sing differences among the seeding dates in the first year, the highest green herbage yield (2714,3 kg/da) was obtained from the 20 March sawing. There were sign yield differences in the second year and highest green herbage yield (3385.0 kg/da ) was obtained from 20 March sowing. There were not sign differences in the dry matter yield in first year and the yields ranged between 839.9-737.5 kg/da. In the second year, sowing in 20 March gave the highest dry matter yield (1231.9 kg/da ) again. There were important yield differences among the cultivars and Bilensoy had the highest green and dry matter yields in both years (2976.3-969.1 kg/da and 3772.1-1331.2 kg/da, for the first and second years, respectively). Can not be right for planting out in the fall if any could be measured by the yield and yield components.
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