Abstract
The study was carried out in order to investigate the effects of 5 different solid biogas fermentation residue doses (0, 0.5, 1, 2 t da-1) on the yield and quality of berseem clover (Trifolium alexandrinum L.) in Aydın province. In the study, no chemical fertilizers were applied and the harvest was carried out at 50-100% flowering time. In the study, hay yield (kg da-1), leaf / stem ratio (%), Ca (%), Mg (%), crude ash content (%), Acid Detergen Fiber (ADF (%)), Neutral Detergent Fiber (NDF (%)), crude protein content (%) parameters are measured. Crude protein yield yield (kg da-1) and relative feed value calculated after the measurements. According to the results, in 2016-2018 years average hay yield was obtained from 552.98 kg da-1 of 1.5 t da-1 solid biogas residue application. In terms of crude protein content, the highest value in 2016-2018 years was found as 22,88% in 1 t da-1 fertilizer application. As a result of the study, it was found that solid biogas waste had positive effects on feed efficiency and quality when all parameters were evaluated. Especially 1 t da-1 and 1.5 t da-1 solid biogas residue fertilizer doses were determined to come to the fore in the berseem clover.
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