A Preliminary Study on the Effect of Different Nitrogen Levels on the Biomass Yield and Some Yield Characteristics of Elephantgrass (Miscanthus x giganteus) Used as an Energy Crops

Yıl 2019, Cilt: 56 Sayı: 2, 257 - 262, 27.06.2019

Tuğçe Özdoğan , Hakan Geren

https://doi.org/10.20289/zfdergi.481848

Cited By: 3

Öz

Objective: This study was conducted to determine the effect of nitrogen levels on the biomass yield and some yield parameters of elephantgrass (Miscanthus x giganteus).

Material and Methods: The experiment was carried out at Ege University, Faculty of Agriculture, Department of Field Crops, Izmir, Turkey, during the summer growth seasons of 2017 as a pot experiment grown under outdoor. In the experiment, elephantgrass rhizomes were planted with different fertilization levels of nitrogen (0, 50, 100, 150, 200, 250, 300 kg·ha-1 N). Some parameters were evaluated in the study such as plant height, stem number, stem diameter, dry biomass yield and ash content.

Results: The effect of nitrogen levels were significant on all parameter tested except stem diameter in the study. Application of the higher rates of N treatments increased the biomass yields compared to the control. Based on these results, 150 kg·ha-1 N was proved the best fertilizer levels for elephantgrass biomass yield under Mediterranean ecological conditions.

Anahtar Kelimeler

Miscanthus x giganteus, elephantgrass, nitrogen level, biomass yield

Enerji Bitkisi Olarak Kullanılan Filotu (Miscanthus x giganteus)’nda Farklı Azot Seviyelerinin Biyokütle Verimi ve Bazı Verim Özelliklerine Etkisi Üzerine Bir Ön Araştırma

Öz

Amaç: Bu çalışma, farklı azot seviyelerinin filotu (Miscanthus x giganteus) bitkisinde biyokütle verimi ve bazı verim özellikleri üzerine etkilerini saptamak amacıyla yürütülmüştür.

Materyal ve Yöntem: Araştırma, 2017 yılı yaz yetişme döneminde, Ege Üniversitesi Ziraat Fakültesi Tarla Bitkileri Bölümü, İzmir, Türkiye’de dış ortam koşullarında saksı denemesi olarak gerçekleştirilmiştir. Denemede yedi farklı azot (0, 5, 10, 15, 20, 25, 30 kg/da N) seviyesi içeren toprağa filotu rizomları dikilmiştir. Çalışmada kardeş sayısı, bitki boyu, sap çapı, kuru biyokütle verimi ve ham kül oranı gibi özellikler değerlendirilmiştir.

Sonuç: Azot seviyelerinin sap çapı hariç, incelenen tüm özellikler üzerinde önemli etkilerinin olduğu belirlenmiştir. Azot dozlarının artışıyla biyokütle verimi yükselmiştir. Akdeniz iklim koşullarında dekara 15 kg azot uygulamasının filotunun biyokütle verimini yükselten en iyi gübre seviyesi olduğu belirlenmiştir.

Anahtar Kelimeler

Miscanthus x giganteus, filotu, azot seviyesi, biyokütle verimi

Kaynakça

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