Dikim sıklığının yerelmasının (Helianthus tuberosus L.) hasıl verimi ve silaj kalitesi üzerine etkilerinin belirlenmesi

Bu çalışmada, farklı dikim sıklıklarında üretilen yerelması (Helianthus tuberosus L.) hasılının verimi ile elde edilen silajın kalite, besin madde içeriği ve in vitro sindirilebilirliklerinin belirlenmesi amaçlanmaktadır. Çalışma bölünmüş parseller deneme desenine göre dört tekrarlı olarak düzenlenmiş ve dört farklı dikim sıklığı denenmiştir. Bu sıklıklar, 70x50 cm (Kontrol), 30x50 cm (Grup I), 50x50 cm (Grup II) ve 85x50 cm (Grup III) şeklinde düzenlenmiştir. Elde edilen hasıllar, 1L’lik kavanozlarda silolanarak, silajları ve kurutularak da orijinal örnekleri elde edilmiştir. Buna göre; silajlara ait pH düzeyleri 4.54-4.81 (P=0.5) ve organik asitlerden laktik asit içerikleri %2.12-4.30, asetik asit içerikleri %1.97-2.32, propiyonik asit içerikleri ise %0.29-0.41 olarak bulunurken; silajların amonyak azotu içerikleri %0.82-1.14 aralığında tespit edilmiştir. Silaj ve orijinal hasıl için kuru madde (KM) değerleri, %29.99-33.28 ile %37.05-39.40; organik madde (OM) düzeyleri, %85.41-85.79 ile %86.74-87.88; ham protein (HP) değerleri, %8.58-9.59 ile %9.32-11.19; nötral deterjan fiber (NDF) değerleri %35.58-42.53 ile %35.19-37.05; asit deterjan fiber (ADF) değerleri %23.94- 30.12 ile %23.51-25.08 olarak bulunmuştur. IOMS (In vitro organik madde sindirilebilirliği) değerleri silaj ve orijinal hasıl için %51.71- 54.67 ile %59.15-63.13; metabolik enerji (ME), Mkal/kg değerleri ise 1.870-2.012 ile 2.139-2.284 olarak belirlenmiştir (P

The determination of planting density on herbage yield and silage quality of Jerusalem artichoke (Helianthus tuberosus L.) green mass

The aim of this study was to determine green mass yield, silage quality prepared from green mass, nutrient content and digestibility of Jerusalem artichoke (Helianthus tuberosus L.) planted at varying planting densities. Experiment was designed as split plot with four replication and four different plant densities were tested. Planting densities were 70x50 cm (Control), 30x50 cm (Group I), 50x50 cm (Group II), and 85x50 cm (Group III). Chopped green mass were utilized as both silage prepared into 1 L jar-silo and dried original samples. pH of silages were 4.54-4.81 (P=0.5). Lactic acid, acetic acid, propionic acid, and ammonia-N levels were 2.12-4.30%, 1.97-2.32%, 0.29-0.41%, 0.82-1.14%, respectively (P<0.05). Dry matter (DM), organic matter (OM), crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), in vitro organic matter digestibility (IOMD), metabolic energy (ME) Mcal/kg values were 29.99-33.28% and 37.05-39.40%; 85.41-85.79% and 86.74-87.88%; 8.58-9.59% and 9.32-11.19%; 35.58-42.53% and 35.19-37.05%; 23.94-30.12%and 23.51-25.08%; 51.71-54.67% and 59.15- 63.13%; 1.87-2.012% and 2.139-2.284% for silage and original samples, respectively. Dry matter yields of Jerusalem artichoke ranged from 297.3 to 768.1 kg/da (P<0.01). In conclusion, Jerusalem artichoke as an alternative feedstuff has a forage yield and nutrient content similar to high quality forage. Increasing planting density quadratically increased forage yield. The highest yield was obtained with 50x50 cm planting density. In general, Jerusalem artichoke silage has lower nutrient content, in vitro organic matter digestibility and energy value compared with original sample. Based on this data, Jerusalem artichoke green mass should be preferred to feed to animals as green forage, but can be fed to animals as silage if necessary.

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Kafkas Üniversitesi Veteriner Fakültesi Dergisi-Cover
  • ISSN: 1300-6045
  • Yayın Aralığı: Yılda 6 Sayı
  • Başlangıç: 1995
  • Yayıncı: Kafkas Üniv. Veteriner Fak.
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