Çeşit ve Gübrelemenin Silajlık Mısırın Bitki ve Silaj Ham Protein İçeriği Üzerine Etkileri

Öz

Karabük-Eskipazar ekolojik koşullarında 2011 ve 2012 yıllarında yürütülen bu araştırmada, farklı hibrit mısır çeşitlerinde (PR 31Y43, OSSK-644 ve Lacasta) organik ve inorganik gübre (organik, inorganik, ½ organik + ½ inorganik) uygulamalarının bitki ve silaj ham protein içerikleri üzerine etkileri araştırılmıştır. Gübreleme uygulamaları her iki araştırma yılında bitki ham protein oranı ve verimi üzerine istatistiki olarak etkili olmuştur. En yüksek değerler inorganik (10.5, 7.0 ve 1.96, 1.67 sırasıyla) ve ½ organik + ½ inorganik (9.1, 6.7 ve 1.53, 1.52 sırasıyla) gübre uygulamalarından elde edilmiştir. Gübre uygulamaları x çeşit interaksiyonları bitki ve silaj ham protein oranları üzerine ilk araştırma yılında istatistiki olarak etkili olmuştur. En yüksek bitki ham protein oranı değerleri ½ organik + ½ inorganik x Lacasta interaksiyonu ile inorganik gübre uygulamalarının Lacasta, OSSK-644 ve PR 31Y43 interaksiyonlarından elde edilmiştir (11.0, 10.7, 10.6 ve 10.2 sırasıyla). En yüksek silaj ham protein oranı ise ½ organik + ½ inorganik x Lacasta ve inorganik x Lacasta interaksiyonlarından elde edilmiştir (9.4 ve 9.2 sırasıyla). Araştırma sonucunda, en yüksek ham protein verimi PR 31Y43 çeşidi ve inorganik, ½ organik + ½ inorganik gübre uygulamalarından elde edilmiştir. İnorganik gübre ithalatına ödenilen döviz miktarı ile inorganik gübrelerin insan ve çevre sağlığı üzerine olumsuz etkileri düşünüldüğünde, ½ organik + ½ inorganik gübre uygulamalarının silajlık mısır yetiştiriciliğinde tavsiye edilebileceği görülmektedir.

Anahtar Kelimeler

• Ham protein
• organik ve inorganik gübreleme
• silajlık mısır çeşitleri

Effects of Cultivar and Fertilization on Plant and Silage Crude Protein Contents in Maize

Abstract

This research was conducted to determine the effects of organic and inorganic fertilizer treatments (organic, inorganic, ½ organic + ½ inorganic) on plant and silage crude protein contents of hybrid corn cultivars (PR 31Y43, OSSK-644 and Lacasta) in the years 2011 and 2012 under the ecological conditions of Eskipazar-Karabük. The fertilizer treatments were statistically significant on plant crude protein ratio and plant crude protein yield in both research years. The highest values were obtained from inorganic (10.5, 7.0 and 1.96, 1.67 respectively) and ½ organic + ½ inorganic (9.1, 6.7 and 1.53, 1.52 respectively) fertilizer treatments. The fertilization treatments x hybrid corn cultivars interactions were statistically significant on the plant and silage crude protein in the first research year. The highest plant crude protein was obtained from ½ organic + ½ inorganic x Lacasta interactions and from Lacasta, OSSK-644 and PR 31Y43 interactions of the inorganic fertilizer treatments (11.0, 10.7, 10.6 and 10.2 respectively). On the other hand, the highest silage crude protein was obtained from ½ organic + ½ inorganic x Lacasta and inorganic x Lacasta interactions (9.4 and 9.2 respectively). As a result of the research, high protein yields obtained from PR 31Y43 corn cultivar and inorganic, ½ organic + ½ inorganic fertilizer treatments. When we consider the sums paid for the export of inorganic fertilizers and the negative effects of these inorganic fertilizers on human and environmental health, we may see that ½ organic + ½ inorganic fertilizer treatments would be preferable in the silage corn growing.

Keywords

• Crude protein
• organic and inorganic fertilization
• silage corn cultivars

Kaynakça

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