Kuzey Mısır Deltasında, biyo, organik ve mineral azotta yetiştirilen kanolanın (Brassica napus L.) agronomik özelliklerinin değerlendirilmesi

Yıl 2015, Cilt: 4 Sayı: 2, 59 - 67, 01.12.2015

Ayman Elsabagh Abd Elhamid Omar Hirofumi Saneoka Celaleddin Barutçular

Öz

Bu çalışma, Kuzey Mısır Deltasında, farklı kaynaklı ve miktardaki azotlu gübrelerin kanolanın verim özelliklerine etkisini araştırımak amacıyla yapılmıştır. Deneme, Mısır’ın Kafr El-Sheikh Üniversitesi, Ziraat Fakültesinin Deneme Çiftliğinde 2004/2005 ve 2005/2006 iki kış sezonunda yürütülmüştür. Deneme, şerit bloklarında bölünmüş parsellerde dört tekrarlamalı tesadüf parseller olarak, biyogübre dikey parseller Biyo-gübresiz ve biyo-gübreli olarak planlanmıştır. Kompost, yatayda: kontrol, 6, 12 ve 18 kg compost ha-1 olarak düzenlenmiştir. Mineral azot, dikey alt parseller: kontrol, 36, 72 ve 108 kg N ha-1 olarak düzenlenmiştir. Biyo-gübre uygulamasının, bitkide dal sayısı, bitkide harnup sayısı, harnupta tohum sayısı, 1000-tohum ağırlığı, bitkide veya hektarda tohum verimi, biyolojik verim ve hasat indeksine etkileri önemli bulunmuştur. Verim özellikleri, compost ve azot düzeyindeki yükselişlerle birlikte iyileşmiştir. Biyo-gübrenin verime etkisi, mineral gübre artışı ile önemli etkileşim yaparak yüksek tohum verimini sağlamıştır. Sonuçlar, biyo-gübre, organik azotun sınırlı 72 kg N ha-1 alanlarda azot alımını artırmış olduğunu göstermiştir. Biyo-gübrenin, organik veya inorganik azot ile birlikte kullanımı dikkate alındığında, verimi önemli düzeyde artırmış ve çevre konusunda da yeni bir bakış açısı sağlamıştır

Anahtar Kelimeler

Kanola, Biyo-gübre, Kompost, Azotlu gübre, Verim

Evaluation agronomic traits of canola (Brassica napus L.) under organic, bio- and chemical fertilizers

Öz

This study was carried out to evaluate the effect different sources and rates of nitrogen fertilizers on yield traits of canola under Egyptian conditions. The experiment was conducted at the Experimental Farm of Faculty of Agriculture, Kafr El-Sheikh University, Egypt during the two successive winter season of 2004/2005 and 2005/2006. The experimental design was a strip - split plot with four replicates, Bio-fertilizer was in horizontal plots: without bio-fertilizer and with bio-fertilizer. Compost was in vertical plots: control, 6, 12 and 18 ton ha-1. Nitrogen was arranged in sub vertical plots: control, 36, 72 and 108 kg N ha-1 . Result revealed that, the bio fertilizer effects on seed yield and yield traits was significant as compare to control. Compost significantly improved yield and yield components of canola and the rate up to 18 ton ha-1 was more effective. Chemical nitrogen significantly improved on yield parameters and the rate of 108 kg ha-1 produced the highest seed yield and yield traits. The findings clearly showed that combined application of bio-fertilizer plus 108 kg N ha-1 adding with 18 ton compost ha-1 has resulted in obtaining highest seed yield and yield components. While, according to the results, bio-fertilizer could be increased the nitrogen uptake efficient and could be helpful with compost rate 72 kg N ha-1 . So, using bio-fertilizer combined with organic and inorganic nitrogen could be improve seed yield and reducing the need for chemical fertilizers and that will lead to sustainable agriculture.

Anahtar Kelimeler

Canola, Bio-fertilizer, Compost, N-fertilizer, Yield

Kaynakça

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