The effects of different plant densities and nitrogen levels on certain macro and micro element contents of okra

Funda Yoldaş, Safak Ceylan, Omer L. Elmacı, Ibrahim Duman, Eftal Duzyaman, Murat Özge

Abstract


Farklı bitki yoğunluğu ve azot seviyelerinin bamyada bazı makro ve mikro element içerikleri üzerine etkileri

 

ÖZET

Farklı bitki yoğunluğu ve azot seviyelerinin bamyada (Abelmoschus esculentus L.) mikro ve makro element içeriklerine etkilerinin araştırıldığı çalışma, Ege Üniversitesi Ödemiş Meslek Yüksekokulu ile Ege Üniversitesi Menemen Araştırma, Uygulama ve Üretim Çiftliği uygulama arazilerinde gerçekleştirilmiştir. Split-plot deneme desenine göre üç tekerrürlü olarak kurulmuş, ana parselleri azot uygulamaları ve alt parselleri bitki yoğunlukları oluşturmuştur. Azotlu gübreler üre ve amonyum nitrat formunda uygulanmıştır. Beş farklı azot seviyesi (0, 40, 80, 120 ve 160 kg N ha-1) ve iki farklı dikim mesafesi (15*70cm ve 25*70 cm) test edilmiştir. Meyve ve yapraklarda makro ve mikro besin belirlenmiştir. Yaprakların N içeriği Ödemiş lokasyonunda yüksek azot seviyeleri ile artmış, yapraklardaki maksimum azot içeriği 80 kg N ha-1 uygulamasında kaydedilmiştir. Ayrıca, Ödemiş lokasyonunda, yapraklardaki Mg, Zn, ve Mn içeriği, meyvelerde P, Ca, Mg, Fe ve Zn içerikleri azot dozlarından önemli ölçüde etkilenmiştir. Menemende, kontrol karşılaştırıldığında yapraklardaki Mg, Cu ve Zn,alınımı ve meyvedeki Zn alımını azot dozlarından önemli ölçüde etkilenmiştir.

 

 

ABSTRACT

 

Field trials were conducted in two locations: the training fields of the Ege University Odemis Vocational High School and Ege University, Menemen Research, Application and Production Farm, where the effects of different plant densities and nitrogen levels on macro and micro element contents of okra (Abelmoschus esculentus L.) were investigated. The field layout was a split-plot design with three replicates, where the main plots consisted of nitrogen applications and sub-plots of plant densities. Nitrogen fertilizers were applied in the form of urea and ammonium nitrate. Five different nitrogen levels (0, 40, 80, 120 and 160 kg N ha-1) and two different distances between rows (15 cm * 70 cm and 25 cm * 70 cm) were tested. Macro and micro nutrients in fruits and leaves were determined. The N content of the leaves increased with higher nitrogen levels in the Odemis location. The maximum nitrogen content in leaves was determined at the 80 kg N ha-1 application in this location. Additionally, the content of Mg, Zn, and Mn in the leaves and P, Ca, Mg, Fe, and Zn in fruits significantly affected nitrogen doses at the Odemis location. The Mg, Cu and Zn uptake of leaves and Zn uptake in fruit when compared to the control significantly affected nitrogen doses at Menemen.

 

 

 


Keywords


Keywords: Abelmoschus esculentus L.; Inorganic fertilizer; Nutrient content; Planting density.

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DOI: http://dx.doi.org/10.15316/SJAFS.2018.80

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