Mehmet Ali GÜRBÜZ, Tuğçe Ayşe KARDEŞ, Ulviye ÇEBİ

Fosforun Belirlenmesinde Çoklu Ekstraksiyon Yöntemlerinin Buğday Bitkisinde Kullanılabilirliğinin Toprak ve Bitki Analizleri ile Değerlendirilmesi

Fosfor ekstraksiyonu ve analizi besin elementleri içerisinde en önemlisi sayılabilir. Bu yüzden asit topraklarda ayrı, alkalin topraklarda ayrı ekstraksiyon yöntemleri kullanılarak analizi rutin hale gelmiştir. Çoklu ekstraksiyon yöntemleri üzerine araştırma çalışmalarının yoğunlaştığı ve kullanıma geçildiği günümüzde de bu konu önem arzetmektedir.

Anahtar Kelimeler:

toprak fosfor analizi, çoklu ekstraksiyon, buğday

Assessment of the Availability of the Multinutrient Extraction Methods for Wheat Plant for the Determining Phosphorus by Soil and Plant Analysis

Phosphorus analysis and extraction of phosphorus can be considered the most important in the plant nutrients. Therefore different phosphorus extraction methods has become routine for acidic and alkaline soils. Due to the studies focus on multinutrient extraction methods and transition to the use of these methods, this issue have importance at the present time. This study is conducted at 13 locations in Thrace where the soil is both acidic (3) and alkaline(10). Soil and plant samples taken from the trials are analyzed and assessed. Bray and Kurtz method was used in acidic soils and Olsen method was used in alkaline soils for the routine phosphorus analysis. Mehlich-3, ammonium bicarbonate - DTPA (ABDTPA), acid ammonium acetate-EDTA (AAAC-EDTA) and Yanai methods was used as multinutrient extraction methods for all of the soil samples. Analysis results was obtained and correlation coefficient was calculated between routine methods and multinutrient extraction methods. Likewise, the relationship between routine and multinutrient extraction methods was determined by the amount of phosphorus in plant.

Keywords:

soil phosphorus analysis, multinutrient extaction, wheat,

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