SOIL Studies

SOIL Studies

2015, Vol 4, Num, 1     (Pages: 001-006)

The Effects of Different Surfactants on Soybean Plant Dry Weight

İlknur YURDAKUL 1 ,Kadriye KALINBACAK 2 ,İbrahim GEDİKOĞLU 3

1 Toprak Gübre ve Su Kaynakları Merkez Araştırma Enstitüsü Müdürlüğü, Ankara
2 T.C. Gıda Tarım ve Hayvancılık Bakanlığı, Tarımsal Araştırmalar ve Politikalar Genel Müdürlüğü, Ankara
3 T.C. Gençlik ve Spor Bakanlığı, İl Müdürlüğü, Ankara

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The first using of detergents to intercept epidemic diseases and clean materials with a majority is in 1960s. Detergents remain in water and earth without decomposing. These contaminated waters affect growing plants badly and threaten the livings in rivers, lakes and seas and the health of people. These substances play an important role in natural and environmental pollution. The compulsion of taking precautions arises. This study has been realized with the purpose of being determined the effects of anionic, cationic and nonionic surfactants to the development of soybean. The soil of greenhouse, used for the study is within the scope of much lime and potassium, light alkali reactive, little organic material and phosphorus, clay and without salt. The research was conducted as randomized split parcels with 3 repetitives in greenhouse. Testing was designed with the addition of 180 mg N kg-1 (26% Ammonium Nitrate) and 100 mg P kg-1 (42–44 % triple super phosphate). After soybean sowing, surfactants were applied to the pots with varying degrees 0, 180, 360, 540 and 720 mg kg-1. Soybean was harvested 50 days later from sowing. Anionic and nonionic surfactants caused a decrease dry weight of soybean shoots (p< 0.01). Cationic surfactant did not cause to decrease dry weight of the plant significantly. Dry weight of soybean is limited and reduced the by anionic and nonionic surfactants. Soybean plant was determined to be sensitive anionic and nonionic compounds. According to the results of this study these surfactants negatively affect the growth of plant especially in root area.


Keywords : Anionic, nonionic surfactants, cationic, greenhouse, soybean (Glycine max L.)