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Effects of humic acid amendments originating from leonardite and plants on soil pH

Başlık çevirisi mevcut değil.

  1. Tez No: 721180
  2. Yazar: ABDULLAH SARIMEHMETOĞLU
  3. Danışmanlar: DR. ANDY SMİTH
  4. Tez Türü: Yüksek Lisans
  5. Konular: Ormancılık ve Orman Mühendisliği, Çevre Mühendisliği, Forestry and Forest Engineering, Environmental Engineering
  6. Anahtar Kelimeler: Belirtilmemiş.
  7. Yıl: 2020
  8. Dil: İngilizce
  9. Üniversite: University of Wales-Bangor College
  10. Enstitü: Yurtdışı Enstitü
  11. Ana Bilim Dalı: Belirtilmemiş.
  12. Bilim Dalı: Belirtilmemiş.
  13. Sayfa Sayısı: 76

Özet

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Özet (Çeviri)

Humic acids (HA) are a significant component of soil that can increase the availability of nutrients and have an effect on other important soil chemicals, biological and physical properties. The study aim is to demonstrate the effects of HA amendments originating from leonardite and plants on soil pH and experiments were conducted in 2020 at the laboratory of Forest Soil and Ecology Research Institute in Eskişehir, Turkey. Ten soil samples to a depth of 80 cm were collected from the Turgutlar, Tepebası and Erenkoy areas (30 in total) located in Eskişehir to determine the effect of HA amendments to soil pH. Texture, pH, N, P, Ca, Mg, K, Na, P, Zn, Cu and Fe analysis have been done in soil samples for determining chemical and physical the difference. After the chemical and physical analysis, the concentration (1%, 2,5% and 5%) of that HA was prepared. The soil samples were measured as 10 g for putting on the container. Afterwards, each the volume (1, 3 and 5 ml/10g) was added from each concentration for leonardite-sourced and plant-sourced HA. The data obtained were analysed using SPSS statistics software. The results demonstrated according to chemical and physical analysis on all samples, some of the elements were similar whilst others were significantly different. Alongside this, according to HA application result, pH difference before and after application of plant-sourced HA is higher than leonardite-sourced HA. The downward trend in soil pH of all three types of the area was consistent, but the greatest change was observed on plant-sourced HA with 141,9 mg/kg dose. The best treatment combination for leonarditesourced HA was observed in the 5,6 mg/kg applications. The result recommended that HA have great potential to decrease the soil pH on arid and semi-arid areas. Especially plantsourced HA appeared to be highly effective to reduce soil pH alkaline condition.

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