Prof. OSMAN S&#214;NMEZ

International Journal of Agricultural and Natural Sciences , vol.18, no.3, pp.332-340, 2025 (Peer-Reviewed Journal)

3. Determination of Some Characteristic Properties of Biochar Obtained from Different Agricultural Wastes

Sayğan E. P., Aydemir S., Bilgili A., Sönmez O.

JOURNAL OF AGRICULTURAL SCIENCES , vol.31, no.3, pp.714-724, 2025 (Scopus) Sustainable Development

4. The Effect of Different Sulphur Sources Applied at Various Rates on Soil pH

Demirbaş H. G., Sönmez O., Demirbaş A., Kılıç F. N.

TURKISH JOURNAL OF AGRICULTURE: FOOD SCIENCE AND TECHNOLOGY , vol.13, no.1, pp.59-64, 2025 (TRDizin)

5. Effects of Different Doses of Biochar Applications on Yield and Nutrient Element Concentrations on Wheat Grown under Salt Stress

CUMHURIYET SCIENCE JOURNAL , vol.45, no.3, pp.543-549, 2024 (TRDizin)

6. Pollutant Effects and Management of Animal Manure

TURKISH JOURNAL OF AGRICULTURE: FOOD SCIENCE AND TECHNOLOGY , vol.12, pp.1467-1475, 2024 (TRDizin)

7. Selection of superior bread wheat genotypes based on grain yield, protein, iron and zinc contents under normal irrigation and terminal drought stress conditions

Fatanatvash S., Bernousi I., Rezaie M., SÖNMEZ O., RAZZAGHI S., Abdi H.

Ecological Genetics and Genomics , vol.31, 2024 (Scopus)

8. The Effect of PGPR Applications on Bioactive Content and Fruit Characteristics of Different Apple Scion–Rootstock Combinations

YAMAN M., YILDIZ E., SÜMBÜL A., ERCİŞLİ S., SÖNMEZ O., GÜNEŞ A., et al.

Erwerbs-Obstbau , vol.65, no.5, pp.1267-1273, 2023 (SCI-Expanded, Scopus) Sustainable Development

9. The Effect of Biofertilizer Applications on Bioactive Content And Fruit Characteristics of Different Apple Scion-Rootstock Combinations

Yaman M., Yıldız E., Say A., Güneş A., Sönmez O., Keçe Y. M., et al.

DER ERWERBSOBSTBAU , pp.1-15, 2023 (SCI-Expanded)

10. Economic study to measure the efficiency of irrigation systems (wheat crop in anbar governorate as a model.

Jassam Z. A., Sönmez O., Eskander H. A., Gökalp Z.

ANNALS OF FOREST RESEARCH , vol.66, no.1, pp.1-15, 2023 (SCI-Expanded, Scopus)

11. Determination of Useful and Total Phosphorus Content of Develi Plain Soils

YILMAZ Y., KILIÇ F. N., SÖNMEZ O.

TURKISH JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH , vol.3, no.2, pp.328-339, 2022 (Peer-Reviewed Journal)

12. Effects of Rhizobacteria Application on Leaf and Fruit Nutrient Content of Different Apple Scion-Rootstock Combinations

YILDIZ E., YAMAN M., ERCİŞLİ S., SÜMBÜL A., SÖNMEZ O., GÜNEŞ A., et al.

HORTICULTURAE , vol.8, no.6, 2022 (SCI-Expanded, Scopus)

13. Elmada Farklı Anaç-Çeşit Kombinasyonlarında Rizobakteri Uygulamasının Meyve Kalite Parametrelerine Etkisi

YAMAN M., YILDIZ E., SÜMBÜL A., SÖNMEZ O.

Çukurova Tarım ve Gıda bilimleri dergisi (Online) , vol.37, no.1, pp.21-29, 2022 (TRDizin) Sustainable Development

14. Influence of semi-arid environment on radiation use efficiency and other growth attributes of lentil crop

ur Rahman M. H., Ahmad I., Wang D., Fahad S., Afzal M., Ghaffar A., et al.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH , vol.28, no.11, pp.13697-13711, 2021 (SCI-Expanded, Scopus) Sustainable Development

15. Toprakta Ağır Metal Kirliliği ve Giderim Yöntemleri

SÖNMEZ O., KILIÇ F. N.

TURKISH JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH , vol.2, 2021 (Peer-Reviewed Journal)

16. Managing Tillage Operation and Manure to Restore Soil Carbon Stocks in Wheat-Maize Cropping System

Khan A., Fahad S., Khan A., Saud S., Adnan M., Wahid F., et al.

AGRONOMY JOURNAL , vol.111, no.5, pp.2600-2609, 2019 (SCI-Expanded, Scopus)

17. The Combined Effects of Nitric Oxide and Thiourea on Plant Growth and Mineral Nutrition of Salt-Stressed Plants of Two Maize Cultivars with Differential Salt Tolerance.

Kaya C., Ashraf M., Sonmez O., Polat T., Tuna A. L.

Journal Of Plant Nutrition , vol.40, pp.1-8, 2019 (SCI-Expanded, Scopus)

18. Kükürt Uygulamalarına Bağlı Olarak Hıyar Bitkisinin (Cucumis Sativus L.) Antioksidant Enzim Aktivitesindeki Değişimler

Sönmez O., Pierzynski G. M.

Journal of the Institute of Science and Technology , vol.9, no.2, pp.1186-1192, 2019 (TRDizin)

19. Harran Ovasındaki Toprak Serilerinin Fosfor Fraksiyonları. . :

Sönmez O., Saygan E.

Erciyes Üniversitesi Fen Bilimleri Dergisi , vol.34, pp.31-40, 2018 (Peer-Reviewed Journal)

20. Exogenous Application of Humic Acid Mitigates Salinity Stress in Maize (Zea mays L.) Plants by Improving some Key Physico-biochemical Attributes.

KAYA C., AKRAM N., ASHRAF M., SÖNMEZ O.

Cereal Research Communications , vol.46, pp.67-78, 2018 (SCI-Expanded, Scopus)

21. Changes in Soil Phosphorus Fractions Resulting from Crop Residue Removal and Phosphorus Fertilizer

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS , vol.48, pp.929-935, 2017 (SCI-Expanded, Scopus) Sustainable Development

22. THE EVALUATION OF DIFFUSIVE GRADIENTS IN THIN FILMS (DGT) AND CaCI2 EXTRACTION ON PHOSPHORUS-ZINC INTERACTION IN SUDAN GRASS

Sönmez O., Pierzynski G. M., Kaya C., Aydemir S.

PAKISTAN JOURNAL OF BOTANY , vol.48, pp.393-397, 2016 (SCI-Expanded, Scopus)

23. The effects of phosphorus addition on phytoavailability of zinc by diffusive gradients in thin films (DGT)

Sönmez O., Pierzynski G., Kaya C., Aydemir S.

TURKISH JOURNAL OF AGRICULTURE AND FORESTRY , vol.40, pp.379-385, 2016 (SCI-Expanded, Scopus, TRDizin)

24. The effects of sulfur, cattle, and poultry manure addition on soil phosphorus

Sönmez O., Turan V., Kaya C.

TURKISH JOURNAL OF AGRICULTURE AND FORESTRY , vol.40, no.4, pp.536-541, 2016 (SCI-Expanded, Scopus, TRDizin)

25. Exogenously applied nitric oxide confers tolerance to salinity-induced oxidative stress in two maize (Zea mays L.) cultivars differing in salinity tolerance

Kaya C., Ashraf M., Sönmez O., Tuna A. L., Aydemir S.

TURKISH JOURNAL OF AGRICULTURE AND FORESTRY , vol.39, pp.909-919, 2015 (SCI-Expanded, Scopus, TRDizin) Sustainable Development

26. Long term corn productivity and composition as a function of phosphorus fertilizer and crop residue removal

Sönmez O., Pıerzynskı G.

JOURNAL OF SOIL AND NATURE , vol.8, pp.18-23, 2015 (Peer-Reviewed Journal) Sustainable Development

27. Promotive effect of exogenously applied thiourea on key physiological parameters and oxidative defense mechanism in salt-stressed Zea mays L. plants

Kaya C., Ashraf M., SÖNMEZ O.

TURKISH JOURNAL OF BOTANY , vol.39, no.5, pp.786-795, 2015 (SCI-Expanded, Scopus, TRDizin)

28. Exogenous application of thiamin promotes growth and antioxidative defense system at initial phases of development in salt-stressed plants of two maize cultivars differing in salinity tolerance

Kaya C., Ashraf M., SÖNMEZ O., Tuna A. L., Polat T., Aydemir S.

ACTA PHYSIOLOGIAE PLANTARUM , vol.37, no.1, 2015 (SCI-Expanded, Scopus) Sustainable Development

29. Exogenous application of mannitol and thiourea regulates plant growth and oxidative stress responses in salt-stressed maize (Zea mays L.)

KAYA C., SÖNMEZ O., AYDEMİR S., ASHRAF M., DİKİLİTAŞ M.

JOURNAL OF PLANT INTERACTIONS , vol.8, no.3, pp.234-241, 2013 (SCI-Expanded, Scopus) Sustainable Development

30. Regulation of growth and some key physiological processes in salt-stressed maize (Zea mays L.) plants by exogenous application of asparagine and glycerol

Kaya C., Aydemir S., Sonmez O., Ashraf M., Dikilitas M.

ACTA BOTANICA CROATICA , vol.72, no.1, pp.157-168, 2013 (SCI-Expanded, Scopus) Sustainable Development

31. Mitigation effects of glycinebetaine on oxidative stress and some key growth parameters of maize exposed to salt stress

KAYA C., SÖNMEZ O., AYDEMİR S., DİKİLİTAŞ M.

TURKISH JOURNAL OF AGRICULTURE AND FORESTRY , vol.37, no.2, pp.188-194, 2013 (SCI-Expanded, Scopus, TRDizin) Sustainable Development

32. COMPARISON OF THREE LABORATORY AND ONE REGRESSION KRIGING METHOD FOR QUANTITATIVE AND QUALITATIVE ASSESSMENT OF SOIL SALINITY IN THE HARRAN PLAIN, SE TURKEY

BİLGİLİ V., AYDEMİR S., SÖNMEZ O., Cullu M. A.

FRESENIUS ENVIRONMENTAL BULLETIN , vol.22, no.5, pp.1339-1350, 2013 (SCI-Expanded, Scopus)

33. Mikoriza ve Farklı Demir Dozları Uygulamasının Çinko Toksisitesi Üzerine Etkileri

SÖNMEZ O., İNAL S.

Harran Üniversitesi Ziraat Fakültesi Dergisi , vol.15, pp.1-12, 2011 (TRDizin)

34. Tarımsal Desteklemede toprak Kalitesi ve Önemi.

BİLGİLİ V., AYDEMİR S., SÖNMEZ O., Kaya C.

Türk Tarım , no.1, pp.40-44, 2010 (Peer-Reviewed Journal)

35. Multivariate Geostatistical Methods for Mapping Soil Salinity.

BİLGİLİ V., Çullu M. A., TURAN V., SÖNMEZ O., AYDEMİR S., Kaya C.

Anadolu Tarım Bilim. Derg , vol.25, no.2, pp.108-113, 2010 (Peer-Reviewed Journal)

36. The influence of arbuscular mycorrhizal colonisation on key growth parameters and fruit yield of pepper plants grown at high salinity

KAYA C., ASHRAF M., SÖNMEZ O., Aydemir S., Tuna A. L., Cullu M. A.

SCIENTIA HORTICULTURAE , vol.121, no.1, pp.1-6, 2009 (SCI-Expanded, Scopus)

37. Mitigation effects of mycorrhiza on boron toxicity in wheat (Triticum durum) plants

SÖNMEZ O., AYDEMİR S., KAYA C.

NEW ZEALAND JOURNAL OF CROP AND HORTICULTURAL SCIENCE , vol.37, no.2, pp.99-104, 2009 (SCI-Expanded, Scopus)

38. A field-based assessment tool for phosphorus losses in runoff in Kansas

Sönmez O., Pıerzynskı G., Frees L., Davıs B., Leıkam D., Sweeney D. W., et al.

JOURNAL OF SOIL AND WATER CONSERVATION , vol.64, pp.212-222, 2009 (SCI-Expanded, Scopus) Sustainable Development

39. Mitigation Effects of Silicon on Maize Plants Grown at High Zinc

KAYA C., TUNA L., SÖNMEZ O., Ince F., Higgs D.

JOURNAL OF PLANT NUTRITION , vol.32, no.10, pp.1788-1798, 2009 (SCI-Expanded, Scopus)

40. Determination of Zinc Phytoavailability in Soil by Diffusive Gradients in Thin Films

SÖNMEZ O., KAYA C., AYDEMİR S.

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS , vol.40, no.21-22, pp.3435-3451, 2009 (SCI-Expanded, Scopus)

41. The assessment of tolerance to heavy metals (Cd,Pb and Zn) and their accumulation in three weed species

Sönmez O., Bükün B., Kaya C., Aydemir S.

PAKISTAN JOURNAL OF BOTANY , vol.40, no.2, pp.747-754, 2008 (SCI-Expanded, Scopus)

42. Ameliorative effect of indigenous calcite on sodium-saturated clay systems

AYDEMİR S., SÖNMEZ O.

SOIL SCIENCE , vol.173, no.2, pp.96-107, 2008 (SCI-Expanded, Scopus)

43. Çinkonun Canlılar İçin Önemi ve Çinko Biyo Yarayışlılığının Belirlenme Yöntemleri

Sönmez O., Aydemir S., İnal S.

Harran Üniversitesi Ziraat Fakültesi Dergisi , vol.12, pp.69-76, 2008 (TRDizin)

44. Kurşun ve Kurşun Biyo Alınabilirliğinin Belirlenmesi

Sönmez O., Aydemir S., Saygan E.

Harran Üniversitesi Ziraat Fakültesi Dergisi , vol.11, pp.1-8, 2007 (TRDizin)

45. Phosphorus and manganese oxides effects on soil lead bioaccessibility: PBET and TCLP

Sönmez O., Pierzynski G. M.

WATER AIR AND SOIL POLLUTION , vol.166, pp.3-16, 2005 (SCI-Expanded, Scopus)

46. Assessment of zinc phytoavailability by diffusive gradients in thin films

Sonmez O., Pierzynski G.

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY , vol.24, pp.934-941, 2005 (SCI-Expanded, Scopus)

47. The effects of commonly used chemical substances on water quality

Aydemir S., Sönmez O., Sakin E.

Harran Üniversitesi Ziraat Fakültesi Dergisi , vol.9, pp.1-10, 2005 (TRDizin)

48. Treatment of contaminated soil with phosphorus and manganese oxide reduces lead absorption by Sprague-Dawley rats

HETTIARACHCHI G., PIERZYNSKI G., OEHME F., SÖNMEZ O., RYAN J.

JOURNAL OF ENVIRONMENTAL QUALITY , vol.32, no.4, pp.1335-1345, 2003 (SCI-Expanded, Scopus)

Papers Presented at Peer-Reviewed Scientific Conferences 69

1. EVALUATION OF GERMINATION PERFORMANCE IN COMMON BEAN (PHASEOLUS VULGARIS) SEEDS TREATED WITH MICROALGAE EXTRACT APPLICATIONS

Kılıç F. N., Kandırmaz N., Sönmez O.

INTERNATIONAL BEYKOZ SCIENTIFIC RESEARCH CONGRESS-II, İstanbul, Turkey, 16 - 17 May 2026, pp.251-267, (Full Text)

2. Evaluation Of The Growth Performance Of Different Ornamental Plants Under Heavy Metal Stress

Kılıç F. N., Özcihan S. N., Sönmez O.

5. INTERNATIONAL GAZİANTEP SCIENTIFIC RESEARCH CONGRESS, Gaziantep, Turkey, 27 - 28 December 2025, pp.300-320, (Summary Text)

3. Arıtma çamurunun sorgum yetiştiriciliğinde kullanım potansiyeli

Karadayı M. K., Sönmez O., Kılıç F. N.

6th International Eurasian Conference on Science, Engineering and Technology, Ankara, Turkey, 25 - 27 June 2025, pp.144, (Summary Text)

4. Evaluating Impacts of Organic Amendments (Cattle and Poultry Manures) and Inorganic Fertilizer on Soil Organic Matter, Soil Fertility, and Wheat Growth

Ouro-Agouda S., Sönmez O.

International Conference in Agriculture, Food Science, Forestry, Horticulture, Aquaculture, Biodiversity, Diyarbakır, Turkey, 30 August 2023, pp.1-2, (Summary Text)

5. POLLUTION REMOVAL WITH DIFFERENT BIOREMEDIATION TECHNIQUES IN HEAVY METAL POLLUTED SOILS

Jasım R., Kılıç F. N., Sönmez O.

10th INTERNATIONAL ZEUGMA CONFERENCE ON SCIENTIFIC RESEARCH, Gaziantep, Turkey, 25 - 26 June 2023, pp.136-137, (Summary Text)

6. Santrali çevreleyen arazilerde bazı ağır metaller (Pb, Cd, Ni, Co, As) ile toprak kirliliği

5TH INTERNATIONAL EURASIAN CONFERENCE ON BIOLOGICAL AND CHEMICAL SCIENCES, Ankara, Turkey, 23 - 25 November 2022, pp.72, (Summary Text)

7. Remediation of Heavy Metal Contaminated Soils.

SÖNMEZ O., ŞENKAYA N.

1st. International Erciyes Agriculture, Animal and Food Sciences Conference (AGANFOS-2019), Kayseri, Turkey, 24 - 27 April 2019, (Full Text)

8. Potential Use of Argano-Minerals for Soil Amendment.

SÖNMEZ O., TURAN V., AYDEMİR S.

1st. International Gobeklitepe Agriculture Congress., Şanlıurfa, Turkey, 25 - 27 November 2019, (Full Text)

9. Biochar Application Effects on Eggplant (Solanum melongena) Growth and Soil Parameters under Saline and Non-Saline Soil Conditions

AYDEMİR S., Özyavuz M., SÖNMEZ O., KAYA C., Yalçın H.

1st International Gobeklitepe Agriculture Congres, 25 - 27 November 2019, (Full Text)

10. Determination of Some Soil and Fruit Characteristics of Pistachio (Pistacia vera L.) Gardens in Siirt

AYDEMİR S., Demirpençe M., SÖNMEZ O.

1st International Gobeklitepe Agriculture Congres, 25 - 27 November 2019, (Full Text)

11. Effect of Reduced Chemical Fertilizer and Leonardite Application on Some Soil Properties and Yield of Cotton (Gossypium spp.) Plant

AYDEMİR S., Demir M., SÖNMEZ O.

1st International Gobeklitepe Agriculture Congres, 25 - 27 November 2019, (Full Text) Sustainable Development

12. Potential Use of Biomass Ash of Low pH Soils

SÖNMEZ O., TURAN V., AYDEMİR S.

International Gobeklitepe Agriculture Congress, Şanlıurfa, Turkey, 25 - 27 November 2019, (Full Text)

13. Effect of Zn Application on P / Zn Ratio in Plants

5th International Eurasian Congress on Natural Nutrition, Healthy Life Sport, 2 - 06 October 2019, (Full Text)

14. Utilization Of Near Infrared Spectroscopy (NIRS) Technique To Determine SomeChemical Properties Of The Biochar Applied Saline And Non-Saline Soils

AYDEMİR S., Aldemir B., BİLGİLİ A. V., KAYA C., SÖNMEZ O., Saygan Ayaydın E. P.

10th International Soil Congress 2019. Successful Transformation toward Land Degradation Neutrality: Future Perspective, Ankara, Turkey, 17 - 19 June 2019, pp.368-373, (Full Text)

15. Bitkilerde Dona Dayanım ve Bor Beslenmesi

International Congress on Agriculture and Animal Sciences, 7 - 09 November 2018, (Full Text)

16. Toprak Fosforunun Yarayışlılığının Artırılmasında Humik Asit, Tavuk Gübresi, Kükürt ve Magnezyum Sülfat Kullanımının Etkileri

International Congress on Agriculture and Animal Sciences, 7 - 09 September 2018, (Full Text) Sustainable Development

17. Fosfor Kirliliğinin Önlenmesinde Fosfor İndeksi Kullanımının Rolü ve Önemi

International Congress on Agriculture and Animal Sciences, 7 - 09 September 2018, (Full Text)

18. Hümik Asit Uygulamasının Buğday Bitkisinin Hormon İçeriği Üzerine Etkisinin Belirlenmesi

GÜNEŞ A., UZUN O., KITIR N., SÖNMEZ O., ÖZGÜL M., TURAN M., et al.

Uluslararası Avrasya Doğal Beslenme ve Sağlıklı Yaşam Zirvesi, Ankara, Turkey, 12 - 15 July 2018, pp.159-160, (Summary Text)

19. The Effect of Different Doses of Sulphur on Soil pH.

International Eurasian Congress on Natural Nutrition and Healthy Life, 12 - 15 July 2018, (Full Text)

20. The Effect of Sulfur Applied in Different Doses on Microbial Activity in Soil.

International Eurasian Congress on Natural Nutrition and Healthy Life, 12 - 15 July 2018, (Full Text)

21. Effects of Humic Acid Applications on Chlorophyll Contents of Spinach Plants

International Eurasian Congress on Natural Nutrition and Healthy Life, 12 - 15 July 2018, (Full Text)

22. Phosphorus for Sustainable Agriculture

SÖNMEZ O., GÜNEŞ A.

International Eurasian Congress on Natural Nutrition and Healthy Life, 12 - 15 July 2018, (Full Text) Sustainable Development

23. Determination of the Effects of Biochar on Eggplant Growth and Chemical Parameters of Non-Saline and Saline Soils

ÖZYAVUZ M., AYDEMİR S., SÖNMEZ O., KAYA C., ALTUN O., AKPİRİNÇ İ., et al.

1. INTERNATIONAL GAP AGRICULTURE AND LIVESTOCK CONGRESS, 25 - 27 April 2018, (Summary Text)

24. Effects of Humic Acid Treatments on Amino acid Contents of Spinach(Spinacia oleracea L.)

GÜNEŞ A., UZUN O., SÖNMEZ O., TOHUMCU F., SARI S., BAŞARAN M., et al.

1. INTERNATIONAL GAP AGRICULTURE LIVESTOCK CONGRESS, Şanlıurfa, Turkey, 25 - 27 April 2018, pp.401, (Summary Text)

25. The Impact of Different Biochar Materials on Selected Soil Physical Parameters of the Harran Plain Clay Soils

ALTUN O., AYDEMİR S., BİLGİLİ A. V., SÖNMEZ O., KAYA C., AYAYDIN E. P., et al.

1. INTERNATIONAL GAP AGRICULTURE AND LIVESTOCK CONGRESS, 25 - 27 April 2018, (Summary Text)

26. The Effects of Sulfur Application on Antioxidant Enzyme Activity of Cucumber (Cucumis sativus L.) Plants.

GÜNEŞ A., SÖNMEZ O., UZUN O., Özgül M., Horuz A., TOHUMCU F., et al.

1st International GAP Agriculture and Livestock Congress. April 25-27, 2018, Şanlıurfa/ TURKEY., Şanlıurfa, Turkey, 25 - 27 April 2018, pp.1, (Summary Text)

27. The Effect of Sulfur Application on Antioxidant Enzyme Activity of Cucumber (Cucumis sativus L.) Plants

GÜNEŞ A., SÖNMEZ O., UZUN O., ÖZGÜL M., HORUZ A., TOHUMCU F., et al.

1. INTERNATIONAL GAP AGRICULTURE LIVESTOCK CONGRESS, Şanlıurfa, Turkey, 25 - 27 April 2018, pp.400, (Summary Text)

28. The Effects of Humic Acid Treatments on Amino Acid Contents of Spinach (Spinacia oleracea L.).

GÜNEŞ A., UZUN O., SÖNMEZ O., TOHUMCU F., Sarı S., BAŞARAN M., et al.

1st International GAP Agriculture and Livestock Congress. April 25-27, 2018, Şanlıurfa/ TURKEY., Şanlıurfa, Turkey, 25 - 27 April 2018, pp.1, (Summary Text)

29. The Impact of Different Types of Biochar Applications on Pepper and Soil Parameters Under Saline and Non-saline Conditions in the Harran Plain

AKPİRİNÇ İ., AYDEMİR S., BİLGİLİ A. V., SÖNMEZ O., KAYA C., ALTUN O., et al.

1. INTERNATIONAL GAP AGRICULTURE AND LIVESTOCK CONGRESS, 25 - 27 April 2018, (Summary Text)

30. Invited Key Speaker.Phosphorus Pollution in Soil and Phosphorus-Index in Climate Change.

1st International Conference on Climate Change Impacts on Agriculture and Food Supply. April 24-26, 2018, Swabi University, Khyber Pakhtunkhwa/ PAKİSTAN., Khyber Pakhtunkhwa, Pakistan, 24 - 26 April 2018, pp.1, (Full Text) Sustainable Development

31. Phosphorus Pollution In Soil And Phosphorus Index In Climate Change

SÖNMEZ O., TURAN V.

1st International Conference on CLIMATE CHANGE IMPACTS ONAGRICULTURE AND FOOD SUPPLY(IC3AF-2018), 24 - 26 April 2018, (Summary Text) Sustainable Development

32. IDENTIFICATION OF SITE VULNAREBILITY FOR PHOSPHORUS

SÖNMEZ O., GÜNEŞ A., KAYA C., AYDEMİR S.

3rd INTERNATIONAL CONFERENCE ON ENVIRONMENTAL SCIENCE AND TECHNOLOGY (ICOEST), Budapest, Hungary, 19 October 2017 - 23 January 2018, (Summary Text)

33. Ion Chromatographic Dtermination of Nitrate Pollutant in Drinking Water Samples

ŞAHAN S., SÖNMEZ O., ŞAHİN U., BAŞARAN M., UZUN O.

ECOLOGY 2017, 11 May - 13 December 2017, (Summary Text)

34. Effects of Humic Acid Applications Doses on Protein Content of Corn Silage

GÜNEŞ A., SÖNMEZ O., BEYZİ E., UZUN O., TURAN M.

International Congress of Agriculture and Environment, 16 - 18 November 2017, (Summary Text)

35. Ion Chromatographic Dtermination of Nitrate Pollutant in Drinking Water Samples.

ŞAHAN S., SÖNMEZ O., ŞAHİN U., BAŞARAN M., UZUN O.

ECOLOGY 2017, 11 - 13 May 2017, (Summary Text)

36. Urban transformation and reduction of the use of fertile agriculturalland in urbanization

TURAN V., SÖNMEZ O.

9th international congressSoils of Urban Industrial Traffic Mining and Military Areas, 22 - 26 May 2017, (Summary Text) Sustainable Development

37. Comparisons of agricultural incidents during urbanization

TURAN V., SÖNMEZ O.

9th international congressSoils of Urban Industrial Traffic Mining and Military Areas, 22 - 26 May 2017, (Summary Text)

38. Some Soil Physical and Chemical Properties in Harran Plain

SÖNMEZ O., KAYA C., ŞAHAN S., GÜNEŞ A.

International Conference on Agriculture, Forest, Food Sciences and Technologies, (ICAFOF), 15 - 17 May 2017, (Summary Text)

39. Total and Bioavailable Phosphorus in Harran Plain

SÖNMEZ O., KAYA C., GÜNEŞ A., ŞAHAN S.

International Conference on Agriculture, Forest, Food Sciences and Technologies, (ICAFOF), 15 - 17 May 2017, (Summary Text)

40. Determination of The Effects of Humic Acid Applications on Heavy Metal Contents of Soil

GÜNEŞ A., SÖNMEZ O., UZUN O., ŞAHAN S., TOHUMCU F., BAŞARAN M., et al.

ECOLOGY 2017, 11 - 13 May 2017, (Summary Text)

41. Determination of Some Soil Parameters by Geostatistical Techniques in Harran Plain

SÖNMEZ O., ŞENER GÜZEL G., TURAN V., GÜNEŞ A., SAHAN S., BAŞARAN M.

ECOLOGY 2017, 11 - 13 May 2017, (Summary Text)

42. Effects of Soil Chemical and Physical Properties on Total and Available Phosphorus P in Soil November 8 10 2016 Riyadh SAUDI ARABIA

6th International Chemistry Conference., Riyadh, Saudi Arabia, 8 - 10 November 2016, (Summary Text)

43. Effects of Tillage and Phosphorus Rates on Wheat Yield and Soil P Oral presentation October 18 23 2016 Skopje MACEDONIA

II. International Conference on Sustainable Development., Skopje, Macedonia, 18 - 23 October 2016, (Summary Text)

44. Phosphorus Losses Influenced by Irrigation Efficiency Tillage and Phosphorus Rate

BİLGİLİ V., SÖNMEZ O., AYDEMİR S.

II. International Conference on Sustainable Development., Skopje, Macedonia, 18 - 23 October 2016, (Full Text)

45. Effects of PGPR and Humic Acid Applications on Antioxidante Enzyme Activity and Physiological Parameters of Spinach

GÜNEŞ A., UZUN O., BAŞARAN M., SÖNMEZ O., TURAN M.

EUROSOİL, 16 - 21 October 2016, (Summary Text)

46. Effects of PGPR and Humic Acid Applications on Antioxidante Enzyme Activity and Physiological Parameters of Spinacia

Gunes A., Uzun O., Basaran M., SÖNMEZ O., TURAN M.

Eurosoil 2016, İstanbul, Turkey, 16 - 21 October 2016, pp.156, (Summary Text)

47. Effects of PGPR and Humic AcidApplications on Antioxidante Enzyme Activity and Physiological Parameters of Spinach Spinaciaoleracea L

GÜNEŞ A., UZUN O., BAŞARAN M., SÖNMEZ O., TURAN M.

Eurosoil, 17 - 22 July 2016, (Summary Text)

48. Aminolevulinic acid improves salinity-induced photo- protection mechanisms in two corn differing cultivars in salinity tolerance

Kaya C., Ashraf M., Şenbayram M., SÖNMEZ O.

Deutschen Gesellschaftfür Pflanzenernahrung (DGP) Tagung 2015. Boden, Nahrstoffe, Wasser- Forschung für die nachhaltige und effiziente Nutzung von Ressourcen, Göttingen, Germany, 17 - 18 September 2015, pp.1, (Summary Text)

49. Effect of Biochars on Salinity Stress on Germination and Seedling Properties of Drum Wheat (T. Drum Desf.)

AYDEMİR S., SAYGAN E., SÖNMEZ O., BİLGİLİ V.

8th International Soil Science Congress on ‘Land Degradation and Challenges in Sustainable Soil Management’. May 15-17, 2012, Çeşme-İzmir/ TURKEY., İzmir, Turkey, 15 May 2012 - 18 September 2015, pp.1, (Summary Text) Sustainable Development

50. Aminolevulinic acid improves salinity induced photo protection mechanisms in two corn differing cultivars in salinity tolerance

Kaya C., Ashraf M., Senbayram M., Sönmez O.

Deutschen Gesellschaft für Pflanzenernährung (DGP) Tagung 2015. Boden, Nährstoffe, Wasser– Forschung für die nachhaltige und effiziente Nutzung von Ressourcen 17.–18.September 2015, Göttingen/ GERMANY., Göttingen, Germany, 17 - 18 September 2015, pp.1-3, (Summary Text)

51. Soil phosphorus fractions in Harran Plain. Poster Presentation.

SÖNMEZ O., KAYA C., AYDEMİR S., POLAT T., ŞENER GÜZEL G.

9th International Soil Science Congress on ‘The Soul of Soil and Civilization’. October 14-16, 2014, Side, Antalya/ TURKEY, Antalya, Turkey, 14 - 16 October 2014, pp.1, (Summary Text)

52. Regulation of growth and some vital physiological processes in salt stressed maize (Zea mays L.) plants by exogenous application of plant growth compounds.

KAYA C., SÖNMEZ O., ASHRAF M., TUNA L.

9th International Soil Science Congress on ‘The Soul of Soil and Civilization’. October 14-16, 2014, Side, Antalya/ TURKEY, Antalya, Turkey, 14 - 16 October 2014, pp.1, (Full Text)

53. Effects of different soil amendments on total phosphorus availability

TURAN V., SÖNMEZ O.

9th International Soil Science Congress on ‘The Soul of Soil and Civilization’. October 14-16, 2014, Side, Antalya/ TURKEY, Antalya, Turkey, 14 - 16 October 2014, pp.1, (Summary Text)

54. Biochar effects on saline and none-saline soil properties of the Harran Plain Southeastern Turkey

AYDEMİR S., SÖNMEZ O., KAYA C., SAYGAN E., Altun O.

9th International Soil Science Congress on ‘The Soul of Soil and Civilization’. October 14-16, 2014, Side, Antalya/ TURKEY, Antalya, Turkey, 14 - 16 October 2014, pp.1, (Summary Text)

55. The use of some organic and inorganic substances to reduce phosphorus fixation in calcareous soils

Kaya C., TUNA L., SÖNMEZ O., AYDEMİR S.

8th International Soil Science Congress on ‘Land Degradation and Challenges in Sustainable Soil Management’. May 15-17, 2012, Çeşme-İzmir/ TURKEY., İzmir, Turkey, 15 - 17 May 2012, pp.1, (Summary Text)

56. Phosphorus Budget and Sediment Phosphorus Release Dynamics of a Shallow Lake: Lake Yeniçağa (Bolu, Turkey).

Güngör K., Karakaş D., Evrendilek F., Cebel H., Karakaya N., Başkan O., et al.

1st International Conference on Sustainable Watershed Management. 19-23 September 2011 Istanbul-TURKEY, İstanbul, Turkey, 19 - 23 September 2011, pp.1, (Summary Text)

57. Using Soil Olsen Phosphorus Levels as a Screening Tool for Determination of Potential Critical Source Areas : Yeniçağa Watershed Case Study (Bolu, Turkey).

Güngör K., Karakaya N., Evrendilek F., Karakaş D., Akgül S., Başkan O., et al.

1st International Conference on Sustainable Watershed Management. 19-23 September 2011 Istanbul-TURKEY, İstanbul, Turkey, 19 - 23 September 2011, pp.1, (Summary Text)

58. Tuzlanma Etkisinde kalan Şanlıurfa- Harran Ovası topraklarının kullanım durumları ve iyileştirilebilme olanakları..Sulama-Tuzlanma Konferansı.

AYDEMİR S., POLAT T., SÖNMEZ O., DİKİLİTAŞ M.

DSİ XV. Bölge Müdürlüğü, Sayfa, 45-62. 12-13 Haziran, Şanlıurfa., Şanlıurfa, Turkey, 12 - 13 June 2008, pp.46-62, (Full Text)

59. Geostatistical analysis of a water well field for determination of land management constraints,

19th. International Soil Meeting on Soil Fertility Land Management and Agroclimatology. Turkey,. p: 1033-1046. Soil Science Society of Turkey Meetings. Samsun-TURKEY., Samsun, Turkey, 18 - 21 May 2008, pp.1033-1046, (Summary Text)

60. Assessment of Site Vulnerability to P Losses. An Overview

SÖNMEZ O., AYDEMİR S.

. International Soil Meeting (ISM) on Soil Sustaining Life on Earth, Managing Soil and Technology. Soil Science Society of Turkey Meetings Şanlıurfa-TURKEY., Şanlıurfa, Turkey, 22 - 26 May 2006, pp.1, (Summary Text)

61. Environmental Risk of Phosphorus and Management Strategies (Overview).

SÖNMEZ O., AYDEMİR S.

International Soil Meeting (ISM) on Soil Sustaining Life on Earth, Managing Soil and Technology. Soil Science Society of Turkey Meetings. Sanlıurfa-TURKEY., Şanlıurfa, Turkey, 22 - 26 May 2006, pp.1, (Summary Text)

62. Şanlıurfa Harran Ovasındaki Tuzlu ve Tuzlu-Sodik Topraklar ve Muhtemel Oluşum Mekanizmaları.

AYDEMİR S., Çullu M. A., SÖNMEZ O., DİKİLİTAŞ M.

II. Ulusal Sulama Sistemleri Sempozyumu ve Sergisi. DSİ Genel Müdürlüğü, Kasım 07-09. Ankara., Ankara, Turkey, 7 - 09 November 2005, pp.1, (Full Text)

63. Assessment of Bioavailability of Zinc by Diffusive Gradients in Thin Films (DGT). Poster Presentation (S-11, Board Number: 1631)

Soil Science Society of America Annual Meetings. Denver, CO-USA., Denver, United States Of America, 2 - 06 November 2003, pp.1, (Full Text)

64. A Field Assessment Tool for Phosphorus Losses in Runoff in Kansas. Poster Presentation (S-11, Board Number:1422).

Soil Science Society of America Annual Meetings, Indianapolis, IN-USA., Indianapolis, United States Of America, 10 - 14 November 2002, pp.1, (Full Text)

65. Effects of Phosphorus and Manganese Oxides on Soil Lead Bioavailability. Poster Presentation (S-11, Board Number: 1408).

Pierzynski G. M., HETTIARACHCHI G. M., SÖNMEZ O.

Soil Science Society of America Annual Meetings. Charlotte, NC- USA., North Carolina, United States Of America, 21 - 25 October 2001, pp.1, (Full Text)

66. In situ stabilization of soil lead using phosphorus and other soil amendments.

Abstracts of papers of the American Chemical Society 222: U67-U68 95-AGRO Part 1, AUG 2001., Boston, United States Of America, 1 - 03 August 2001, pp.1, (Summary Text)

67. Absorption of lead from a contaminated soil treated with phosphorus and manganese oxides by Sprague-Dawley rats.

HETTIARACHCHI G. M., Pierzynski G. M., Oehme F., SÖNMEZ O.

International Conference on The Biogeochemistry of Trace Elements., Guelp, Canada, 29 July - 02 August 2001, pp.1, (Full Text)

68. The Influence of Phosphorus Fertilizer and Crop Residue Removal on Soil Phosphorus Fractions.

KILIÇ F. N., KILIÇ ÖZEL H. N., SÖNMEZ O.

Soil Science Society of America Annual Meetings. Baltimore, Maryland-USA., Maryland, United States Of America, 14 - 19 October 1998, pp.1, (Full Text) Sustainable Development

69. Effects of Poultry Manure and Straw on some agronomic parameters, yield and NPK content of wheat crop grown under climatic conditions of Nevsehir region.

Brohi A. R., Aktaş A., SÖNMEZ O., Savaşlı E.

European Society for New Methods in Agricultural Research: ESNA XXVI. Annual Meeting and International Union of Radioecologists (IUR) Working Group Soil – to – Plant Transfer Annual Meeting. September 12-16., Roma, Italy, 12 - 16 September 1996, pp.1, (Summary Text)

Books 14

1. Hayvansal Gübre Uygulamalarının Toprak Kimyasal Süreçlerindeki Rolü

in: Tarım, Orman ve Su Bilimlerinde Çağdaş ve Yenilikçi Araştırmalar, All Sciences Academy, pp.5-19, 2026

2. Ağır Metallerin Çevresel Risk Karakterizasyonunda Kirlilik İndeksleri

KILIÇ F. N., SÖNMEZ O.

in: Ziraat, Orman ve Su Ürünleri Alanında Güncel Metodolojik Yaklaşımlar, Platanus Publishing, pp.137-149, 2026

3. Tarımsal Sürdürülebilirlikte Mikroalglerin Rolü

in: Toprak Bilimi ve Bitki Besleme Alanında Uluslararası Araştırmalar-II, ÇELİK AHMET, Editor, Eğitim Yayınevi, Ankara, pp.91-104, 2025

4. AGRICULTURAL SOURCE GREENHOUSE GASES

in: International Research in the Field of Soil Science and Plant Nutrition, Korkmaz BELLİTÜRK, Editor, eğitim yayınevi, Ankara, pp.1-13, 2025

5. Ağır Metal Kirliliğinde Biyolojik Temelli Giderim Teknikleri