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Mission
CIEC (Centre International des Engrais Chimiques) is the oldest scientific organization solemnly dedicated to all issues of fertilizers and fertilization. CIEC was founded in 1932/1933 at the first International Scientific Conferences for Fertilizers in Rome and Amsterdam. CIEC is a non-profit, non-governmental organization (NGO) and actually organized as a task force with membership on invitation only. CIEC was merged with CIEC-ASIA (founded in 2016) in 2019. CIEC provides annual events to present and discuss scientific issues of fertilizer research and encourage international networking between stakeholders in science, industry, and politics.
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Events
2025
51st CIEC International Fertilizer Conference
The 51st CIEC International Fertilizer Conference will be held from 20 to 22 October 2025 in Tunis, Tunisia, and is hosted by the University of Carthage (UCAR) in Tunis. The topic of the 51st International Fertilizer Conference is "Towards the future of efficient fertilizer use in the Maghreb States".
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History
50th CIEC International Fertilizer Conference
CIEC's Ecology Mission
CIEC's 31st Symposium
CIEC's 32nd Symposium
2022 Nanjing (PRC) CCFEA Forum
2020 Athens (Greece) 28th Symposium
2021 Shenyang (PRC) 29th Symposium
2019 Guilin (PRC) 27th Symposium
2019 Braunschweig (GER) 26th Symposium
2018 Shenyang (PRC) 17th World Fertilizer Congress
2017 Groningen (NL) 25th Symposium
2016 Coimbra (PT) 24th Symposium (Linyn)
2015 Son (NO) 23rd Symposium
2013 Helsinki (FIN) 22nd Symposium
2014 Rio (BRA) 16th World Fertilizer Congress
2013 Bari (I) 21st Symposium
2012 Santa Clara (CUB) 20th Symposium
2011 Goslar (GER) 19th Symposium
2010 Bucharest (RO) 15th World Fertilizer Congress
2008 Cairo (EGY) 17th Symposium
2009 Rome (I) 18th Symposium
2007 Ghent (BE) 16th Symposium
2006 Chiang Mai (TAI) 14th World Fertilizer Congress
2005 Sabbat Year of CIEC
2004 Pretoria (RSA) 15th Symposium
2003 Debrecen (HUN) 14th Symposium
2002 Tokat (TUR) 13th Symposium
2001 Beijing (PRC) 12 World Fertilizer Congress
2000 Suceava (RO) 12th Symposium
1999 Sabbat Year of CIEC
1998 Pulawy (PL) 11th Symposium
1997 Ghent (BE) 11th World Fertilizer Congress
1996 Vienna (AUS) 19th General Assembly
1996 Braunschweig (GER) 10th Symposium
1995 Kusadasi (TR) 9th Symposium
1994 Salamanca (ESP) 8th Symposium
1994 Berlin (GER) 7th Symposium
1990 Nicosia (ZYP) 10th World Fertilizer Congress
1990 Nicosia (ZYP) 6th Symposium
1987 Balatonfüred (HUN) 5th Symposium
1984 Budapest (HUN) 9th World Fertilizer Congress
1987 Braunschweig (GER) 4th Symposium
1979 Benghazi (LYB) 3rd Symposium
1978 Vienna (A) 2nd Symposium
1977 Vienna (A) 1st Symposium
1976 Moscow (RUS) 8th World Fertilizer Congress
1972 Vienna (A) 7th World Fertilizer Congress
1968 Lisbon (P) 6th World Fertilizer Congress
1953 Darmstadt (GER) Liebig’s 150th anniversary
1934 Berne (CH) 3rd International Scientific Conference
1933 Amsterdam (NL) 2nd International Scientific Conference
1932 Rome (I), 1st International Scientific Conference
1964 Zurich (CH) 5th World Fertilizer Congress
1961 Opatija (KRV) 4th World Fertilizer Congress
1957 Heidelberg (GER) 3th World Fertilizer Congress
1951 Rome (I) 2nd World Fertilizer Congress
1938 Rome (I) 1st World Fertilizer Congress
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Staff
Lanzhu JI
President of CIEC
Prof. Dr. Lanzhu Ji, born July 22, 1960 in Liaoning, P.R. China. BA in Forest Protection at the Northeast Forestry University, PhD in Ecology at the University of the Chinese Academy of Sciences (CAS). Professor of Ecology and Entomology at the Institute of Applied Ecology, CAS, Head of Shenyang Branch of CAS. Member of the Standing Committee of Liaoning Provincial People's Congress, Chairman of the Ecological Society of Liaoning Province. President of International Scientific Centre for Fertilizers (CIEC) in Shenyang, P.R. China.
Lili ZHANG
Deputy-President of CIEC
Dr. Lili Zhang, born in June, 1977 in Heilongjiang, China; Ph. D. Supervisor; PhD and DSc in soil science. Deputy Director of Agricultural Center and Group leader of Plant Nutrition and fertilizer of Institute of Applied Ecology Chinese Academy of Sciences in Shenyang, China. Executive Director of Plant Nutrition and Fertilizer Academy，Executive Director of Chinese Soil Academy, Secretary-General of Liaoning Soil Academy. Vice President of The International Scientific Center for Fertilizers (CIEC) in Shenyang, P.R. China.
Xiaoyu SHI
Deputy-President of CIEC
Xiaoyu Shi, born on August 27, 1987 in Liaoning Province, P.R. China. Hons. B.P. in Planning. MSc in Agronomy. General manager of Liaoning Zhongke Bio-engineering Co.Ltd. Vice President of The International Scientific Centre for Fertilizers (CIEC) in Shenyang, P.R. China.
Ewald SCHNUG
Honorary-President of CIEC
Prof. Dr. mult. Dr. mult. Ewald Schnug, born September 7, 1954 in Hachenburg, Germany; MSc in plant production, PhD and DSc in plant nutrition, DSc in natural sciences. Honorary doctor of the Romanian Academy of Agricultural Sciences. Honorary President of The International Scientific Centre for Fertilizers (CIEC) in Shenyang, P.R. China. Distinguished Scientist Chinese Academy of Sciences (CAS), Visiting professor at the Institute of Applied Ecology CAS in Shenyang, China. Latest official post: Director of JKI-PB in Braunschweig, Germany and extraordinary Professor at the Technical University in Braunschweig, Germany.
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