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THE INFLUENCE OF AGROECOLOGICALCONDITIONS ON CHEMICAL COMPOSITIONOF QUINOA SEED (CHENOPODIUM QUINOAWILL.)Đorđe Glamočlija 1 , Mirjana Milovanović 1 , JelaIkanović 1 , Gordana Dražić 2 , Biljana Vucelić Radović 1 ,Radmila Stikić 1 , Marija Davidović 31 Faculty of Agriculture, Belgrade, Serbia,2 Faculty for Applied Ecology Futura, University Singidunum,Belgrade, Serbia,3 Institute for Science Application in Agriculture, Belgrade,SerbiaAbstract: The research included two Danish quinoa varieties, plantspecies native to Andean countries of South America. They are KVL37 and KVL 52. Quinoa is characterized by a high nutritional valuethat are reflected in higher total protein content, 12-18%. Highnutrient value of seeds contributes to the absence of gluten proteinthat causes Allergologic and digestive problems.The trials were placed at two locations - Homolje and eastern Srem,on the two types of soil - chernozem and smonitza and two cropdensity - 600,000 and 300,000 plants per hectare.The results showed that the examined factors significantly affect thechemical composition of seeds. At the highest content of total proteinwas influenced by variety. The variety KVL 37 in seed was 15.19%,and 52 variety KVL 16.83%. Crop density is also influenced thisvalue. Total lipid content varied from 4.2% to 4.9%. Cellulosecontent in the overall average was 9.2%. Seeds of both varietieshave a high content of valuable macroelements. KVL 37 cultivargave a higher yield by about 32%, but its seed resulted in about 2%less protein.Key words: quinoa/agroecological conditions/crop density/cultivar/ chemical compositions~ 296 ~