Bozkurt, M. A. Et Al. 2004. The influence of humic acid application in high nitrogen levels on the yield, nitrate and nutrient contents in lettuce. International Soil Congress (ISC) on “Natural Resource Management for Sustainable Development , (Erzurum, Turkey), 58-63.

Bozkurt, M. A., Türkmen, Ö., Yıldız, M., & Çimrin, K. M., (2004). The influence of humic acid application in high nitrogen levels on the yield, nitrate and nutrient contents in lettuce . International Soil Congress (ISC) on “Natural Resource Management for Sustainable Development (pp.58-63). Erzurum, Turkey

Bozkurt, Mehmet Et Al. "The influence of humic acid application in high nitrogen levels on the yield, nitrate and nutrient contents in lettuce," International Soil Congress (ISC) on “Natural Resource Management for Sustainable Development, Erzurum, Turkey, 2004

Bozkurt, Mehmet A. Et Al. "The influence of humic acid application in high nitrogen levels on the yield, nitrate and nutrient contents in lettuce." International Soil Congress (ISC) on “Natural Resource Management for Sustainable Development , Erzurum, Turkey, pp.58-63, 2004

Bozkurt, M. A. Et Al. (2004) . "The influence of humic acid application in high nitrogen levels on the yield, nitrate and nutrient contents in lettuce." International Soil Congress (ISC) on “Natural Resource Management for Sustainable Development , Erzurum, Turkey, pp.58-63.

@conferencepaper{conferencepaper, author={Mehmet Ali Bozkurt Et Al. }, title={The influence of humic acid application in high nitrogen levels on the yield, nitrate and nutrient contents in lettuce}, congress name={International Soil Congress (ISC) on “Natural Resource Management for Sustainable Development}, city={Erzurum}, country={Turkey}, year={2004}, pages={58-63} }