@article{ author = {Ahmadzadeh, Seyedeh Sedigheh, amirnejad, hamid, hosseini yekani, seyed ali}, title = {Effect of Efficiency Improvement on Pollution Caused by Overuse of Chemical Fertilizers of Rice Cultivation in Guilan Province}, journal = {Agricultural Economics Research}, year = {2022}, volume = {14}, number = {2}, pages = {163-147}, doi = {10.30495/jae.2022.24090.2134} }