اﺛﺮ ﻣﻘﺎدﯾﺮ ﻣﺨﺘﻠﻒ ﮐﻮدﻫﺎی ﭘﺘﺎﺳﯿﻢ و ﻧﯿﺘﺮوژن ﺑﺮ ﻋﻤﻠﮑﺮد و اﺟﺰای ﻋﻤﻠﮑﺮد ﮐﻠﺰا ﺑﻪ ﻋﻨﻮان ﮐﺸﺖ دوم در ﻣﻨﻄﻘﻪ ﮔﯿﻼن

Effect of different amounts of potassium and nitrogen fertilizers on yield and yield components of rapeseed as second cropping in Guilan region