بررﺳﯽ راﻧﺪﻣﺎن ﻓﺴﻔﺮ و وﯾﮋﮔﯽ ﻫﺎی ﻣﻮرﻓﻮﻟﻮژﯾﮏ درگیاه ذرت ﺗﺤﺖ ﺗﺎﺛﯿﺮ ﻣﻮاد اﺻﻼح ﮐﻨﻨﺪه در ﺗﺮﮐﯿﺐ ﺑﺎ ﮐﻮد فسفات آﻣﻮﻧﯿﻮم

Evaluation of phosphorous efficiency and morphological characteristics of maize (Zea mays L.) under material modifiers in combination with ammonium phosphate fertilize