Aktual'noe sostojanie issledovanij v Pol'she po nuzhdaemosti v udobrenii mikroehlementami ogorodnichix kul'tur i predusmatrivaemye puti dal'nejshih issledovanij v ehtoj oblasti
EN
Present state of investigations in Poland on the demand for microfertilization of horticultural crops and determination of further trends of the respective research works