Chumakov
Sergej Semyonovich,
doctor of agricultural sciences, professor, Kuban state agrarian University,
e-mail: c.cemen1980@mail.ru

Effects of fertilizer systems on the content of nutrient substances in leached chernozem lead and the productivity of apple tree in the conditions of the Prikuban zone of fruit production
Onishchenko L., Darweesh N., Chumakov S.
         2018,    N 3