Olekhov
Vladimir Radomirovich,
candidate of agricultural sciences, professor, Perm State Agro-Technological University,
e-mail: olekhovr@pgsha.ru

Efficiency of nitrogen fertilizers depending on predecessors on the oats cultivated on turnover of a layer of a clover of red 2 years of use
Olekhov V., Mudrykh N.
         2018,    N 2