Kryuchkov
Mikhail Mikhailovich,
Honored Worker of Agriculture of the Russian Federation, Professor, Ryazan state agrotechnological University,

Agroecological justification of the use of sewage sludge as a bio-organic fertilizer in the cultivation of agricultural crops Ryazan
Erofeyeva T.V., Kryuchkov M.M., Masina T.A., Vinogradov D.V.
         2021,    N 3