TY JOUR TI The effect of treatments with a preparation based on calcium polysulfide on seed germination and yield of wheat plants KW wheat; pre-sowing treatment; calcium polysulfide; redox system; productivity. JO Agrarian Bulletin of the AU Farkhutdinov, R.G. AU Akhmetshin, B.S. AU Fedyaev, V.V. AU Garipova, M.I. AU Ufimtseva, M.G. PY 2020 IS 195 PB Ural State Agrarian University