Gypsum amendment improves native grass establishment on saline-alkali soils in northeast China

alcalinidad alkalinity amendement du sol aneurolepidium chinense application rates calcio calcium chemical soil types china chine chlorides chlorure cloruros dose d'application enmiendas del suelo establecimiento de plantas estructura del suelo gramineas graminee grasses grasslands gypse gypsum herbage hordeum hordeum brevisubulatum infiltration jilin ph del suelo ph du sol plant establishment praderas rendement rendimiento saline sodic soils salinidad del suelo soil soil amendments soil ph soil salinity soil structure sol sol salin sodique structure du sol suelo type de sol chimique yeso yields