Effects of lime and 5 years' sulphur and phosphorus applications on soil pH, sulphur, and phosphorus status of tussock grassland soils on East Otago uplands

abonos fosfatados amendement calcique azufre enmiendas calizas fosforo grasslands gypse gypsum herbage highlands lime liming materials ph phosphate fertilizers phosphore phosphorus phosphorus fertilizers praderas soil sol soufre suelo sulfate sulfatos sulfur sulphates sulphur upland areas yeso