Sustainability of New Zealand high-country pastures under contrasting development inputs. 6. Fertiliser efficiency.

@inproceedings{Scott2000SustainabilityON,
  title={Sustainability of New Zealand high-country pastures under contrasting development inputs. 6. Fertiliser efficiency.},
  author={Daniel J Scott},
  year={2000}
}
Abstract Using 15 years of grazing records from two trials with 31 different sulphur (S) and phosphorus (P) fertiliser combinations on a Tekapo/ Pukaki high‐country soil, the most profitable fertiliser combinations for long‐term sustainable production were determined from consideration of fertiliser composition, ex‐works, transport, and spreading costs, increase in sheep carrying capacities, and discount rates. In a soil with a high natural surface‐soil P level, the optimum returns were… CONTINUE READING

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