Figure 1: Trends in amount of fertiliser P (- ) applied to the mean M&WES Class 1 high country farm and mean price received for wool (-- ).

Figure 2: Modelled mean area (ha) of developed grassland for M&WES Class 1 high country farm 28 years from 1969.

Figure 3: Net nutrient balance on the mean M&WES Class 1 high country farm; (Highest to lowest: Ca; N; P; S; K).

Figure 4: Wool (- ) and liveweight (-- ) removed from the mean M&WES Class 1 high country farm.

Figure 5: Mean stocking rates (su ha^-1) M&WES Class 1 high country farm.

Figure 6: Mean annual nutrient balances on developedgrassland within M&WES Class 1 high country farm (kg ha^-1); (Top to bottom: Ca; N; P; S; K).

Figure 7: Mean annual nutrient balances on undeveloped grassland within M&WES Class 1 high country farm (kg ha^-1); (Top to bottom: Ca; N; P; S; K).