New Zealand Journal of Forestry (1973) 18(1): 141–147
©New Zealand Institute of Forestry
Grass utilization during forest establishment
B. A. Brook
This paper is a summary of an investigation into alternative systems of grass harvesting and their comparative economics during the establishment of trees on an area where contour permits the use of farm machinery. The establishment period is taken as three years from planting, assuming that after this period the area may be grazed by cattle without fear of damage to the trees. The systems of utilization considered were the making of hay or silage, and the cutting and carting of fresh grass.
After allowing for such factors as the area covered by the trees, the loss of fertility, efficiency of utilization of the grass grown, costs of harvesting and feeding out, the value of the grass grown was assessed in each of the three years. The profit margin was then assessed on a per hectare basis, and findings due to the systems of utilization envisaged were: Year one, profit of $24.30/ha; year two, break even; year three, loss of $17.30/ha.