Processes within pasture and crop ecosystems: Aspects of light utilization, leaf development and senescence and grazing on grass-legume balance and productivity of pastures

[First paragraph...]
In this paper it is intended to describe some aspects of leaf development and leaf canopy structure of communities of two species of importance to New Zealand agriculture in relation to the light environment, then to illustrate some effects grazing has on the grass-legume balance and productivity of pastures.