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Growth of lucerne in response to height and frequency of defoliation
(Cambridge University Press, 1965-06)
Lucerne has generally been reported to decline in productivity with increasing intensity of utilization. Considerable evidence is available to show that both frequency and height of cutting determine subsequent yield (e.g. ...
A study of New Zealand wheats. I. Growth and yield characteristics
(Taylor and Francis on behalf of the Royal Society of New Zealand, 1965)
Growth and yield of New Zealand wheat varieties sown in May were examined critically during two growing seasons. Differences in plant number and particularly tiller survival led to a greater population of ears in Hilgendorf ...