A study of the relationships between leaf area index, chlorophyll content per unit of ground area and rate of dry matter increase in a perennial ryegrass sward : a thesis presented at Massey College in part fulfillment of the requirements for the degree of Master of Agricultural Science in Victoria University of Wellington, New Zealand

Copyright is owned by the Author of the thesis. Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only. The thesis may not be reproduced elsewhere without the permission of the Author.

MASS~Y CCLLEGE LIBC?, ~a·

PALMERSTON NORTH-. !',.~.

A S'1UD1l OF THS RELATIONSHIPS BE1'WEEB LEAP AREA Im>EX•

CHLOROPHYLL CCUJ.ml' PER

mm

OP OROUHD AREA Am> BM.'B QF DR¥ MA'l'fml mcBBASE

.m

^A

PBREmlIAL BIEGBASS SH.ABD

A thea1.o p:reoontod at 1-la.ssoy College 1n part tult1ll.cent of the roqu1rcmon~a to, the

Degree of' lbotoi"

or

Agricultural Science in

V.1ctona Un1vora1ey or ol.l.1ngton.

Heu Zealand

L. &.

ACKHOWLEDOEMSUTS

Tho study reported 1n thi thesis ..:an pranptod by I<ll- R. ^{i!. ~ ) 8 0} of

OrosaltlMo

D1v1a1on. Dopartmont of ScientUJ.c

am

Industrial Re8081'Ci1• to uhom the author 1a 1o:1ebt

tor

guidance

nm

encoumgement.

'lllBnlCO al"G o.lso duo to ^{Mr A. C. G ~ It}

ot

the Applied

Hathcmtico Iabomtor:,,

l)opartment of Se1cnt1fJ..c and Irduotr.1.ol

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Days of growth.

Fig. 1. Lea:f Efficiency Index at various stages of growth.

(Brougham, 1956).