PPQ

 

Plant Protection Quarterly

 
Volume 2 Issue 1, 1987

 

Contents

 

Invited Editorial

Weeds in cropping - their cost to the Australian economy.

2

Symposium

Changes in the weed flora in south-eastern Australia due to cropping and control practices.

R.L. Amor and P.M. Kloot.

3

Changes in product pricing and availability.

D.R. Harper.

8

Economic evaluation of biological weed control.

C. Tisdell.

10

Theory and reality of weed control thresholds.

R. Cousens.

13

Soil, water and weed management - the key to farm productivity in southern Australia.

J.E. Pratley.

21

Conservation tillage and weed revolutions.

R.W. Medd.

31

Research reports

Assessment of prochloraz fungicide as a sett treatment for the control of pineapple disease of sugar cane.

P.W.J. Taylor and C.C. Ryan.

35

Persistence of atrazine in chemical fallows in the Victorian Wimmera and Mallee.

R.L. Amor, A. Kent, P.E. Ridge and R.M. Binns.

38