Plant protection in New Zealand /
by J. D. Atkinson ... [et al.]
- Wellington : Technical Correspondence School, Dept. of Education, 1956.
- 699 p. : ill.
Plants, Protection of--New Zealand.
Plant diseases--New Zealand.
Agricultural pests--Control--New Zealand.
Plants, Protection of--New Zealand.
Plant diseases--New Zealand.
Agricultural pests--Control--New Zealand.