Spud Watch: How to take care of seed potatoes

At the time of writing I am wandering the potato fields of New Zealand’s Canterbury Plains, in temperatures of 30C-plus, on a working holiday. Good soils, ample water, a long growing season and lots of sunshine help push average yields here to 80-90t/ha. Of course, there are problems too – soil-borne rhizoctonia and powdery scab are rife and seed quality, particularly of cut seed, can be variable. Deal with these issues and I have no doubt that 100t/ha could become […]