15. Sulphur deficiency
Sulphur deficiency causes some visible symptoms which resemble those of nitrogen deficiency. These include a severe reduction in growth and the development of pale-green to yellow leaves. An important point of difference, however, is that the ... [... more]
HortNET New Zealand |
Sulphur-crested Cockatoo
The Sulphur-crested Cockatoo is a large white parrot, measuring 45cm - 50cm. It has a dark grey-black bill, a distinctive sulphur-yellow crest and a yellow wash on the underside of the wings. Sexes are similar, although the female can be ... [... more]
Australian Museum |
|
