What's the plural form of sylviculture? Here's the word you're looking for.
Answer
The noun sylviculture can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be sylviculture.
However, in more specific contexts, the plural form can also be sylvicultures e.g. in reference to various types of sylvicultures
or a collection of sylvicultures.
