PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE (devices for topping or skinning onions or flower bulbs Fulltext... Hierarchy... Expanded...A23N 15/08)
This sub-class covers compositions, physical forms, methods of application of specific materials or the use of single compounds or compositions. [3]
This subclass does not cover materials which affect the growth of a plant solely by supplying nutrients, i.e. plant food, ordinarily required for growth or materials which are used to prevent or cure mineral deficiencies in plants, e.g. addition of iron chelates to cure iron chlorosis, which materials are covered by class Fulltext... Hierarchy... Expanded...C05. [3]
In this subclass, the following expression is used with the meaning indicated:
"plant growth regulators" are those materials which alter the plant through a chemical modification of the plant metabolism, such as auxins. [3]