MEDIUMS FOR THE PRODUCTION OF NURSERY STOCK IN CONTAINERS
The production of nursery stock in containers differs from general field production in that the volume of root medium per plant usually is greatly reduced. Because of this, the culture is similar to that used by florists for potted greenhouse plants. Depending somewhat on the plant being produced, the degree of culture may vary between systems, but in principle, the raising of pot plants in the greenhouse requires the same basic considerations which the nurseryman must take into account for the production of nursery crops in metal containers. Current systems of container production are further complicated by the inability of the operator to do much about modifying his environment during the summer and winter months. For this reason, the production of a quality plant product out-of-doors requires very exacting management by a grower who recognizes the complexity of the problem.
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