Proper circulation of air is essential for ...

Proper circulation of air is essential for ...

Proper circulation of air is essential for the health of the plants.

Under natural conditions drying winds keep the epiphytic roots sweet at all times.

'In captivity' the orchid roots are confined in pots and baskets, and the air of the greenhouse can easily become 'dead' and stuffy.

Air-conditioning would seem the ideal solution, but the grower must be mechanically inclined and ingenious enough to invent a system of his own, for the few available ready made systems are prohibitively expensive.

Fortunately a well-planned ventilation system can bring the desired result except in extremely dry climates, and even in such localities a proper balance between heat and moisture can bring a workable solution.

Vents placed along the roof ridge will provide sufficient air circulation.

The openings should face away from prevailing winds, since a gentle movement rather than a draft is required.

The openings may be operated by pushrods or the more elaborate worm-and-gear mechanism.

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Stay tuned for more orchid-growing advice tomorrow! :)




Woo hoo!