The gardener's magazine and register of rural & domestic improvement . ore beautifully. It appears that heated air can be made to descend against itsnatural tendency, by first withdrawing the colder and heavierair from the lower part of the house: but whether a current ofair be impelled upon plants from above or from below can make,I think, but little difference to the health of such as are shrubby ;but, for pines plunged or set on a bed, a descending current ismost to be preferred, merely for its penetrating so much morefreely among the leaves, and reaching every part exposed to thelight. P 2
The gardener's magazine and register of rural & domestic improvement . ore beautifully. It appears that heated air can be made to descend against itsnatural tendency, by first withdrawing the colder and heavierair from the lower part of the house: but whether a current ofair be impelled upon plants from above or from below can make,I think, but little difference to the health of such as are shrubby ;but, for pines plunged or set on a bed, a descending current ismost to be preferred, merely for its penetrating so much morefreely among the leaves, and reaching every part exposed to thelight. P 2 210 Hothouse Ladder for thinning Grapes. Upon the whole, the endeavour to procure a constant currentof air through hothouses is highly commendable; and, as has succeeded admirably, it is to be hoped that, as he hashad the honour of having made a great improvement in gardenarchitecture, his discovery will not to himself be a barren one. London, Feb. 18. 1841. Art. IV. Notice of a Ladder for thinning Grapes in James Eaton, Gardener, Melbury
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