. Vegetable forcing. Forcing (Plants); Vegetable gardening. 26 VEGETABLE FORCING Truss construction.—In recent years the truss form of building (Fig. 11) has received considerable attention from greenhouse men. The trussed construction makes it possible to dispense with interior posts, except in very wide houses, and comparatively small pipe rafters are used instead of heavy, flat, iron rafters that are necessary in full iron-frame houses. The sash bars are also smaller than in other forms of houses, so that every detail of con- struction is favorable to admitting the maximum amount of light a


. Vegetable forcing. Forcing (Plants); Vegetable gardening. 26 VEGETABLE FORCING Truss construction.—In recent years the truss form of building (Fig. 11) has received considerable attention from greenhouse men. The trussed construction makes it possible to dispense with interior posts, except in very wide houses, and comparatively small pipe rafters are used instead of heavy, flat, iron rafters that are necessary in full iron-frame houses. The sash bars are also smaller than in other forms of houses, so that every detail of con- struction is favorable to admitting the maximum amount of light and sunshine. Theoretically, this is the ideal. Fig. 11 house of truss construction. house, and it is highly esteemed by many vegetable forcers. On the other hand, some trussed houses have been demolished by snow and storm, and growers are naturally rather reluctant about building houses of this type. It should be said, however, that improvements have been made which add to the strength of the trussed houses, and it is possible that the newer houses will prove entirely satisfactory. Certainly no type of construction could provide better conditions for the culture of winter vegetables. Walls.—The greenhouse walls should be durable and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Watts, Ralph Levi, 1869-. New York, Orange Judd co.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectvegetablegardening