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Water Is Allowed:
The air was further cooled in the chamber by the application of cold water outside, and then it passed on to another cylinder in which it was allowed to expand to something like atmospheric pressure. While it was expanding it was mixed with a quantity of brine injected into the expansion cylinder. The air leaving the expansion cylinder was allowed to escape to the atmosphere, while the brine, cooled to about 20 °F., was conveyed into a tank for application to ice-making or other refrigerating purposes.Both will split if water is allowed to freeze in them in winter Spray heads or "roses" are supplied with most cans and these vary from fine to coarse. Use a fine rose on seeds and seedlings. When using a can fitted with a rose to water trays of seedlings, begin pouring to one side of the plants then pass the can over them, maintaining a steady flow. Move the can awa from the plants before stopping the flow of water This technique avoids any sudden surges of water which can bort damage tender plants and displace compost.
Water.—Do not over-water either indoors or ?e«tdoors; many houseplants are killed by mistaken I adndness. There are exceptions, but the majority }b< plants should be allowed to dry until the soil ithj obviously in need of moisture. The watering fr<6ust then be thorough and it will act as a tonic, ur.fhe worst procedure is to water daily, so keep-?rfcg the earth in a soggy, plastic condition. In ml*il of this kind roots are de_prived of oxygen and re suffocated. Just as important is the humidity nd< the air. Visitors to a greenhouse are impressed with the moisture of the air, and it is this contact with moisture that induces a free sprouting of new leaves. Most apartments are exceedingly dry; some moisture should be added by humidifiers.
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