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through the globules or film of moisture upon them. Do not hasten tosprinkle a lawn at the first approach of warm weather as this will dis-courage the tendency of the grass roots to go deeper in search of theground water. If the lawn shows signs later in the season of being indistress, give it a thorough soaking. An effective watering should soakthe ground to a depth of five or six inches. Rolling and Weeding Lawns. Rolling of lawns is not resorted tonearly as much as formerly. Probably one good, thorough rolling inthe early spring is beneficial, especially on clay land which may haveheaved in spots during the winter. Except for this, rolling is of doubt-ful value, especially because during dry weather it causes loss ofmoisture through transpiration. Weeds in the lawn indicate that thegrass is not properly cared for or has been carelessly seeded. Weedsmay appear in a new lawn, especially if manure has been used in thepreparation. It is not necessary to pull out the annuals, for if the turfis cut they will not seed themselves. Remove only the perennials, suchas burdock and plantain. Tread on the holes thus left and fill themwith compost and seed. It is better to weed in the fall, as in thespring crab grass is apt to get into bare spots. Perennial weeds shouldbe cut out with a knife, securing as much of the roots as possible; ora drop or two of gasoline will generally kill the plants. Moss andsorrel in a lawn indicate a sour soil needing liberal applications of air-slaked lime. Crab grass causes considerable trouble if once establishedand care should be taken to remove all portions of the roots. |
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