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Scarification is often done mechanically, thermally, and chemically. The seeds of many plant species are often impervious to water and gases, thus preventing or delaying germination. Any process designed to make the testa (seed coat) more permeable to water and gases is known as scarification.
Scarifying is normally carried out in autumn or spring. When scarifying or de-thatching, not all thatch should be removed as a small amount of thatch is beneficial to the lawn. A lawn that has excessive thatch may feel spongy when trodden upon. After removing thatch, it can be swept or raked up using a lawn sweeper.
In lawn care, thatch is a layer of organic matter that accumulates on a lawn around the base of the grass plants. Thatch is a combination of living and dead plant matter including crowns, stolons, rhizomes, and roots. Grass clippings do not generally contribute to thatch buildup as they can be easily broken down by soil microorganisms.
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As millions of Southern Californians face unprecedented water restrictions beginning next month, we’re looking for homeowners who have torn out their lawns and replaced turf with drought ...
a) Reduction of logging slash, plant competition, and humus prior to direct seeding, planting, scarifying or in anticipation of natural seeding in partially cut stands or in connection with seed-tree systems. b) Reduction or elimination of unwanted forest cover prior to planting or seeding, or prior to preliminary scarification thereto.
If 50- to 70-percent of your lawn area is covered with crabgrass, you should spray the entire lawn according to label instructions for the most efficient approach, says Waltz. Mow your grass.
St. Augustine grass (Stenotaphrum secundatum), also known as buffalo turf in Australia and buffalo grass in South Africa, is a species of grass in the family Poaceae.It is a warm-season lawn grass that is popular for cultivation in tropical and subtropical regions.