Punching, digging, and replacement are essential maintenance practices for maintaining healthy and vibrant lawns.
1. For turfgrass that is above level 2, it should be drilled once a year. Depending on the density of the grass growth, diatoms should be applied every 1 to 2 years. After large events or heavy usage, the lawns should be partially decomposed and cultivated to restore their health and appearance.
2. Partial grass digging involves using a shovel to gently lift the loose soil in specific areas. The depth should be around 5 cm. Once the clods are removed, any debris should be cleared out, followed by the application of soil-modifying fertilizer and sand training to improve drainage and root development.
3. For large-scale drilling and digging, proper equipment such as machinery, sand, and tools must be prepared. Start by mowing the lawn with a lawn mower. Then, use a weed-sweeping machine to remove the grass, followed by a hole puncher to aerate the soil. Any remaining sludge, mud blocks, or grass residue should be manually swept or cut with a rotary knife mower. Afterward, apply soil amendment fertilizer and cultivate the area with sand to promote better growth.
4. If there are bald spots larger than 10 cm in diameter on grade 2 or higher lawns, or if dead plants are present, or if localized weeds cover more than 50% of the turfgrass and cannot be controlled by herbicides, the affected areas should be replaced with new turfgrass to maintain uniformity and quality.
5. When grade 2 or higher lawns show signs of severe growth failure due to improper care or environmental stress, partial improvement measures should be taken to revive the lawn and ensure its long-term health.
6. During winter, yellowing may occur on grade 2 or higher ornamental lawns. To address this, ryegrass seeds should be sown in mid-November each year at a rate of 60 grams per square meter. This helps maintain a lush green appearance throughout the colder months.
These practices not only enhance the visual appeal of the lawn but also contribute to its overall resilience and longevity. Regular maintenance ensures that the grass remains healthy, dense, and capable of withstanding foot traffic and seasonal changes.
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