Cool-season turf

The update fixes degradation lawn? In recent years, major cities lawn area increase, making turf management more important. In many cases, changes in the composition of turfgrass lawn because topsoil medium or serious deterioration of physical and chemical properties and cause degradation. In order to save manpower, material resources, can be less intense lawn partial renovation and replanting, which is lawn updates and fixes. A necessary condition for improved repair lawn vegetation 1. fully available by the selective herbicide to kill weeds constitution. 2. lawn vegetation composed mostly of perennial weeds. 3. Because of insects or pathogenic factors or other causes severe damage to the lawn. 4. lawn organic layer is too thick, uneven texture of the soil surface, the surface 3-5 cm soil severely compacted. See lawn degeneration, we should first find out the cause of degeneration lawn, we can address the problem, formulate a correct and practical scheme II update fixes 1. Preparation of flat bed flat bed weed control should first consider the use of herbicides. Second, in-depth vertical mowing, in extreme cases be cut, in order to completely get rid of the organic layer. When the topsoil compaction is not serious, it can also be the core of soil tillage and dragging high intensity level. Before plowing the soil, should be applied compound fertilizer (nitrogen, phosphorus and potassium), but also by liming acidic fertilizer, the amount of visible soil for nutrients applied is determined. 2. Select the repair can be vegetative propagation of grass, but mostly by seed propagation. Should choose completely adapted to local environmental conditions, grasses, and to consider the consistency of the lawn. 3. The method used sowing and planting seeding disc seeding. Broadcast standard sowing rate, after sowing should be shallow rake and rolling. Disc sowing is completed with a special disc planter, generally do not have a light harrow and rolling.