Pruning time and frequency: Generally speaking, warm-season lawns have only one growth peak in summer, and they should be pruned more in summer; The lawn grows slowly in spring and autumn and cold season, so the pruning times should be reduced; The cool-season lawn in winter has dormancy, so it should be
Reduce the number of pruning appropriately. The cool-season lawn has two growth peaks in spring and autumn, and it should be trimmed at least once a week during these two peaks. In summer, the cool-season lawn enters the dormant period, and it is usually trimmed once every 2 ~ 3 weeks; winter
In season and winter, the lawn needs enough nutrients to survive the winter, so the pruning times should be gradually reduced in late autumn. 3.
Pruning height: The determination of pruning height should not only strictly follow the principle of 1/3, but also consider the height from the base leaf to the ground. If the pruning height is too low, a large number of growing points will be cut off, and the lawn grass will lose its regeneration ability; Trimming height
If it is too high, it will produce a disheveled, swollen and untidy appearance, and it will also bring trouble to lawn managers because of the increase of dead branch density. The mowing height of the lawn in the unused area is, golf course green or tee lawn.
Trimming height is 0.5cm；; The trimming height of golf course fairway and football field lawn is 2 ~ 4cm；; Green ornamental lawn 4 ~ 6 cm; Highway slope lawn 8 ~13cm.
A good fertilization scheme for lawn should be to ensure the healthy and even growth of lawn grass and maintain good quality throughout the growing season. By selecting the appropriate fertilizer types, the appropriate fertilization amount, application times and fertilization time are determined, and the correct fertilization method is adopted to complete it. 1. Fertilizer selection: Lawn fertilizer includes natural compound fertilizer, quick-acting fertilizer, slow-release fertilizer, compound fertilizer, mixture of fertilizer and herbicide. When choosing fertilizer, we must consider the characteristics of fertilizer in combination with the actual use. Only in this way can we achieve the goal of efficient fertilization. 2. Fertilization amount: Generally speaking, according to the fertilization amount in vigorous growth period twice a year, the first time (vigorous growth period) is 70-90 kg/hm2 [n: p: k =10 (1/2 is slow effect): 6: 4]. The second (May-June) cold-season lawn is fertilized in late autumn, which is beneficial for the lawn to overwinter and turn green early in spring. The amount of potassium fertilizer should be increased in summer, and nitrogen fertilizer should be used cautiously.
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