大树养护（Tree conservation）.doc

大树养护（Tree conservation） Maintenance management after transplanting After transplanting large trees, we must strengthen the late maintenance management. As the saying goes: three minutes, seven in cover for this reason. The main reason for the death of trees from all walks of life is that it is very important, one of which is the improper management of the later period, especially in the first year. Therefore, the tree transplanting after careful maintenance as an important link is to ensure that the growth of transplanting survival and tree strong, can not be cut. 3.1 establish support After planting, the trees must be fixed in time, that is, the establishment of pillar support, in case the ground layer is moist and soft, the trees are attacked by the wind, resulting in tilting and toppling, and at the same time, it is beneficial to root growth. Generally use three column support, triangle support fixation method, to ensure good tree stability. Bracket and the junction with the old bark or straw as the sole pad, so as not to scratch the bark. The scaffold is usually removed after 1A when the root system of the tree is recovered. 3.2 watering and water control The tree transplanting immediately after pouring 1 times water, to ensure that the roots and soil Tightlock, promote root development. General spring after planting, the soil moisture should be considered every 5 ~ 7d water, continuous casting 3 ~ 5 times of water; growing season transplanting big trees should shorten the time, increase the number of watering; in case of special dry weather, to further increase the frequency of watering. Water to master do not dry, pouring, pouring thoroughly principle, the water is not the more the better! On the contrary, if the water is too large, but because of poor air permeability, low soil temperature and root respiration to reasons such as effects of soil rooting, root rot, retting phenomenon will appear serious. At the same time, in order to effectively promote new roo