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How to improve the survival rate of afforestation project


Production without water, temperature and sunshine three major basic elements. At or near the objective conditions of the living conditions of trees in order to survive or may be, to improve the survival rate, should pay attention to the following aspects. Afforestation area 1 must first understand the natural profile of the region belongs to climate, altitude, average temperature, average relative humidity, precipitation, evaporation, wind, mountains, rivers, major vegetation, and soil profiles and other basic conditions, in order to determine created the most suitable tree species, tree species. 2 types of forest land for afforestation site works are ridges, valleys or plains, plots show the shape, size and slope of the specific conditions of soil, is barren, salt level, including how much gravel. 3 matching species should have normal growth of local tree species. If the dry climate, barren soil, on the whole to consider the barren drought-resistant species. Mountain slope at low mainly larch, Pinus sylvestris, P. orientalis, etc. mainly, but also planted poplar, ash, birch and so on. Semi-sunny to sunny mountain orientalis, Pinus sylvestris, pine, apricot, Amorpha fruticosa and other species, and with sea buckthorn, Lespedeza, Caragana and other more drought-resistant shrub barren. Should also consider the choice low temperature,[link widoczny dla zalogowanych], salinity, wind-resistant tree species such as quality, truly There are three main Afforestation North Shelterbelt, forest,[link widoczny dla zalogowanych], afforestation, closing hillsides to facilitate afforestation projects. The main tree species are suitable for larch, pine,[link widoczny dla zalogowanych], pine, arborvitae, birch, poplar, Robinia, willow, cherry, apple, apricot, pepper and so on. 4 tree species to promote the benefits of more and more mixed: �� to prevent the occurrence and spread of pests and diseases. �� make full use of ecological resources, the use of tree growth and increase biomass. �� increase in natural beauty. Usually mixed with artificial species to observe the following rules: mixed trees and shrubs; hi light shade-tolerant tree species and tree species; and Elaeagnaceae leguminous trees and other tree species. Mixed strains of ways between the lines between the mixed and mixed or mixed with a block and so on. Often mixed with ash and larch, spruce, Pinus sylvestris, respectively, mixed with natural oak tree belt, Amorpha fruticosa and P. orientalis mixed. @ 5 live in caves Agricultural Science and Technology 2008 18 5 high-quality seedling planting project should be selected with the seedlings grew well and no diseases, no mechanical damage of the 1,2-level high-quality seedlings. Seedlings during shipment except in the lifter or less do not hurt the roots of root, it must also be possible not to seedling roots wind and sun, the water content in seedlings maintained at the highest level. First, keep heel lifter at any time; the second dip in the transport before the mud, after loading cover sheet, the road spray of water; third, unloading at any time at any heel; fourth is readily available for planting seedlings at any time. 6 Science planting trees before the barren hills and slopes to the RBI, digging, planting when buried two three-foot by mentioning the technical essentials of scientific planting seedlings. When planting seedlings placed to the end of the center hole, the first layer of soil fill in a form after the filling of deep soil, while holding seedling stems of buried side slowly light up the way, the roots stretch in the pit, and practical, and then repeated 1 time buried soil, ease 1, to ensure close contact with roots and soil will be buried into the ground to the seedling roots of the original soil mark on the 2-3em far better planted seedlings were irrigated immediately after. Less water in dry years such as planting poplar strong broadleaf trees budding, the implementation of cutting dry planting, stubble height to 7 ~ 12em is appropriate, and dry at the cut-off wax or plastic film wrap to prevent water loss and improve seedling survival. 7 plant management and protection in addition to master the required standards in accordance with the depth of planting, location and specific construction requirements, plant survival on the key lies in the good seedling selection, packaging, transportation, temporary planting and planting and other links. Must pay attention to the root of the moisture, to ensure the well-developed taproot, lateral roots and fibrous roots. Conditional moisturizing agent can dip rooting powder and roots. Transportation process to gently,[link widoczny dla zalogowanych], to avoid the bumps tree, a long time to regularly transport water to the roots and prevent water loss to dry seedlings. Seedlings can not be planted immediately, use the wet soil to a temporary heel. Bare root nursery stock for non-nursing subsoil lump large enough to be done. Planting pits not do too, and first with the more fertile surface soil humus fill in the roots of the occasion, bottom and placed on top of adobe practical, to prevent the dry air intrusion. Seedlings on the soil is very unfavorable for the growth of the land to conduct soil. It should also be good cultivation, weeding, fertilizing, irrigation, and anti-livestock, fire prevention, pest and other daily management and protection work. After planting tending to be timely, must be organized to manage and protect someone, to stop drinking the new woodland planting to prevent damage to seedlings,[link widoczny dla zalogowanych], maintaining forest uniformity. Survival rate of the census, the establishment of afforestation file. In short, from seedlings Chupu, sorting, transportation, planting and post to manage the entire process, so that seedlings can be scientific in that it is always beneficial to the growth of affordable and objective environment, the increase in plant survival rate can be achieved. _I
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