According to experts in Shandong green seedlings base. Although green seedlings in the planting process water, sunlight and other factors to the growth of a significant impact, but in before planting nursery finishing is also crucial. General finishing need to do the following:
I. to ensure that the root zone layer should be conducive to the elongation of the root system, and to ensure the drainage and water permeability. So fill soil to ensure good soil structure, if necessary, set the culvert drainage facilities etc..
Two, to ensure that the best soil nutrient, suitable for plant growth is mineral 45%, organic matter 5%, air 20%, water 30%.
Third, appropriate soil hardness, soil hardness appropriate can ensure sufficient root elongation and maintain good aeration and water permeability and avoid soil compaction.
Four, to ensure that the appropriate pH value, in order to ensure the good growth of trees and flowers, soil pH value of the best control in the range of 5.5 to 7 or according to the plant's preference for pH and adjust.