12 factors affecting the survival of nursery stock transplanting
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To make a seedling planted and survived, a variety of measures need to be taken, and the quality is strictly controlled in all aspects. Conversely, as long as one factor is unreasonable, it may cause seedling death. According to the author's many years of supervision experience, there are at least 12 factors affecting the seedling planting survival, summarized as follows: 1. Newly introduced off-site seedlings Some off-site seedlings are not suitable for local soil or climatic conditions and will gradually die. 2. Contaminated by air or groundwater Some seedlings die and are sensitive to a certain harmful gas or water quality discharged from the factory. 3. Depth of planting is not suitable. Planting too shallow should be dry to death; planting too deep may result in impervious roots or lack of oxygen in the roots, causing death of trees. 4. Evergreen trees must be carried with earthballs when transplanting evergreen trees without soil ball. 5. When the soil ball is too small to transplant seedlings, the soil ball is much smaller than the specification, and the root system is seriously damaged and survival is difficult. 6. Deciduous trees are transplanted without soil ball during the growing season. Deciduous trees must also be transplanted with soil balls. Otherwise, they will die. 7. Impermeable to the surface of water The surface of the tree has been filled with water. If you do not use iron, it will probably not be poured. The tree will die. 8. The earth ball is not soaked and sometimes the water has filled the entire tree, but due to less frequent watering or water loss, the hard and dry earth ball does not eat enough water because of long-time transport. Slowly died. 9. Unfrozen antifreeze and returning green water Especially when new trees are planted in the year, antifreeze water should be poured before the soil is frozen. The soil should be poured back to Qingshui in the spring of the beginning of spring, otherwise it is easy to die. 10. Soil water Trees are planted in low-lying lands. If they are bred for a long time, the intolerant species are likely to die. 11. When it comes to drought, I do not know that sometimes the drought is accompanied by light rain, and the surface seems to be full of rain. In fact, the interior is nearly dry, but it is awkward to feel that when the “good rain is known,†the seedlings die. 12. The tree had fallen seedlings transplanted with earth balls. If it fell down after being watered and was later forcibly lifted, the earth ball would be broken and the seedlings would be difficult to protect.