Planting Ginkgo biloba must grasp the eight-character planting principle, namely "strong, big, full, dry, solid, shallow, transparent and high." In order to facilitate memory, the songs are: "Miao Zhuang points are based on fat; dry soil is filled with layers; seedlings need to be planted with shallow water; transparencies should be prevented from lodging. The air circulation temperature is high, and the eight-character essentials are easy to master. The survival rate is high and the growth is very fruitful."
A strong: strong seedlings. The standard for strong seedlings is thick seedlings. The height and the thickness must be commensurate, that is, there is a certain degree of sharpness. The root system must be complete. The root system is priceless, so the root system should be as large as possible. As the saying goes, there are money to buy seedlings, no money to buy roots. Seedlings should be fresh and they should be planted along with the digging. The current ginkgo seedlings are particularly multi-agents, with mixed results, and some have not been able to sell the ginkgo seedlings in time for sale, and some are as long as 2 to 3 months.
The second largest: planting holes to be large, generally digging 1 meter square. If the seedlings are large, the tree points should be increased accordingly.
Three-legged: Apply enough basal fertilizer to plant the hole. Basal fertilizers are dominated by fully mature organic fertilizers, and fertilizers must be applied sparingly. Fertilizer and mature soil are fully mixed and applied to the middle or upper part of the cave. Put 20 centimeters of soil before planting to prevent roots from contacting fertilizer and burning roots. If there is no suitable fertilizer, do not force it so as not to burn roots, preferring to plant and survive before replanting.
Four dry: fill in the hole in the fat to dry as well, in the practical soil, do not let the knot, so as not to have adverse effects on the ginkgo root system.
Five facts: Buried soil must be solid, that is, layers of compaction, so that the ginkgo root system and the soil closely combined, but only with the foot, can not be compacted, to prevent injury to the root. Shanghai has a lot of rain in spring and the soil is sticky. If the soil is wet, it cannot be practical. Only shallow plants and high soils can be used to prevent this, and the soil will naturally sink and compact.
Six shallow: Ginkgo must be planted in shallow depths. Because Shanghai has a high groundwater level, abundant annual rainfall, and relatively sticky soil, shallow planting is particularly important. Because it is related to the characteristics of the ginkgo root system and hair root temperature. As the depth of the Ginkgo planting increases, the ground temperature rises slowly, and the air permeability decreases, the humidity increases, and the root wounds are healed and new roots are unfavorable. After the rain, the water in the roots causes rot, so it must be planted in shallow depths. After the shallow planting, the ground temperature rises quickly and the soil is well ventilated. The roots of Ginkgo biloba will heal early, and the roots will be fast. After rain, they will not be easily damaged. When the tree hole is deep and the soil recovery rate is less than 75% to 80%, the root system is flat and even planted on the ground when planting. The park is planted on a flat land and it is best to plant it in small mounds.
Seven penetration: After planting, it should be irrigated with water so that the soil in the hole and the root system of seedlings can be closely combined and the water can be fully absorbed. After watering, the ground naturally sinks, ensuring that the foundation is level with the ground or 1 to 2 cm higher.
Eight high: high earth pile. When the water in the planting hole is completely infiltrated without seeing water, it can only be dried with dry soil, and a pile of 20-30 cm in height must be cultivated. There are three advantages of Gao Peituo: one is to protect the flood; the other is to prevent the wind from shaking; third is to prevent the root from water damage during the rainy season. Do not avoid soil filling holes, there are recesses, water after the rain, high temperature time easy to rot.
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