2. Soil requirements: Torreya grandis has high requirements for soil. Suitable for fertile and loose clay loam or sandy loam, which requires good drainage. The PH value is slightly acidic to neutral. It should be noted here that acidic red loam is not suitable for planting torreya grandis, so you must pay attention when choosing soil.
Third, dig deep and plant shallowly
1. Digging: Before planting, dig a planting hole 60 ~ 80 cm square and 30 ~ 50 cm deep to loosen the soil and help its deep roots penetrate into the soil to absorb nutrients.
2. Shallow planting: when planting, shallow planting should be carried out. After completely covering the root system with topsoil, cover it with a soil layer about 3 cm thick and push it into a steamed bread shape.
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How to raise torreya grandis bonsai Planting method of torreya grandis bonsai
Fourth, weeding and loosening the soil
Weed and loosen the soil on the surface of bonsai after the rainy season every year; When loosening soil in winter, the depth of loosening soil can be deepened appropriately; The looseness inside the trunk should be shallow, and the looseness outside the trunk can be deep.
Verb (abbreviation of verb) shaping: When the tree grows to about 1.5m, it is only necessary to cultivate 3-4 backbone branches for reasonable pruning.
6. Rational fertilization: Fertilize 2-3 times a year, and add 1 time in March-April, July-August and the middle and late September respectively.