North: You can plant seeds of Pinus thunbergii in the north in spring, because the spring environment in the north is still suitable for planting Pinus thunbergii, the surrounding environment in the north is still suitable for planting plants in spring, and the external environment is also suitable for plant growth. The germination rate of plants in spring is also high, and the growth of Pinus thunbergii in spring is also very good.
South: Actually, the time for planting black pine in the south is more flexible. Black pine seeds can be planted from spring to autumn. It is recommended that you sow every spring.
Precautions:
Soil treatment: before planting, some impurities in the soil should be removed and the soil should be dug deep. If conditions permit, we can also add an appropriate amount of organic fertilizer to the soil, which is beneficial to the subsequent growth of plants.
Planting methods: there are mainly planting methods such as drilling, sowing and hole sowing. Different seeds have different uses and different planting forms; After planting, you need to cover the soil. Different seeds have different soil covering conditions, and then carefully compacted, so that seeds can better contact the soil and absorb water and nutrients.
Proper watering: seeds can't germinate without water. It is necessary to ensure sufficient soil moisture and prevent excessive water. Water accumulation will cause seeds to rot.