How to change the basin of Magnolia
I. the choice of time
The most suitable time for Magnolia to change the pot is in April, when changing the pot, you should choose a larger flowerpot than the original flowerpot, so that its roots can have enough space to grow.
Second, the method of changing the basin
When you plan to change the basin, you should water the four sides of the basin one day in advance, so that the soil can be better separated from the basin, or you can dig out the soil at the edge of the basin and take out Magnolia and the original basin soil together. when changing the basin, you can cut off some of the old rotten roots to help it grow new roots and promote the growth of new branches.
Matters needing attention
When changing the basin for Magnolia, you should choose a permeable and loose soil, preferably sandy soil. You can apply an appropriate amount of base fertilizer to the basin soil. After changing the basin, you must water it thoroughly for the first time, and you can usually spray water on its foliage.
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How to fertilize Magnolia
To apply a sufficient amount of base fertilizer before planting, you can choose organic fertilizer; in the seedling stage, mature cake fertilizer can be applied just after the new buds grow; compound fertilizer should be applied every half a month during the growing period of the plant; a certain amount of liquid fertilizer should be applied at the flowering stage; phosphorus and potassium fertilizer should be applied after anthesis to promote plant bud growth.
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How to cut down the grass.
Before planting, the aged and disabled branches should be cut off, and the roots should be pruned when digging seedlings. After planting, the pruned plants should retain 5 to 6 main branches, and each main branch should retain 7 to 8 short buds. The dense branches and redundant branches of the plant should also be cut off before overwintering. In addition, when pruning, Bordeaux mixture should be applied to the incision to prevent pests and diseases.
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