Nine key points of planting jujube in autumn
Planting jujube in autumn can sprout early, blossom early and bear stable fruit. And with the gradual decrease of air temperature, the wound of underground root heals quickly, the evaporation of aboveground part is small, and the survival rate is high. Planting jujube trees in autumn should pay attention to the following nine points.
1. Planting time
The earlier the jujube is planted in autumn, the higher the survival rate, and it is generally suitable to be planted from mid-September to early December.
two。 Digging
Dig 60 cm long and wide planting pits, apply sufficient bottom fertilizer, fill soil, water, and wait for planting.
3. Seedling emergence
High-quality seedlings with a high degree of Lignification are better for jujube trees planted in autumn. The nursery should be watered once before raising seedlings. Seedling emergence requires complete root system, main root length of more than 30 cm, less damage to lateral root and whisker root, and seedlings should be planted along with it.
4. Planting
Dig a good tree hole at the planting point, backfill part of the ripe soil, and then put the seedlings into the pit to straighten, fill fine wet soil, and lift the seedlings slightly upward to stretch the roots, and then fill the soil to step on. Planting depth requires that the rhizome is flat with the ground or slightly deeper, the deepest is no more than 5 cm, and cultivate a small pile of soil after planting.
5. Cut dry
Good quality jujube seedlings cut off 20 cm, poor quality cut off the seedling height 1 beat 3, and cut off a secondary branch to facilitate the germination of new branches.
6. Pour frozen water
Pour frozen water once before the beginning of winter, in the middle and late November.
7. Bury the earth to protect against cold
The seedlings should be pressed southward from the end of November to the beginning of December to prevent the sunburn caused by the great change of soil temperature above the rhizome of the seedlings. Can not bend when crushed, because the seedling is brittle and hard, it is easy to cause cracks or breaks. when crushed, you should first cultivate a 20-centimeter-high inclined soil platform on the south side of the seedling, gently press the seedling on the ramp, and then cover 20 centimeters of wet fine soil.
8. Remove cold-proof soil
Due to the late germination of jujube trees, the soil removal time is a little later than that of apples and pears, which is generally controlled in the middle of April, and can be postponed in case of spring cold. To remove the soil in two stages, first remove a thin layer of soil, and then gradually remove all the soil, and straighten the seedlings.
9. Cover with plastic film
Water was poured once before germination in spring, and then covered with plastic film to preserve soil moisture, so as to improve the survival rate of seedlings.
- Prev
The third stage pruning of planting jujube is beneficial to increase yield.
First, the early fruiting tree. The crown of jujube tree has not yet been formed, and it is still dominated by vegetative growth, but the yield is increasing year by year. This period of pruning should be based on thinning, retraction, truncation and training, and should be pruned in accordance with the principle of "four retention and five no retention". The fourth retention means that the peripheral jujube heads should be kept; the backbone
- Next
Control of arbuscular disease of growing jujube
Witches' broom disease of jujube is a viral disease harmed by mycoplastids, which is transmitted by ring leafhopper insects, or by sprouting of rhizome and leaf seedlings or grafted seedlings and carrying bacteria on rootstocks. The disease is more common in the area, and it often becomes a cancer in jujube cultivation. At present, there are several kinds of treatment.
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