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Organic lemon sapling cultivation tips

2018-06-04 22:16:21   FROM:    HITS:
Organic lemons are extremely soft in storage and have a high rate of decay. At present, the main natural cryogenic storage or rapid freezing to extend the storage period and reduce the loss of decay. Here are some organic lemon young planting techniques:
In countries and regions where citrus is produced globally, many countries and regions cultivate lemons. Lemon is a popular type of citrus fruit. Its rich nutrition, rich in more citric acid, vitamin C, vitamin B, vitamin P and other vitamins, lemon juice, the acid content of up to 6% to 7%. In addition, lemon also contains calcium, iron, magnesium and other mineral elements that are beneficial to human health.
First, the growth characteristics of organic lemon shoots lemon strong growth potential, pumping 3 to 5 times a year new shoots, multiple shoots, flowering, results, long shoots, stout, good yield.
Spring shoots from April to April: Shooting time of new shoots is relatively uniform, and the number of shoots is short, fine and neat, and most of the flower buds are differentiated to form the resulting mother shoots.
Summer shoots from May to July: The shoots grow robustly, grow stronger, absorb more nutrients, have dark green leaves, and the cross-sections of the shoots are saccharose-like, making it easy to form leggy branches.
Autumn shoots from August to October: Most of them are the mother trees that are the result of the leap year. Affected by the flowering results, the number of hairs is small, the branches are slender, and the development is not substantial.
Winter Tip 11 ~ January of the following year: Affected by low temperature and nutrients, the number of hair loss is small, nutrition is insufficient, and yellowing is easy to occur.
Second, organic lemon trimmed saplings and early fruit trees The main purpose of pruning is to cultivate the crown of the tree in order to expand the canopy faster and better. Saplings are suitable for pruning during the winter season. During the growing season, the pruning and the necessary short cuts should be carried out to preserve the branches and auxiliary branches as much as possible. Trim points:
1. Long shoots Pinus saplings should draw long shoots, after each season branches shoots, in addition to the tips of preserved 8 to 10 picking heart, the rest have to be tender shoot tipping. It is advisable to leave a length of 20 to 25 cm to enrich the robust canopy, early branching and multiple branching so as to expand the canopy as soon as possible.
(2) The timely removal of the buddhist branch and the long branch to disturb the tree shape and waste of nutrients shall be promptly erased.
3. Pull the branches on the upright strong shoots, should adopt pull, support method. Stronger branches pull down, support large branch branching angle of 40 ° ~ 50 °, the young tree to take pull, support measures, can make young trees 1 to 2 years earlier results.
4. Putting buds on the tip of the young trees can be wiped in the summer to put shoots, put a fall shoot, in order to facilitate the expansion of the crown as soon as possible.
5. Summer shoots grow vigorously saplings, and there are more strong shoots. As summer growth is not easy to attract autumn shoots, it is not conducive to flower bud differentiation, in May to July to wipe buds and sparse shear. Therefore, all of them were cut off in early August, so that more autumn shoots were extracted from late August to early September. Most of these autumn shoots bloom in the following year.
6. Auxiliary branches Cultivate twigs usually planted in the crown, as long as they are not leggy and dense, they should generally be preserved. These twigs are often a good result of saplings.
7. Sparse Buds The buds and fruit appearing on the weak trees of the saplings before they are planned to produce fruit should be removed promptly to promote the nutrient production of the tree and form the crown as soon as possible and put into production.
Third, the organic lemon flower and fruit protection measures After the bud germination of the first application of 0.2% zinc sulfate, spraying 0.5% urea + 0.2% of superphosphate + 1% potassium sulfate before flowering, Xie spend 2/3 or thank After flowering, it is sprayed with 0.4%~0.5% urea+0.2%~0.3% potassium dihydrogen phosphate and Baohua Baoguo (Sanxiao Green Leaf God). The fruit enlargement period is 0.3% urea+3% superphosphate+0.5%. Potassium sulfate spraying. After the young fruit is stable, it is necessary to maintain sufficient soil moisture, and the key is to drench the water once in 10 days before the spring.
Fourth, organic lemon fertilization fertilizes unsuccessful saplings, the purpose is to promote the crown as soon as possible, so that it can be put into production as soon as possible. However, attention should be paid to preventing over-fertilization and excessive growth of excess nutrients so as to avoid delaying the outcome of flowering. To fertilize saplings, we must master the principle of “diligent and thin application”. The young fruit trees are mainly fertilized three times a year:

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