Spring is the season when the grapes sprout, and the elongation, heading, and flowering of the branches and branches are increased. The strengthening of grape management in spring will increase the yield and quality of grapes.
In the germination stage, the water is irrigated and the nitrogen fertilizer is applied quickly. The conditional orchards at this stage should be filled with water in a timely manner to ensure budding and orderliness. At this time, it is the flower buds that continue to differentiate and the new shoots begin to thrive. When a large amount of nutrients is needed, the human feces and urine is mixed with 0.2% urea, and the amount of fertilizer is about 15% of the whole year.
Fix shoots, wipe buds, spikes, and disease control. After winter refurbishment, the winter buds on the mother twigs usually have 70% to 80% germination, and care should be taken to keep the buds. Too many buds remain, it is easy to waste nutrients, weak tree vigor, is not conducive to fruit setting; However, if too few buds are left, it is easy to promote the growth of strong twigs, and it is easy to severely drop flowers and fruit. Therefore, we must pay attention to wiping shoots.
When the buds often have one bud on the mother bud, germination occurs every 15 to 20 centimeters, leaving 2 to 5 new shoots for each result, and the rest are erased from the base. When the buds are wiped off, the apical buds or weak buds in the two buds are generally wiped out, and only one shoot is left in one bud. Of course, in order to ensure the yield, it is also possible to determine whether to leave the first coil when the shoot length reaches 4 to 5 leaves, but this wastes more nutrients.
The tip of the preserved tip of the vine was left with five leaves above the flower head before flowering, and 8 leaves were left without flowers. After topping, a large number of axillary shoots were sprouted, leaving only 1 to 2 apical shoots on the top and leaving 2 leaves repeatedly topping. The rest of the auxiliary shoots were all erased. At the same time according to the growth of vines tied vines.
Treatment of Flowering Ears To ensure fruit setting rate, one-fifth of the panicle spikes are usually removed manually and 0.3% boron plus 0.5% urea is applied during the flowering period. Five days after flowering, artificial fruit thinning was performed on fruit trees with more fruits and then bagged.
Cultivated weeding and disease prevention Grapes begin to prevent disease when they germinate between 3 and 5 leaves. New high-fat lipid membranes are sprayed 600-800 times every 7 to 10 days, especially after the rain, spray protection must be strengthened, and cultivating and weeding should be observed. This period is mainly to prevent grape black spot disease, gray mold, rust and so on. If germs have been used, commonly used drugs, carbendazim 800 times + 600 to 800 times the new high-fat membrane treatment.
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