In the germination stage, the water is irrigated with buds and the quick-effect nitrogen fertilizer is applied. The conditional orchard should be filled with water in a timely manner to ensure the buds are neat. In addition, it is at this time that flower buds continue to differentiate and new shoots begin to prosper. When a large amount of nutrients is required, 0.2% urea should be mixed with decomposed human waste, and the amount of fertilizer should account for about 15% of the whole year.
When the buds usually germinate when there is more than one bud on the mother branch, one bud is left every 15-20 centimeters, leaving 2-5 new shoots per mother branch and the rest removed from the base. When the buds are wiped, the apical buds or weak buds in the two buds are generally erased, and only 1 shoot is left in one bud. Of course, in order to ensure the yield, it is also possible to decide whether to leave the first coil when the new shoot grows to 4-5 leaves, but wastes more nutrients.
Before the flowering of the tip of the tip of the vine, the leaves remain above the spike to leave 5 leaves topping, while the tip of the flower leaves 8 leaves topping. After topping, there will be a large number of budding shoots, leaving only 1-2 apical shoots at the top and leaving 2 leaves to pick up the heart. The rest of the shoots are wiped off. At the same time, it is necessary to tie the vines according to the growth of 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 the ear with more results and then bagged.
Cultivated weeding and disease prevention Grapes begin to prevent disease when they germinate on 3-5 leaves, spray once every 7-10 days, especially after the rain to strengthen spraying protection, and pay attention to cultivating and weeding. This period is mainly to prevent grape black spot disease, gray mold, rust and so on.
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