Grape growth and management measures
In the germination stage, the germination water is applied, and the quick-acting nitrogen fertilizer is applied. The conditional orchard should be filled in the garden in time to ensure the germination is neat. In addition, at this time, when the flower buds continue to differentiate and the new shoots begin to grow, a large amount of nutrients are needed. The decomposed human excrement should be mixed with 0.2% urea, and the amount of fertilizer should account for about 15% of the whole year.
The buds usually have a plurality of buds on the mother branch when germination, leaving a bud every 15-20 cm, leaving 2-5 new shoots for each resulting branch, and the rest is erased from the base. When buds are applied, the buds or weak buds in the double buds are generally erased, and only one tip is left in one bud. Of course, in order to ensure the yield, when the new shoots grow to 4-5 leaves, depending on whether the first coil has spikes, it is decided to stay, but waste nutrients are more.
Before the flowering of the new shoots retained by the fixed-tip vines, five leaves were taken from the top of the flowering ears, while the leaves without the flowers left eight leaves. After the topping, there will be a large number of germination tips, leaving only the top 1-2 secondary tips and leaving 2 leaves repeatedly topping, and the remaining secondary tips are completely erased. At the same time, it is necessary to tie the vines according to the growth of the vines.
The treatment of flowering ears is to ensure the fruit setting rate. Usually, the tip of the spike of 1/5 is removed by artificial method, and 0.3% boron fertilizer plus 0.5% urea is sprayed at the flowering stage. Five days after flowering, artificially thinning the fruit with more results, and then bagging protection.
When cultivating weeding and disease control, grape germination starts to prevent disease when spraying 3-5 leaves, spraying once every 7-10 days, especially after rain, it is necessary to strengthen spray protection, and pay attention to cultivating and weeding. This period is mainly to prevent grape black pox, gray mold, rust and so on.
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