Before the winter, the grape vines are trimmed and the branches are tied with straw ropes. Scaffolding planted by the size of the plant dug long trenches, the direction of the ditch can be parallel or vertical plant growth direction, width, depth of 30-45 cm, depending on the length of the plant may be. If the fences are planted, do not dig the cold-proof ditch. After the branches and vines are tied, place the two adjacent plants in the direction of planting lines and pour them on the ground, and take the soil cover between the rows. After all the plants are buried, add 8-10 cm of soil and use solid wood. The base of the plants can be covered with thicker soil. The sorghum stalks can be placed on the plants before covering the soil to prevent damage to the grape buds in the spring. If there is a blanket disease hazard, it is best to spray 5 Baume degrees lime sulfur mixture before the cold.
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