What are the fertilization methods and precautions for transplanting grapes in autumn?
Grapes are one of the oldest fruit tree species in the world, eaten fresh or made into raisins, and used for winemaking; the lees after winemaking can be used to extract tartaric acid, and the roots and vines used medicinally can stop vomiting and prevent miscarriage.So what should be noted when transplanting grapes in autumn? How should they be fertilized? What methods are there?
What should be noted when transplanting grapes in autumn?
1. Choose a suitable plot and healthy seedlings.
2. Prepare the soil and fertilize carefully to improve planting quality.
3. Strengthen post-planting management.
In the past, grapes were generally planted in spring, and autumn planting was rare. In recent years, scientific research and production practice have shown that autumn planting of grapes gives better results than spring planting.
How should grapes be fertilized in autumn? What methods are there?
1. Benefits of applying autumn fertilizer: First, it can increase the accumulation of nutrients in the tree. Second, it helps the cut root system heal and produce new roots. Third, it avoids soil drought caused by fertilization. Fourth, it allows the base fertilizer to release its fertilizer effect at the right time.
2. Timing of applying autumn fertilizer: Generally speaking, early and mid-season grapes can be fertilized right after harvest, late-season grapes can be fertilized right before harvest, and it is best to finish applying it by early October at the latest.
3. Methods of applying autumn fertilizer: First, trench application. Generally, a trench is opened along the planting row and the fertilizer applied in. If applying base fertilizer for the first time after planting, a trench 30 cm wide and 60 cm deep can be opened outward along the outside of the planting trench. When opening the trench, keep the topsoil and subsoil separate; before fertilizing, first backfill a layer (about 10 cm) of topsoil, then apply the base fertilizer and cover with topsoil. Then, stir the soil and fertilizer together once, and finally backfill with subsoil until the trench is level, leaving the surplus soil as a ridge to make watering easier. Second, broadcast application. This method is commonly used in old vineyards. That is, the base fertilizer is spread evenly between the grape rows and then plowed in. The advantage of this method is that it saves labor and time and covers a wide fertilizer area. The disadvantage is that the fertilizer is applied too shallowly, so the amount of fertilizer needs to be increased.
4. Several issues to note: First, the base fertilizer must be applied after it is fully decomposed, especially chicken manure. Second, avoid damaging thick roots. Third, according to the nutrient content of the soil in the vineyard, appropriately add the lacking elements, especially some medium and trace elements. Fourth, after fertilizing, be sure to water thoroughly once. Fifth, determine the amount of fertilizer as appropriate. Generally speaking, for a vineyard with a yield of 2000-3000 kg per mu, 4000-5000 kg of base fertilizer can be applied, and where conditions permit, up to 10000-15000 kg can be applied. Sixth, for trellis cultivation, fertilizer should be applied in trenches along the direction of vine growth, moving outward from the inside year by year. Seventh, the base fertilizer should not always be applied in the same place, as this easily hinders root growth and causes rotting and death.