The method of applying base fertilizer to grapevine in autumn is explained in detail! When is the best time to give it?

Grape planting experts all know that after grape fruit is ripe and picked, it is necessary to fertilize the vines, but there are also many people who plant vines in autumn, and if they want to grow grapes well, they must apply good basic fertilizer. so when is the best time to apply base fertilizer? Do you understand all the methods of applying base fertilizer?

1. Apply basic fertilizer to grapes in autumn

The so-called ripening of grapes is the ripening of the fruit and the ripening of the tree. Now that most grapes have been harvested, that is, the stage of fruit ripening has been or is coming to an end, it is time to enter the second stage-tree nutrition reserve, and this stage is also a "small peak" of underground root growth. Then our management measures at this stage in autumn should revolve around the center of "harvest": one is to improve the physical and chemical properties of the soil to provide a good growth environment for root growth, and the other is to prune roots so that they can be renewed and maintain exuberant growth vitality. To accomplish these two tasks, we can start with applying base fertilizer in autumn.

1. When is the best time to apply base fertilizer to grapevines in autumn?

From late August to late October after fruit picking, it is better to apply early than late. If grapes cannot be picked and put on the market for other reasons, they should be ditched and fertilized on time, even if they have not been fully harvested, and should not be postponed until after the end of October.

two。 Applying basic fertilizer to open ditches in autumn

For one-to two-year-old vineyards, one side of the original planting ditch is 30-45cm wide and 40-50cm deep. If possible, ripe soil and raw soil can be placed on both sides of the ditch.

For vineyards three to four years old, the same ditch is opened outward at the edge of the trench before extension. Remember not to open the ditch in the "old place" every year, and expand it out in turn like this. After about four to five years, you can basically "turn over" all the land, and then you can stop applying basic fertilizer in autumn for a few years.

3. Selection of base fertilizer application in autumn

Organic fertilizer, fermented farm manure, microbial fertilizer and calcium superphosphate are all high-quality basic fertilizers. These base fertilizers are continuously nutritious and effective for a long time, which can improve the soil and make the soil loose and breathable. We all know that the soil temperature is high in winter, so the application of base fertilizer is conducive to root growth and absorption. The amount of organic fertilizer per mu is not less than 3m3, the right amount of bacterial fertilizer, superphosphate 50ml 100kg per mu.

4. Fertilization and backfilling

Spread the above fertilizer evenly on the soil dug out on both sides of the ditch, and then backfill it together into the ditch. If the raw and mature soil is open when opening the ditch, you should first backfill the ripe soil, and then backfill the raw soil. Put the remaining raw soil into the planting row to form a high ridge naturally.

5. Summary of fertilization in Autumn

It is generally believed that fertilization in autumn is to increase nutrition, which is reasonable. But in fact, the nutrient accumulation of the tree at this time is more important to rely on good photosynthesis. According to the internal laws and seasonal cycles of the tree, the new shoots will begin to stop growing after entering autumn, preparing for dormancy in winter.

In addition, during this period, the root system is in the second small growth peak of the year, the root system is mainly growth and storage, and the absorption function has decreased, so the fertilization in this period is not to "increase nutrition" in the general sense.

Summary: the above is the detailed explanation of the method of applying base fertilizer to grapevines in autumn. Hope to help you, this article is integrated into the network.