Introduction to High Yield Grape Fertilization Techniques
Main text core guide: This is an introduction to the green plant and flower knowledge about the high yield grape fertilization techniques, let's follow the editor to see the specific content!
Introduction to High Yield Grape Fertilization Techniques
Many crops cannot be planted without fertilization. Today, let's talk about grape fertilization. In fact, grape fertilization is the key to improving grape yield and quality. So, how to fertilize grapes? What are the precautions for fertilizing grapes?
Fertilization Rules
Before fertilizing grapes, it is first necessary to understand the plant's nutrient requirements, then fertilize reasonably according to its nutrient needs to ensure the normal growth of grapes. Grapes are a fertilizer-loving plant, requiring a large amount of fertilizer, especially during the fruit filling period. Next, the demand for potassium fertilizer is high, and the demand for trace fertilizers is also higher than other fruit trees. Finally, the nutrient needs of grapes will also change accordingly during different growth stages. We should fertilize according to their growth and development stages and not abuse fertilizers randomly.
Base Fertilizer
The base fertilizer dosage is large and related to the plant's growth throughout the year, playing an important role in grape growth. The base fertilizer dosage accounts for about 70% of the total annual chemical fertilizer, even more. The base fertilizer for one-year-old grape plants is generally applied after the autumn harvest. Fertilizing at this time can promote the recovery of tree vitality, enhance the ability to resist cold in winter, and promote the germination and bud differentiation of grapes the following year. Base fertilizer is mainly organic, supplemented by a moderate amount of chemical fertilizer. The total amount of fertilizer is about 850 kilograms. Base fertilizer is mainly applied in ridge furrows to avoid damaging the grape roots.
Top Dressing
Late-season grape top dressing can be divided into five stages: germination promotion, pre-flowering, fruit enhancement, coloring, and post-harvest top dressing. Different periods require different amounts of fertilizer. Generally, in February, top dressing is dominated by nitrogen fertilizer, with an application rate of about 20 kilograms per mu, and applying 10 kilograms of phosphorus fertilizer in furrows or holes is appropriate. Pre-flowering fertilization is carried out at the end of April, dominated by nitrogen and phosphorus fertilizers. The application of nitrogen fertilizer is controlled at 15 kilograms per mu, and the application of phosphorus fertilizer is around 10 kilograms, and it should be watered after application. The amount of fertilizer during the fruiting period is large, mainly nitrogen and potassium fertilizers. Potassium fertilizer is about 40 kg, and nitrogen fertilizer is about 30 kg. To make the grape color more uniform and improve the quality, it is necessary to apply potassium and magnesium fertilizers reasonably. Finally, after the grape harvest, to alleviate the tree's stress, a ternary compound fertilizer can be applied, about 15 kg. Of course, this can also be combined with the base fertilizer for the next year.
Precautions for Fertilization
When fertilizing grapes, several points should be especially noted. First, the base fertilizer should not be applied too shallow, as it may cause seedling death. Second, appropriate fertilization should be done during the germination period to avoid yellowing leaves, but avoid excessive or unnecessary iron supplementation. Also, more is not always better when it comes to fertilization; it should be done reasonably. Lastly, when fertilizing, do not get too close to the trunk, and after fertilization, it is important to water.
The above introduction to the specific techniques for high yield grape fertilization aims to bring some flower knowledge to flower enthusiasts.