1, not easy to use excessive swelling agent and reminder
A lot of growers used grapes to expand rapidly for the morning market. They used excessive amounts of bulking agents and ripening agents. Although the fruit was large, they were still unable to mature. The phenomenon of greediness appeared, uneven coloration, thick handle, and peel. There are granules and the taste is extremely sour. More importantly, due to the rain this fall, if the application of excessive swelling and ripening agents, grape swelling speed will be significantly accelerated, but also cause premature aging of the tree leaves.
2. Reasonably leaves tips to adjust vegetative growth
The yield and quality of the grapes depend on the growth of the leaves and shoots, the yield of the plants is too high, the nutrition regulation is uneven, the quality of the fruits is poor, and the ripening is postponed, and the fruit has low sugar content, poor coloration, and poor hardness. In terms of management, appropriate thinning of fruits should be carried out. Through fruit thinning and reasonable retention of shoots, the balance of plant growth can be regulated. At the same time, the physiological functions of the leaves can be improved, the photosynthetic rate can be accelerated, and the rapid fruit enlargement, early coloration, and premature ripening can be promoted. To achieve the purpose of high yield, early maturing and high quality.
3. Reasonable use of trace elements and potash
Grape is a heavy water-fertilizer plant, and it is particularly fond of potash fertilizer. During fruit enlargement and coloring, potassium can increase sugar and reduce acid and promote fruit coloration. However, grape growers currently rely on their experience for fertilization and have a lot of blindness, resulting in malnutrition and quality of agricultural products. In management, the use of balanced elements should be used to apply phosphate and potassium fertilizers to the plants during the coloring period, which can facilitate the accumulation of sugars and the formation of proteins, increase the fruit chroma, and can be sprayed repeatedly to balance the proportion of plant elements and promote more robust plants. The growth.
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