The summer vineyards are cooled in the following ways:
The first measure: irrigation sunscreen
The transpiration of grapes is a good way to dissipate heat by absorbing some of the heat from the process of turning water into water vapor, thereby reducing the temperature of the leaves. So especially in the hot summer months, grapes need some water to ensure transpiration. Some producing areas have more rain in summer and do not have to worry about water shortages; however, some areas with less rainfall need irrigation, but avoid other problems caused by excessive water.
The second measure: trimming sunscreen
In addition to the grape's own function, the hard gardeners also have many ways to help the grapes cool down. Depending on the climate and the region, the grapes are trimmed into many different tree shapes. In hot climates, grapes are usually trimmed into tall cups that hide the fruit under the leaves and do not directly touch the sun, thus preventing the fruit from being burnt by the sun.
The Goblet is an ancient way of trimming grapes. Without the wire or other support system, the vines grow in the shape of a goblet. The trunk of the grape is short, about 0.5 meters, with some tillers at the top of the trunk. The high-cup style is characterized by the fact that the vine is free to grow without any support frame; the trunk is short, the branches are branched outward, and each branch has a small branch of the result. There are usually two winter buds on the mother branch, and after the germination, grape vines, leaves and flower buds grow. The branches are concentrated at the top, blocking the sun like an umbrella and avoiding sunburning the grapes. This type of grape is not suitable for harvesting with machines.
The third measure: site selection is very important
If you want to be protected from the hot weather in the summer, it is best to grow the grapes in a relatively cool growing area that meets the grape growing conditions.
1. Places farther from the equator and higher latitudes, such as Germany and Canada.
2. In the higher altitude production area, the temperature will drop by 0.6 Â°C for every 100 meters of altitude. In some relatively hot areas, such as Cafayate in northern Argentina, grapes can be grown at higher altitudes.
3. There are production areas where the cold current passes, such as the production areas along the coast of Chile.
4, foggy production areas, fog can help the vineyard to cool down, which is one of the important characteristics of many top vineyards in California and Casablanca Valley.
5. Vineyards with more water in the soil, because the more moisture the soil contains, the more heat is needed to heat up, so they need to absorb more heat than the dry soil.
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