Cold Shed Tomatoes

Recently, Liu Wenying, a vegetable farmer in Raoyang County, inquired that his own planted cold-sheafed tomatoes. The fruits are very small. What is the reason? The analysis is as follows:

The first reason is temperature. The optimum temperature for the growth of tomato stems and leaves is 20°C-25°C. The result is a suitable daytime temperature of 25°C-28°C and nighttime temperature of 16°C-20°C. Temperatures lower than 15°C or higher than 30°C will prevent normal fertilization of tomatoes, cause slow growth of plants and fruits, or the formation of malformed fruit, or even smaller. The temperature in Raoyang area is still maintained at 30°C during the day and it is easy to form malformed fruit or small fruit.

The second reason is the variety. There are many types of tomatoes, such as big fruit, medium and large fruit, and small fruit. When buying tomato seeds, you should ask the merchant about the characteristics and quality of the good tomatoes. Cold Shed is generally the choice of large fruit varieties, because of the appropriate environment, large fruit varieties can better play its high yield characteristics.

The third is improper fertilization. Tomatoes apply potassium sulfate fertilizer, try to avoid the application of potassium chloride fertilizer. In addition, when potassium sulfate fertilizer and organic fertilizer are used, water content should be properly controlled to improve the quality and yield of tomatoes. Potassium fertilizer should be applied more to the tomato during fruiting period to promote fruit growth.

Fourth, there are too many fruits. If the plant growth is weak, it is necessary to rationally select the number of fruits, do not leave too much fruit, otherwise the plant growth will be even more weak, can not guarantee the late yield, and the fruit is not grown.

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