Interplanting, that is, the cultivation method of sowing crops (planting) in the early stage when the last crop is not harvested, the purpose of which is to sell high prices as early as possible. The author found in recent survey visits that there were some problems in the management of interplanting tomatoes by the vegetable farmers, which affected their advantages. Here, we recommend that the middle of the winter in the vegetable farmers do the following four points:

First, pay attention not to prematurely interplanting time. The author observed that some shanty vegetable-growing villages in Yuncheng had interplanted squatters with tomatoes on top and bottom. Their tomato plant height was more than 1.8 meters. Although the middle and lower leaves of the plants were basically removed, there were still two picking fruits on the top but they were not picked. It takes about 25 days to pull all the gardens. In this way, the upper tomato has a shading effect on the lower tomato, coupled with weak winter light and short time. Therefore, the photosynthetic capacity of the lower tomato is poor, carbohydrate accumulation is small, and the stem is thin and prosperous. Not good for strong seedlings and strong trees.

The second is to pay attention to soil preparation before planting. Many vegetable plots are convenient and do not conduct fertilization for soil preparation. The tomato seedlings were planted directly on the two tomato plants. The author believes that doing so is not conducive to slow seedlings and strong seedlings. Without soil fertigation, soil compaction and fertility decline, affecting the root development of tomato and the nutrient requirements throughout the growing period. Production suggestions: First, on the outside of the upper tomato row, follow the operation line, open the small ditch with iron, about 20 cm deep, 25 cm wide, and then ditch Fermented soybean meal, the amount of mu 130 kg, and then use the operation within The soil is covered with ridges and the ridge height is about 15 cm. It is advisable to plant the tomato on the ridge.

Third, special attention should be paid to preventing diseases after interplanting. In production, vegetable farmers tend to neglect the management of tomato disease at the later stage. The result is not only the heavy disease of the Shangyu vegetables, but also the infection of the infected tomato, such as gray mold and leaf mold. Therefore, it is necessary to prevent and treat the tomato disease in Shangyu in a timely manner. At the same time, it must also prevent the incidence of tomato in the lower jaw.

The fourth is to pay attention to cover the film early.

During the deep winter period, because of the low temperature and poor light environment, the tomato plants are in a low temperature and low light environment. Therefore, it is necessary to cover the plastic film as soon as possible to increase the ground temperature, maintain the soil moisture, and promote the slow seedling growth.

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