Tomatoes in early spring for cultivation management techniques

It’s about to pass the New Year, and after the end of the year, many vegetables will start to change. In the early spring, the vegetables were changed, and the tomatoes were the earliest. Let’s take the tomato as an example to talk about the management plan when the vegetables were changed in the early spring.

Different tomato gargles have great environmental differences during colonization and growth, and there are also great differences in management points and occurrence of pests and diseases. Vegetable growers should choose the most suitable cultivation management plan according to different sheds, soil conditions and local conditions, and improve the level of planting management.

1. Characteristics of early spring 茬 vegetable change period

Early spring 茬 refers to the sputum planted in December and February. The high temperature greenhouse in Shandong is generally planted in December-January. The arch shed is generally planted from the end of January to February. The sooner the vegetables are listed in the spring, the higher the price. Therefore, when the vegetables are changed in the early spring, it is usually time-critical and the task is heavy, and it is necessary to race against time. Pulling, fertilizing, soil preparation, etc., is best done in 1-2 days.

In the early stage of seedling colonization, the ground temperature is low, the light time is short, the intensity is low, and the flower bud differentiation in the early stage is susceptible. The first ear fruit is difficult to sit on the fruit and has many deformities. The functional products such as alginic acid and Rongdi should be used in advance to promote flower bud differentiation. The temperature rises in the later stage and is very suitable for vegetable growth. The severe weather mainly consists of smog, blizzard, and cloudy days in the early stage, medium-term strong winds, cold springs, and dry hot winds in the later period.

2. Base fertilizer program

It is recommended to use soybean meal organic fertilizer and compound fertilizer as the main ingredient. 1000 kg of decomposed organic fertilizer, 50 kg of compound fertilizer, 50 kg of calcium magnesium phosphate, and 20 kg of compound trace element fertilizer. Never use unripe manure in large quantities to avoid smoked seedlings. In winter, there is less ventilation, low ground temperature, slow manure, and less ventilation. Once it encounters snow and snow, it is easy to appear smoked seedlings, which is very dangerous. Even if there is no obvious smoked seedlings, harmful gases such as ammonia generated by manure decomposing can cause root damage and increase the incidence of blight and root rot.

3. Selection of seedling transplanting program

As the saying goes, "Miao is good for three points," the quality of the seedlings is directly related to the management after the planting and the subsequent high and low yields. At present, the emergence of factory breeding seedlings, and their own seedlings have been very few, just introduce the selection of seedlings.

(1) Standards for high quality tomato seedlings: good leaves, white roots, thick stems

The criteria for selecting high-quality seedlings have been introduced many times. The seedlings that meet the above criteria are good seedlings and can be accepted with confidence. Check the seedlings to ensure that the seedlings are of high quality, disease-free and insect-free, which is the key to reducing the problem after planting. Checking it takes less than five minutes, without any cost, but it can avoid subsequent disputes and countless times of spraying, saving effort and saving money.

Spring seedlings need to be raced against time. Vegetable farmers can order seedlings 7-10 days in advance. After receiving the seedlings, the seedlings are transplanted into the nutrient bowl, and the seedlings are continued to be planted until 6-7 leaves. After transplanting the seedlings, it is necessary to strengthen management, pay attention to spraying foliar fertilizer and fungicide to prevent disease.

Formulated with bio-bacteria: 1000 times of volcanic alginic acid, 1000 times of chitosan, 500 times of Bacillus subtilis, 500 times of Trichoderma harzianum

The formula based on chemical agents: 1500 times for Fu Shuai, 1000 times for Zhongshengmycin, and 1000 times for Huajifu alginic acid.

About the tomato early spring change management program today analyzed so much, please have a lot of reference to the needy vegetable farmers.

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