Tomato tree planting techniques how to plant tomato trees

The appearance of tomato is red and round, it looks very attractive and lovely, and the edible value of tomato is still very high, so it sells very well in our country, and many people like to eat it. So there are more and more people planting tomato trees in recent years, and there are some skills about how to plant tomato trees.

Planting techniques of Tomato trees

1. Master the appropriate temperature and humidity to prevent the seedlings from overgrowing. The temperature of emergence should be 25 ℃ 30 ℃, the plastic film should be removed after 70% of the seedlings are unearthed, and the bed temperature should be maintained at 20 ℃. After the cotyledons of the seedlings are extended, the bed temperature should be 15 ℃, 30 ℃ during the day and 20 ℃ at night, and the plant distance is 4 cm after 1 true leaf. The seedlings can be divided into 1 Mel once at the seedling stage. Basically no watering before seedling, after emergence to 2 Mel 3 true leaves using the method of covering soil by stages, a total of three times, about 1 cm each time. If the one-time seedling separation method is adopted, this method can be used.

2. Planting methods: the ways of planting seedlings are flat planting, furrow planting and cropping planting. According to the order of irrigation, it is divided into "dry planting" and "water stable seedlings". Do not plant seedlings too deep or too shallow. Planting too deep, low soil temperature, is not conducive to root growth, slow seedling. The planting is too shallow, although the high soil temperature is beneficial to the root growth, it is unstable and the seedlings are easy to be washed away by irrigation or blown down by strong wind. In general, the planting depth should be flat or slightly deeper between the soil block and the surface. If the seedling is unruly due to improper management of the seedling bed or untimely planting, the stem end of the seedling can be planted southward in the shape of a boat bottom, so that the stem tip exposed on the soil is slightly inclined to the south, so as to reduce the height of the seedling on the ground, prevent sunburn and being blown by the wind, and promote adventitious root growth.

Fertilization Technology of Tomato

1. Base fertilizer at seedling stage: 100-150 kg of rotten mixed dung was applied on 11 square meters of seedbed, mixed with 1 kg of calcium superphosphate and 0.3 kg of potassium chloride. It can cultivate strong seedlings and promote the early formation and rapid development of flower buds.

2. Topdressing at seedling stage. Combined with watering, the application of rotten dilute dung or 0.1%-0.2% urea can also be applied without topdressing depending on the seedling growth.

3.Fruit fertilizer. When the first ear is enlarged, 500-1000 kg of manure or 15-20 kg of chemical fertilizer should be applied during watering. This topdressing should be timely to prevent fruit malnutrition.

4. Fat fruit. The second and third ears, when expanding rapidly, topdressing 2 to 3 times, applying 13 to 20 kilograms of nitrogen fertilizer per mu, and 10 to 15 kilograms of superphosphate at the first topdressing. Meet the rapid growth of fertilizer, prevent premature senescence, and promote fruit fullness.

5. Fat in the later stage of full fruit. Can be combined with medication, foliar spraying 0.3%-0.5% potassium dihydrogen phosphate to prevent premature senescence and improve fruit quality and yield.

Watering Technology of Tomato

In the same case, the tomatoes are watered while planting, and then slowly watered again 3-5 days after planting, until the first ear is as big as egg yolk. Results the early planting was small, the leaf transpiration was small, the number of fruits was small, and the ventilation rate was also small, so it could be watered for 7 to 10 days. Later, with the growth and development of the plant, the number of fruit, ventilation and transpiration should be increased. The watering interval should be shortened and the amount of water should be increased to keep the soil dry and wet. Generally, the soil can be watered for 5-7 days, and the soil should be kept moist during the harvest period. to increase the weight of a single fruit.

Control of Diseases and insect pests in Tomato

1. Bacterial wilt is a bacterial disease, which is easy to occur under the condition of high temperature and humidity in summer. If it was previously used as a peanut or eggplant crop, it would occur more quickly. There is no specific cure for the disease, so it can only be prevented as soon as possible. Drug control: in the initial stage of the disease, 72% agricultural streptomycin sulfate 4000-fold solution or agricultural antibiotic "401" 500-fold solution was used to drench the root for 2 times for 3 times.

2. Helicoverpa armigera, Spodoptera litura, Spodoptera exigua and Spodoptera exigua eat tomato flowers, buds and fruits with larvae, which mainly decay fruit, cause fruit shedding, and easily cause bacteria to invade and cause rot, resulting in serious reduction in yield. Must be in the young age, that is, when the hatching larvae have not eaten the fruit: spray with 2000 times of 20% cypermethrin, 2500 times of 2.5% bromocyanoate, 2000 times of Yitaibao, 2.5 times of kungfu, 3000 times of trichlorfon and 1000 times of dimethoate, etc. the effect is better in the morning and evening.

The cultivation of tomato must be carried out at the right time and temperature, so as to ensure the survival rate of tomato. The planting method is relatively simple, mainly in the later stage to do a series of field management work, fertilization, watering, pest control are indispensable. Only when these are done well can tomatoes grow well and produce high yields.