When is the cultivation time and method of sesame? What are the high-yield technologies?

Sesame is very familiar to us. It is often seen in life. There are many foods in it. In addition, sesame is one of the main oil materials in China. It is widely cultivated in China and has significant economic benefits. Let's take a look at the cultivation method of sesame.

Sesame planting time

The suitable sowing date of summer sesame seeds is from late May to early June. The suitable sowing date of autumn sesame seeds is early and mid-July. In the case of better heat, it can be late in late July. Whether it is summer sesame or autumn sesame, it is planted in the season of high temperature and high evaporation. Fine soil preparation, keeping water and soil moisture is the key to the whole seedling.

Sesame seeding method

There are three kinds of sesame seeds, such as sowing, sowing and striping. The amount of seeds per mu is 400g, the number is 350g, and the on-demand is 250g. In the fields with high soil fertility, less pests and diseases, and high water content, it can be properly broadcasted.

1. Spreading: Spreading is the traditional sowing method in the Jianghuai area, suitable for sowing and ploughing. When the seeds are spread, the seeds are evenly evacuated, the soil is shallow and the emergence is fast, but it is not conducive to field management.

2. Striping: The stripping can control the plant spacing, and implement reasonable planting to facilitate field management such as intercropping and cultivating, which is suitable for mechanized operation.

3, on-demand: on-demand 5 to 7 seeds per hole. Regardless of the seeding method, shallow sowing and even spreading, the depth is 2 to 3 cm.

Planting method

1. Soil preparation and land preparation

Sesame is warm, can be spring and autumn, but most of it is planted at higher temperatures, so it is extremely important to choose soil and maintain water and nutrients. In areas with more soil moisture, it can be fined after turning over the ground. Ground, can be covered directly after sowing;

In areas where soil moisture is insufficient, it is necessary to turn the ground immediately after sowing, and then cover the moisturizer with the stem of the film or other crops. In the process of growing sesame, it is afraid of cockroaches. Therefore, in areas with more rainy weather, it is necessary to ditch the sputum, which is conducive to irrigation and drainage.

2, sowing seedlings

Sesame seeds should have suitable temperature for emergence, so they are usually planted at 5-6. Seeding is a little sowing, spreading and striping. The seeding is seeding in the no-point. This method of seeding is cumbersome, but Easy to manage after emergence;

Spreading is to spread the seeds evenly in the planting area, and the emergence of seedlings is fast, but it is not easy to manage; the seeding is to rationally control the spacing of the plants, reasonably close planting, suitable for large-scale planting, and convenient mechanized operation.

But no matter which kind of seeding method, it should be shallow covering soil, covering soil 2-3cm. After sowing, the insecticide can be diluted once by spraying, which can reduce weeds and water the soil. After maintaining a suitable temperature and humidity, it can be emerged in about half a month, and when it grows 2-3 leaves, it can be seedlings.

3. Fertilizer management

In order to be high-yield and high-yield sesame, fertilization is the key point, but how to apply fertilizer? Sesame fertilization should grasp the method and time, pay attention to the combination of fertility.

Generally, sesame is fertilized in three time. First, after seedlings, there are fewer sesame seeds. It is often unfortunate that fertilization will cause it to grow very fast, but it is not conducive to its late growth, so try to apply less nitrogen fertilizer. It can be watered with thin manure.

The second is in the bud period of sesame seeds. At this time, it has a large demand for nutrition. It needs to provide sufficient nutrients to make it bloom smoothly. At this time, fertilization is generally based on nitrogen fertilizer, supplemented by phosphorus and potassium fertilizer.

The third is the flowering period. The sesame grows extremely rapidly during the flowering period. At this time, the root system has grown well and has strong absorption. The nutrients absorbed in this period account for 70% of this growth period, so the fertilization must be re-applied.

4. Field management

In the case of timely seedlings and weeding, the whole growing season should be cultivated 2-3 times. When cultivating, the soil can be loosened, which is beneficial to drainage and flood control and prevent plant lodging. Sesame is sensitive to water, not drought-tolerant, and fearful of phlegm, so watering and drainage must be done well.

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