Planting and Management Technology of Cotton

Since cotton was introduced into our country, the use value has been constantly excavated, and many items in our life are inextricably linked with cotton. Cotton is widely used and widely used by people, so it is more important to increase cotton yield per mu. How can cotton be planted and managed to make cotton more productive?

Planting and Management Technology of Cotton

1. Grasp the whole seedling

Measures should be taken as soon as possible where there is a shortage of seedlings: the prepared seedlings sown at the same time should be transferred to the place of lack of seedlings as soon as possible, the earlier the seedling is transferred, the shorter the seedling stage is, the faster the normal growth is, and the more it can narrow the difference with other seedlings. When there are no prepared seedlings, extra seedlings should be transferred as much as possible, and the sooner the better. If there are no prepared seedlings, no extra seedlings between rows and lack of seedlings, they should be replanted as soon as possible. The transplanting or replanting of the missing seedlings should be sparse properly, so that the deficiency should be 2 to 1, 3 to 2, and 4 to 3.

2. Ploughing and loosening the soil

Early ploughing and loosening soil in the open field can eliminate the hardening caused by mechanical walking and human trampling during sowing, reduce soil moisture, reduce seedling diseases, increase soil temperature and promote the early development of cotton seedlings. The soil should be ploughed and loosened at the right time after each rainfall, so that the soil temperature, air, water and nutrients can be well adjusted, and the root system can grow fast, deep and widely distributed, and become a developed root system. enhance the ability to absorb water and nutrients and resist adverse external conditions to achieve early emergence of strong seedlings. 8~10cm is suitable for the depth of ploughing in the open field, and the number of ploughing should not be too frequent, and the ground should be kept free of weeds, unconsolidated and loose topsoil.

3. Early prevention of disease

The diseases of cotton before budding are collectively referred to as seedling diseases, during this period, the nutritional area is small, and the root system is not well developed. in low temperature, overcast and rainy weather, the pathogen is very easy to infect, the growth of cotton seedlings is weak, and the heavy ones cause a large area of dead seedlings. In terms of the incidence over the years, blight, anthrax and red rot are the most prominent. These diseases have the advantages of early onset, rapid spread and serious harm, and must be highly prevented. In the prevention of seedling diseases, we should highlight the word "early" and the word "prevention". The so-called early, is before the disease before the implementation of spraying. The word "prevention" is the first to reflect the prevention of disease does not see the disease, it is necessary to have a sense of prevention in order to reflect the initiative in the word "early". If you wait until you see the disease and treat the disease, it will increase the cost of prevention and control, more labor, more weak seedlings, easy premature senescence, and affect the final yield.

Planting time of cotton

Due to the different weather and climate in different regions, the cotton planting time is also different, generally speaking, the cotton planting time is about April of each year. In fact, since spring and March, farmers began to buy cottonseed to grow cotton, but since cotton is not planted directly like beans, cotton seedlings are all being cultivated at this time, so the real planting time for cotton should be the end of March and the beginning of April.

Cotton seedling raising technology

1. Raising seedlings with plastic film scaffolding: most ecological cotton areas across the country adopt the method of raising seedlings with plastic film scaffolding, mainly after sowing and covering soil, covering with film on the bow frame, sealing all around, ventilating and cooling after finishing the seedlings.

2. Nutrient block seedlings: nutrient block seedlings are also known as square seedlings, square seedlings, different names due to different measures taken in different places, such as using river mud and pond mud as bed soil to raise seedlings called river mud grid seedlings.

3. Plastic film flat seedling raising: plastic film flat seedling raising saves labor and cost, the management procedure is simplified, the operation technology is simple, and it is easy to be mastered by the masses. The film is directly spread on the seedling bed, and the film is broken and released when the cotton bud top soil is used. The thickness of the plastic film used is only 18% of that of the commonly used agricultural film. In the areas with more overcast and rainy weather during the seedling stage, this method is used to raise sick seedlings and die seedlings, so the seedling raising period should be postponed appropriately in production. It can be used in transplanting cotton field in late stubble.

4. Double-film seedling raising: double-film seedling raising is a seedling raising method of laying a layer of plastic film first after sowing and covering soil, and then adding arch shed, which solves the problem that stiff seedlings and diseased seedlings are easily caused by rainy and low temperature weather after sowing in early spring. the quality of cotton seedlings is good and the budding period is earlier.

5. Ventilated omentum seedling raising: the ventilated omentum seedling is to cut the conventional plastic film along the middle line, sew a 10-15 cm wide nylon window screen in the middle, cover the scaffolding, and adjust the temperature and humidity naturally through the open part of the ventilation net, without the need for day and night cover.

Medicinal value of Cotton

Nature: sweet, warm, non-toxic.

Function: stop bleeding. Treatment of hematemesis, lower blood, avalanche, golden sore bleeding and other diseases.

Usage: internal administration: calcined dispersant; external use: ash scattering.

1. Treat hematemesis and lower blood: cotton (ash burning), Fructus Aurantii, musk. Just drink the rice.

2. Treatment of avalanche blood: cotton, blood ash, hundred grass cream, brown ash, lotus heart, Angelica sinensis, thatch flower, safflower, mud bag (burning), add musk, take with wine.

Efficient cotton planting and management as well as timely planting and cultivation are the basis of high cotton yield. When planting cotton, we should also pay attention to the prevention and control of diseases and insect pests, and then choose more high-quality cotton varieties. In addition to some common functions and applications, cotton also has a certain medicinal value. We must make the best use of our resources and make full use of all the resources available.