What kind of environment should be used to grow cotton?

It is suitable for growing in some conditions with sufficient light. And I also like this kind of place very much, and the soil needs to be very moist. And it has to be particularly fertile.

When planting plum blossoms, I still like some hot weather, it is better to be dry, have sufficient sunlight, and the time is relatively long, so that the color of the growing cotton will be particularly good.

It needs to be planted in a place where the sun is more abundant, the sunshine hours are longer, and the drought is a little drier, so that the yield of cotton can be guaranteed.

Cotton is an important cash crop, and the natural conditions for growing cotton are the key to successful planting. The first important condition is temperature. Cotton has higher requirements for growth temperature, generally requiring the average temperature to be above 22, and the temperature difference should not be too large.

The second is the land, the land suitable for the growth of cotton is mostly deep, fertile, loose, and well-drained yellow soil and brown soil, and it is not suitable for planting on acidic, hard or stony soil. In addition, light conditions are also a key factor, with cotton requiring more light and adequate sunlight during growth.

In addition, moisture** is also one of the important natural conditions. Cotton needs more water in the early stages of growth, and generally requires abundant rainfall or irrigation water, and keeps the hail source and the soil moist. However, the flowering and maturity stages of cotton need to reduce the amount of moisture, so as not to affect the quality of cotton.

In addition, cotton planting also needs to pay attention to the stability of the climate, and extreme weather such as storms can also have a negative impact on the growth and yield of cotton.

Planting cotton requires a comprehensive combination of a variety of natural conditions in order to get a better harvest. In actual production, it is necessary to cooperate with many factors such as scientific fertilization, scientific operation technology, and sound management system. Only by formulating a scientific and reasonable cultivation plan according to the actual situation can we achieve good economic benefits.

To ensure that the soil is in a moist state, because cotton growth needs to absorb water from the soil, and the demand for water in the cotton growth stage is different, in the cotton sowing to seedling stage, the water content of the 0 20 cm* layer accounts for 70 80% of the field water capacity; The water content of the 0 40 cm* layer should be 60 70% of the water capacity of the field. At the beginning of germination, the soil moisture content of the 0 60 cm* layer should account for 65 75% of the field water capacity. In the post-bud stage, the soil moisture content of the 0-80 cm* layer should be 70-80% of the field water capacity, but not less than 60-65%.

In the flocculation stage, the relative moisture content of the soil should be 55-70%.

<> during the cotton growth period, about 66% of the water consumption of the cotton field during the whole growth period is transpiration and 34% is evaporation. Cotton needs a lot of light to grow, so make sure you have enough light when growing cotton. When the light lasts for a long time and the intensity is appropriate, the cotton yield is high and the quality is good.

If there is not enough light, not only will the yield and quality be reduced, but the subsequent seed retention will also be greatly affected. Therefore, when we plant cotton, we should plant the plots in a place where the light is abundant.

Then, according to the growth stage of cotton, the photosynthetic history of cotton will be improved, and the photosynthetic substances in the plant will be increased. Cotton originated in India and Arabia. Before it was introduced to China, Korea only needed kapok to fill pillows, so there was no cotton to weave.

At present, the main cotton varieties cultivated in China are Xizi cotton, Dezi cotton, Daizi cotton, Kezi cotton and so on. Recently, the high-yielding variety developed in the north is Lumian No. 1.

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The requirements for the planting site are particularly slow and high-pitched, the light time should be particularly sufficient, the working time of three hours to four hours should be guaranteed every day, the water resources should be particularly sufficient, the soil should be drainable, it must be particularly fertile, and it must be particularly rich in minerals.

It is a kind of light-loving crop, the strong light range is 8000 to 70,000 wild lux, the soil moisture should be 70% 80%, there must be sufficient nutrients, and the geological requirements are relatively high. Spine annihilation.

Cotton production areas are generally located in sunny places, such as Xinjiang, where the weather is dry and the land is moist, so sufficient sunlight can be guaranteed every day.

The environment must be clean, there must be a sunny temperature, there should be a lot of nutrients in the soil, fertilizer should be applied on time, and the soil drainage should be better.

Cotton is one of the cash crops, farmers in some areas of our country are relying on planting cotton to bring economic benefits, so what aspects of cotton planting technology need to be paid attention to? Let's do a simple study. Key points of cotton planting technology and management.

Generally speaking, the life of cotton from planting to harvest can be roughly divided into the following five stages, sowing seedling stage, seedling stage, stage, flowering stage and bell stage, each stage pays attention to five stages, any stage of maintenance does not reach the specified position, will directly affect the harvest and yield of cotton.

<> let's take a brief look at the duration of each phase. Seedling stage Generally speaking, the seedling period is from the end of April to the beginning of May, and the general emergence of seedlings takes 7 to 15 days, because in the seedling stage, the insect resistance of seeds is relatively weak, so the insect resistance of the seedling stage is particularly important, followed by the seedling stage, this stage is from the emergence of seedlings to the emergence of buds This period, generally 40 to 50 days, at this time we mainly ensure its healthy growth, and then it is the budding time.

Many cotton planting areas often have a low germination rate and uneven seedlings, which is largely due to the residual waste film, cotton wood, weeds, stems, root rot, etc., which are easy to cause cotton seeds to be not tightly combined with the soil in the soil, and the seeds are affected by problems such as root system, roots, and coating air leakage. Therefore, the field debris must be thoroughly cleaned before planting before spraying and weeding. Cotton seeds need sufficient water from sowing into the soil to emergence** (about 60% of the weight of the seeds are needed at the germination stage, and about 15% water is needed at the seedling stage).

For planting areas with less water in spring drought or winter and spring, it should be watered before sowing to protect moisture, otherwise it will affect seed germination and seedling growth.

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First of all, we must choose excellent varieties, when sowing, we must dry the seeds in advance for about 4 5 days, and then this can promote the germination rate, when laying the mulch film should be chosen at the end of April, if it is sandy soil, we must first sow the mulch film, if it is clay soil, we must cover the film first and then sow it. Because this planting technology can increase cotton yields, it can increase profits for farmers.

When planting cotton, we must choose the soil is relatively fertile and broad, and we must use farmhouse fertilizer when fertilizing, never use the fertilizer bought outside, and often water the plants, but also to prevent the occurrence of pests and diseases, if there are small insects, then we must spray insecticides in time. Because only by doing this can cotton be planted well, and cotton production can also be increased.

It is necessary to master the technology of artificial planting, and at the same time, it is necessary to master the technology of reasonable planting density. Choose the right method of wetland-based fertilizer. It is also necessary to pay attention to the reasonable control of pests and diseases, because only by mastering these techniques can cotton be planted reasonably.

1.At the seedling stage, the soil temperature should be stable at 12 14 before sowing, and the soil moisture should be 65% to 80%. The suitable temperature at the emergence stage is 18 20, and the soil moisture is 55% 70%2The suitable temperature at bud stage is 25 30, and the soil moisture is 60% to 80%; The suitable temperature of the flowering and boll stage is 25 30 years, but the distribution is uneven in each month, and there is drought and waterlogging.

The number of days of the growing period and the active accumulated temperature of 10 are sufficient for the early and medium-maturing varieties and the early-maturing varieties of wheat stubble and cotton varieties in spring, but the number of days of the growing period and the active accumulated temperature of 10 for late-maturing varieties are slightly insufficient, and it is obviously insufficient in case of low temperature in spring and autumn or late sowing.

The frost-free period is long, especially suitable for cotton planting, and the raw cotton produced has good color, long fiber and high quality. In particular, in many cotton areas, because the water source comes from the ice and snow melt water from the high mountains, there is no irrigation water for nearly half a year from the whole winter to the spring of the next year, and it is difficult for other crops to grow, and cotton does not need water this season. Abundant heat, sufficient light, drought and little rain, large temperature difference between day and night, is conducive to the growth of cotton, is the national high-quality cotton production base, but also the highest proportion of the national fiber cotton regional total output, the highest yield level of the region, cotton fiber length, specific strength, micronaire value are in line with the requirements of the textile industry.

According to the actual situation in recent years, there are the best sowing on April 20-25, the best sowing on April 15-19, and the best sowing on April 26-30, and the sowing date can not be absolute. In the south-central Hebei region, most varieties can be considered for sowing on April 15, and the sowing date is suitable until the end of the month. Cotton requires deep soil, loose soil, suitable soil moisture, and low groundwater level.

Cotton has a wide range of adaptability to soil pH, can grow normally in the range, and also has a slight salt and alkali tolerance, but generally neutral to slightly alkaline is appropriate. There are more than 400 kinds of cotton seeds in China, and different cotton species are planted in different geographical locations, and the yield is also different, so we must first choose cotton seeds in combination with our current geographical location.

It is necessary to have sufficient sunlight in the Zen manuscript, and there must be a very sufficient water source in the rotation, the nutrition of the land should also be particularly fertile, and the topdressing and watering should be timely in the process of growth. It is also necessary to avoid the occurrence of some pests and diseases.

The planting conditions of cotton have sufficient light, the light is kept at 8-12 hours, and there is enough water, the temperature of seed growth is 10-20 disturbances, and the temperature of flowering should be about 25-35.

Abundant heat and macro: The lower the average daily temperature, the more accumulated temperature is required from sowing to emergence. From flowering to flocculation stage, the heat conditions not only affect the yield of cotton, but also affect the quality of cotton, which is rich in heat and high in yield.

Cotton quietly nestled in the whole growth period, requires more heat, when the soil moisture is suitable (soil moisture 18-22%), cotton in the average daily temperature of 10-12 can begin to germinate seedlings, the most suitable sensitive or temperature in 25-30, more than 40 unfavorable, with soil temperature 15, there are 5-7 sunny days for sowing is appropriate. The cotton output is the largest in Shandong, Henan and Hebei provinces. This area has a long history of cotton planting, superior natural conditions, flat terrain in the area, less autumn rain, and sufficient sunshine, which is conducive to the growth of cotton, and has become the largest cotton producing area in China, and its planting area accounts for 1 2 of the national cotton field area.

In the past, it was the second largest cotton area, but do you see if there is an advantage of the second largest cotton area? It no longer exists, and the south grows very little cotton, and this region can no longer be said to be the second largest cotton region. The outbreak of cotton bollworm planted in this area is serious, and there are quite a lot of red spiders, which has caused great harm to the yield of cotton, and every region in Xinjiang has been planted.

It should still be a stable price, so I personally think that the largest main producing area is still in Xinjiang.

The cotton planting belt is roughly distributed between 18 degrees north latitude and 46 degrees north latitude and 76 degrees east longitude to 124 degrees east longitude, with temperature" = 10 degrees, 22 cotton-producing provinces and municipalities, and 7 cotton fields with an area of more than 400,000 hectares (Xinjiang, Henan, Jiangsu, Hubei, Shandong, Hebei, Anhui); In more than 100,000 hectares, there are four cotton crops that are used as short-day crops, usually during the seedling stage, it takes more than 8 hours of sunshine per day, and it takes about 30 days for buds to bloom. Therefore, in the growth and development period of cotton, it is necessary to give sufficient sunshine time, otherwise it will cause the growth of cotton plants to different degrees, the fall off of bud bells and reduce the yield.

Xinjiang cotton is mostly early-medium-maturing, early-maturing and extra-early-maturing varieties, which are not sensitive to light length. It is a light-loving crop and is suitable for growing under sufficient light conditions. The light compensation point and light saturation point of cotton are both high.

According to the measurement, the light compensation point of cotton single leaf is 750 1000 lx, and the light saturation point is 7 80,000 lx.