When does Shandong plant cotton?

Question 1:20 15- 10, which areas in Shandong planted cotton? At the regional level, there are many cotton factories in Binzhou, Dezhou, Dongying, Jining and Heze. There are Wucheng County, Xiajin County, Pingyuan County and Wudi County in Binzhou at the county level, benefiting the people. Lijin County and Guangrao County in Dongying. Jiaxiang County, Jinxiang County and Wenshang County in Jining. Dongming County, Heze County, Juye County and Shan County. What I said above is the counties with more crops. At present, the cotton planting area in Shandong has shrunk seriously. There is also the ranking above, whether it is before or after.

Question 2: When is the best time to plant cotton in central and southern Shandong? According to the previous cotton planting experience, it is generally suitable to plant cotton in Shandong on April1May-22.

Question 3: When to plant late cotton in Jinan to determine the suitable sowing date of cotton, we should not only consider the requirements of temperature and climate conditions for cotton seed germination and emergence, but also consider the planting and harvesting time of crops before cotton field. If cotton rows are reserved for interplanting, they can be sown in early April; After harvesting rape and wheat, cotton should be planted, and the sowing date should be arranged between April15 and April 25.

Cotton planting conditions

1. illumination: cotton is a light-proof crop, which is suitable for growth under sufficient illumination. The optical compensation point and optical saturation point are both very high. According to the measurement, the light compensation point of a single cotton leaf is 750 ~ 1000 lux, and the light saturation point is 70 ~ 80000 lux. Generally, the suitable light intensity range of cotton leaves is 8000 ~ 70000 lux.

2. Moisture: Cotton needs to absorb water from the soil, and the physiological water requirement is different at each growth stage. The water content of 0-20cm soil layer accounts for 70-80% of the field water capacity from sowing to emergence, 60-70% of the field water capacity of 0-40cm soil layer at seedling stage and 65-75% of the field water capacity of 0-60cm soil layer at initial bud stage. According to relevant research, about 2/3 of the water in the whole cotton field is consumed by transpiration, and13 is consumed by land evaporation.

3. Soil: The growth and development of cotton need water and nutrients, which are mainly obtained from soil through roots. The required temperature and air are partly taken from the soil, which needs mechanical support to grow. The physical, chemical and biological properties of cotton field soil restrict the yield and quality of cotton to a great extent, and soil moisture, nutrients, temperature, air, salt and texture have great influence on cotton growth.

Question 4: When will cotton be planted? From spring and March, farmers began to buy cotton seeds. The cotton used in the past, because there is cotton wool, should be removed with sulfuric acid, and now it is all sorted cotton wool. Cotton is not grown directly like beans. First of all, the wet soil should be canned with a special can-making machine (farm tools made of iron characters), and there should be a hole at the top. Then, thousands of "cotton pots" should be arranged neatly, cotton seeds should be placed in the top hole and watered and fertilized. Then cover it with clinker film, which is similar to greenhouse vegetables, but the scale is much smaller than that of Datouchai vegetables. This is the completion of the first process.

After about three or four days, cotton seedlings will grow out, bright yellow and lovely. To keep ventilation, in a few days, "dish cans" means removing those cotton cans. On the one hand, immature seedlings are removed, and on the other hand, oxygen is provided. Still neatly arranged! After about half a month and twenty days, cotton seedlings can be transplanted when they grow to more than ten centimeters. Let's dig a hole in the ground with a can-making machine, put the cotton cans in, and put phosphate fertilizer in the pot before putting them in! A little bit.

In this way, the cotton seedlings are growing, and farmers still can't rest, so they have to weed and hoe the ground. This is also a very long process. When the leaves are ready, they need to be watered and mixed with potassium chloride, hydrazine and urea. In times of drought, we should transport water to fight drought! After all this, we will see that cotton has sprouted. At this point, it is already around July. At this time, we should not only cure potions, tyrannical aphids and red spiders, but also erase the branches (commonly known as "male branches" and "small ears") without buds on cotton. Then it needs to be fertilized to make it grow more buds. Instead of watering this time, drag a ditch in the field with a small plow (farm tools), mix the above three fertilizers, spread them evenly, and then cover them with soil! Then use growth regulators to prevent it from growing too high and too long, and remove the cotton head, which is the cutting-edge advantage mentioned in the biology book. All in order to make it grow more buds.

Cotton flowers in Baise usually bloom at night, so all you see in the morning are white petals, but at night. Flowers turn red, farmers can't rest at this time, and they have to treat pesticides, the main pest-cotton bollworm. Helicoverpa armigera usually hides on cotton fruits (commonly known as "cotton peaches") or flower buds. This thing is really hateful. It's fast to eat and hard to find. But after that, cotton will mature again.

At about the end of August, the fruits of cotton began to be placed and farmers had already started harvesting. At first, they picked the laid-out "cotton peaches" in their pockets, and then took them home to sun them evenly in Tian Yang. The reason for this is that when they are brought back to sunshine cotton, it will open faster and it is difficult to pick cotton without concentration in the field. Later, when the cotton was officially opened, they didn't have to pick peaches, so they picked cotton directly in the cotton field. It is white. But when I looked at the snow-white cotton, I smiled. I laughed at the snow-white cotton!

Question 5: When to plant cotton? Cotton planting time is generally from the end of March to the beginning of April. At this time, the temperature is still unstable, which is prone to problems such as poor seedling emergence and low quality of cotton seedlings, which seriously affects the growth of cotton seedlings. The experiment shows that the seedling raising time should be delayed by about 10 days, and the seedling raising should be started after 10 in April, and it is appropriate to transplant in May. Check the seedlings in time after transplanting, and replenish the seedlings in time if dead seedlings are found.

Question 6: When to plant cotton? Due to the different weather and climate in different regions, the planting time of cotton is also different. Generally speaking, the planting time of cotton is around May every year.

Cotton planting should be decided according to the local temperature, and seeds with high purity, full seeds, maturity and high germination rate should be selected when sowing; Before sowing, the seeds should be dried in the sun for 2-3 days to improve the germination potential and growth potential, and pesticides, fungicides and 500 times new high-fat film should be mixed into the seeds to effectively control underground pests and seedling diseases.

When the ground temperature of 5cm stably passes 16 degrees or the ground temperature of 20cm reaches 16.5 degrees, sowing can be started. When sowing, we should pay attention to watching the ground temperature forecast of cotton sowing period by the local meteorological station to avoid late frost.

At present, due to the adoption of insect-resistant cotton, the growth period is generally shortened, and the medium-early maturity variety is adopted, which is generally about 125 days. The peaches before harvest tend to increase year by year, which easily leads to premature aging of peaches and aggravates boll rot. Therefore, it is suggested to advocate proper late sowing in a suitable period, which can also alleviate the disease. Early sowing, low temperature, easy to rot seeds and buds, serious diseases, leading to lack of seedlings and broken ridges; Sowing too late and high temperature are easy to form tall seedlings, which is not conducive to cultivating strong seedlings.

In spring, the ground temperature of saline-alkali land rises slowly, which leads to low ground temperature, and the sowing date of cotton is later than that of ordinary cotton fields. It is necessary to master flexibly according to the weather and soil moisture (when the soil moisture is poor, it is best to plant it a few days later, and also to build moisture to ensure sufficient planting moisture).

Question 7: When is cotton usually planted and harvested? Cotton can be divided into spring sowing cotton and summer sowing cotton. Spring-sown cotton is generally sown around Grain Rain, that is, in the middle and late April, and summer-sown cotton is generally interplanted after wheat stubble or wheat row, and the sowing period is from late May to early June. The picking period starts from late August to early June 10.

Question 8: Cotton planting time In China, the growth period of cotton is generally 5-6 months. According to different geographical locations, the growth cycle of cotton is also different.

Xinjiang: Sow in April-May and harvest in September -65438+ 10.

Yangtze River and Yellow River basins: sow in March-April and harvest in September -65438+ 10.

The growth process of cotton:

Emergence: The time from sowing to emergence is generally 10 ~ 15 days.

Seedling stage: from seedling stage to budding stage, usually 30 ~ 40 days.

Bud stage: from bud stage to flowering stage, generally 25 ~ 30 days.

Flowering and bolling period: the period from flowering to bolling, generally 50-70 days for upland cotton and 65-75 days for island cotton.

Maturity (boll-opening period): boll-opening to the end of harvest, about 2 months.

Question 9: When is the suitable time to plant cotton in Weifang, Shandong? The normal situation is April 15-20.