Cotton production is not optimistic

The reporter learned from the meeting on the province's cotton production and high-yielding creation in the province on August 26th that this year's cotton production situation in the province is extremely optimistic. In view of the current reality of cotton production, the participating experts recommended that the cotton farmers do a good job of four measures.

This year's cotton production in our province is characterized by a reduction in area, a decrease in yield, and a drop in total output. According to incomplete statistics, the province's cotton harvested area is about 11 million mu, which is more than 1 million mu less than the previous year. It is estimated that the cotton yield will be 70-75 kilograms, and the total output will be 750-800,000 tons, or more than 100,000 tons. The main features of this year's cotton production are: First, extreme climate anomalies and severe disasters. The abnormally cold weather in spring caused the sowing date to be postponed, and the overall growth of cotton was delayed. In July, the high-temperature cotton fields fell off due to high temperatures. The rain continued in August, especially in the main cotton-producing areas of Dezhou, Liaocheng and Lubei, Binzhou and Dongying in the northwest of Shandong Province. As a result of the catastrophic locust plague, cotton production has been reduced by more than 30%, and the area of ​​lost crops has exceeded 200,000 mu. The second is the imbalance between regions. Compared with northwestern Shandong and northern Shandong, although the area of ​​the two cropping areas in southwestern Shandong has experienced a serious decline, the cotton growth is good, and some yields are expected to reach new heights. The third is the large area adjustment. Due to the relatively low benefit of cotton-planting and the change in the subsidy pattern of cotton varieties, this year, some cotton-planting areas have seen large changes. Southwestern Shandong and northwestern Shandong have decreased by more than 30%, and there has been a large increase in the area of ​​cotton planting in saline-alkali land in northern Shandong.

In response to the current cotton production situation, especially after the disaster recovery and self-rescue, the meeting put forward four technical measures: First, grab rotten bells, reduce losses. Due to the rain, most of the cotton fields appear to be rotten bells. The boll season can be more than 40 days. The bolls have been yellowed and the cotton bolls that began to show dark spots have been snatched and crushed before drying. Good cotton can be obtained; the second is the foliage. Spray fertilizer to promote the weight of the bell. After heavy rain, the loss of fertilizer in cotton fields is serious, and it is necessary to grab foliar fertilizers during rain and sunshine, improve the nutritional status of cotton plants, extend the leaf functional period, and increase the boll weight. Can spray 0.5% ~ 1% of urea solution, 2% ~ 3% of superphosphate solution or 0.2% potassium dihydrogen phosphate solution 50 ~ 60 kg / acre, once a week, even spray three times; third is to go to old leaves Ventilation and light transmission. The luxuriant cotton field cuts the middle and lower old leaves of the main stem and ineffective branches, improves the ventilation and light transmission conditions, and promotes the normal maturation of cotton bolls. The fourth is to do a good job in the detection and prevention of pests in the later stages. The main control objects are red leaf blight, verticillium wilt, four generations of cotton bollworm, whitefly and so on.

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