In recent years, with the widespread adoption of insect-resistant cotton, plastic film covering and chemical control technologies, cotton farmers have had some unfavorable cultivation tendencies in cotton cultivation technology, especially chemical control technology (hereinafter referred .......
Before the seedlings, they must be irrigated. One of the main purposes of the seedlings is to promote the deep rooting of the roots. Therefore, when the seedlings are seedlings, it is necessary to ensure that the soil is dry and wet and the oxygen is sufficient. The watering of the seedlin.......
The specific methods for fostering piglets are as follows:
Individual fostering: Sow lactation is insufficient, there are too many litter size, piglets are not uniform in size, and strong foster fosters can be selected.
Fostering: Sows need no milk, sickness, sickness, postpar.......
In the production of cauliflower in summer, the deterioration of quality is often caused by the influence of environmental conditions and improper cultivation measures. As a vegetable farmer, I have accumulated some experience in the prevention and treatment of common cauliflower quality d.......
Scientific name Thrips tabaci Lindeman Thysanoptera, Thripidae. Alias ​​cotton horse, green onions and other horses. Distributed throughout the country.
The host is known to have 355 species. Tobacco, cotton, soybeans, onions and garlic a.......
Symptoms of leaves, male flowers, and mulberries can be affected. The leaves begin to grow at 3-27 cm when the leaves become infected. The lesion begins with the tip or leaf margin of the middle and lower leaves, and then gradually expands toward the main vein.......