Wheat seedlings flourish and strengthen winter management
Hard Plastic Sheet,Colored Plastic Sheets,Practice Sheet Danyang Trading Co., Ltd. , http://www.gdtattoomachine.com
December 05 20:13:37, 2018
A recent investigation and analysis of wheat experts found that the proportion of wheat seedlings in the first and second categories was significantly higher than in the previous year. However, due to reasons such as late evacuation and drought in some places, the emergence of seedlings was late and the seedlings were weak. The three types of seedlings still occupied a certain percentage. Therefore, we must seize the opportunity to manage the wheat fields in winter. Experts pointed out that the main problems existing in current winter wheat are as follows: First, crops are sown in early mornings in some areas and the seeding rate is too high. The temperature after sowing is high and the seedlings grow in large areas. Wang Miao is easy to consume nutrients and weakens from strong to weak. If it is not good or the temperature is too high, it may be jointed before and after the Spring Festival and cause frost damage. Second, there is less precipitation after wheat sowing, and soil moisture in some areas is insufficient. How to manage the winter wheat field? Experts believe that the following measures should be focused on at present: First, we must strengthen the management of the three types of seedlings. The three types of seedlings should take advantage of the unfrozen pre-winter time and give priority to management to promote plant growth. They should timely remove the loose soil and raise the temperature. For late glutinous wheat fields where bottom pods are better, winter water is generally not used in order to avoid lowering the ground temperature. For late buckwheat with poor basal pods, sunny winter water should be selected. The second is to pour the overwinter water in time. Over pouring winter water is conducive to sinking the soil, ensuring safe winter wheat seedlings, and is conducive to the storage of water, so as to provide good sensation for the return of green wheat in early spring. Therefore, where water is poured, the overwintering water should be poured in a timely manner. The appropriate time for pouring winter water is at the end of November and early December in Huanghuaihai wheat area. For lands with insufficient nitrogen fertilizer and phosphate fertilizer, the lack of seedlings, weak lands with weak seedlings, and lack of fertilizer lands should be combined with appropriate amount of nitrogen fertilizer and phosphate fertilizer. Third, we must do a good job before the winter management of Wang Miao. The current management of Wang Miao should be based on control. The first is suppression. Before fracturing, it can be used to suppress the growth of the ground and excessive tillers. The number of repressions depends on the condition of the seedlings. Generally, Wang Miao's wheat field can suppress 1 to 2 times. The second is to cut off the roots. For excessively prosperous wheat fields, in addition to repression, deep-rooted cuttings can be carried out when the total number of stems per mu is more than 600,000 in winter, and the depth is about 10 cm, and the soil should be compacted afterwards. Fourth, we must strengthen the control of pests and weeds. At present, efforts should be made to prevent and treat diseases, pests, and weeds that mainly include stripe rust, powdery mildew, sheath blight, aphids, underground pests, and weeds. For wheat stripe rust, it is necessary to adhere to the strategy of “discovering one point and controlling one†to minimize the source of overwintering bacteria.