At present, Qiu County wheat has gradually entered the greening period, which is the key period for the Spring field to capture the harvest. Grasp the wheat spring tube and set up a high-yield shelf. Pay special attention to the following aspects: First, slash and suppress, and increase the temperature to promote early development. The wheat field with poor soil moisture and low soil quality after straw returning to the field can be timely suppressed in the afternoon before getting up, bridging the cracks, reducing water evaporation, increasing temperature and protecting the roots and promoting root growth. The suppression should be combined with the slashing. Generally, it is pressed first and then smashed, especially in the wheat field where the growth is too strong before winter. If the leaves are yellow and the tip of the leaves is dry, it is necessary to carry out the slashing in time, remove the dead leaves, and improve the ventilation and light transmission of the wheat field. Conditions that promote the growth of new leaves. The second is timely chemical weeding to control weed damage. For wheat fields that have not been controlled by grass weeds before winter, try not to spray herbicides such as Shishima to avoid phytotoxicity and affect wheat growth. Manually remove the weeds when they can be weeded. For the control of broad-leaved weeds such as sage, amaranth, etc., the wheat should be returned to the rising stage. After the average daily temperature in the spring is stable through 6 °C, choose fine weather, from 10 am to 4 pm, depending on the type of weeds in the field. Select the right-hand herbicide, remove it in time, and strictly follow the use concentration, appropriate period and technical operation procedures to avoid phytotoxicity. The third is based on the seedlings, scientific fertilization and watering. Because the seedlings determine the time of spring topdressing and watering, for strong seedlings, the time of topdressing and watering should be postponed to the jointing stage. Generally, the urea is 15-20 kg of urea; for the growth of the year before, the land consumption is too large, and there is “de-fertilizationâ€. Phenomenon of wheat field or weak seedlings can be topdressed and watered during the period of uplifting; for over-expansion wheat fields where there is no de-fertilization phenomenon, do not rush to fertilize watering in early spring, and should be based on the control measures such as suppression, slashing and spraying chemical control agents. On, the post-fertilization period was postponed to the late stage of jointing. At present, the relative water content of Qiu County is 60-80%, and the moisture is suitable for wheat growth. The fourth is to strengthen the prevention and control of pests and diseases. The greening and jointing stage is the peak period of the damage of wheat spiders and underground pests. It is also the peak period of infection and root growth of root rot and root rot. From the beginning of the greening period, we should pay close attention to the occurrence of pests and diseases, and take timely preventive measures. The fifth is to pay attention to weather changes, prevent and respond to the cold. In the early spring, the climate is unstable and the amplitude is large. The wheat is still subject to freezing damage and “cold spring coldâ€. When the spring cold disaster occurs, the remedial measures such as quick-acting nitrogen fertilizer, medium tillage and spraying foliar fertilizer should be taken to improve the ground temperature and promote the root system. And tiller development. Sixth, it is strictly prohibited to graze wheat fields. Some villages in Qiu County have the habit of stocking livestock. There is a phenomenon of grazing in wheat fields, while grazing and foraging affects photosynthesis of wheat, and wheat crops are severely reduced. Therefore, it is necessary to ban grazing in wheat fields.
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