The current wheat population in the region is relatively reasonable, individuals are robust, and winter pre-harvest condition is a relatively good year in recent years. However, there are also some problems. First, due to the relatively poor quality of soil preparation in some plots, there are many crops in the field, and there is a phenomenon of lack of seedlings, ridges, and ridges. The second is that some of the broadcasts are too large or the sowing date is too early, and there are prosperous and so on. The District Bureau of Agriculture combines the characteristics of the current situation of wheat in the whole region, highlights the classification guidance, promotes control and integration, and arranges early management of wheat fields in the spring.
The first is a type of wheat field (600-800,000 per acre population), adhere to the promotion and control combination, highlighting the shift of nitrogen fertilizer, to improve the tillering rate of spikes, and promote large-granule multiple spikes. High-level soil fertility, suitable for sowing, a group of 70-800,000 a type of wheat field, in the middle and later stages of the jointing of wheat to top-dressing and watering, in order to obtain higher yields; general level of soil, a group of 60-700,000 a type of wheat It is necessary to carry out fertilizer and water management at the beginning of the jointing season of wheat. Generally combined with watering mu urea 15 kg.
The second is the second type of wheat field (45-600,000 per acre population), the focus is to promote the occurrence of spring tiller, improve the rate of tillering and spike. Normally, the fertilizer and water management will be carried out during the wheat growing season, and about 15 kilograms of urea will be collected in conjunction with watering.
Third, for the three types of wheat fields (less than 450,000 people per acre), field management in the spring will be the main reason. As long as the buckwheat is acceptable, late buckwheat should be avoided as early as possible to avoid lowering the temperature. Generally, it is necessary to top-dress fertilizer in the returning green period so that the fertilizer effect will act before the peak of the tiller, so as to increase the tillering in the spring, consolidate the tillering before winter, and increase the number of mu ears.
The fourth is the Wang Miao wheat field (more than 800,000 per acre population), due to the larger groups, the leaves are slender, after the jointing period, it is easy to cause field cover, poor lighting, which leads to lodging, so the spring management should be dominated, Control and promote the integration of the use of buckwheat, repression, timely fertilizer and other agronomic measures. For excessively prosperous wheat fields, sprayed with “Zhuangfengan†and “Maijujin†and other chemical control agents during the period of wheat returning to the beginning of growth can control the excessive growth of plants, promote the roots under the bar, and prevent the late growth of lodging.
Fifth, for dryland wheat fields, since there is no water-carrying condition, the soil should be crushed after the soil is thawed in early spring. Weak seedlings and wheat fields, after returning pulp to the soil, apply nitrogen fertilizers with fertilizers or ditches to increase the number of ears per mu and grains per panicle, increase grain weight, and increase yield; general wheat fields should be raised in wheat until jointing After the rainfall, we should quickly catch the rain and ditch. Mu generally recovers about 12 kg of urea.
Sixth, it is necessary to remedy the early frost damage in wheat. The main measures are: seize the time to top-dressing and watering, increase the spike rate of high-level tillers; timely cultivator, water storage and temperature increase, effectively increase the number of tillers, make up for the main stem loss; foliar spraying of plant growth regulators such as sodium nitrophenolate. , To promote the rapid growth of small and medium delivery, and the rapid growth of latent buds, increase the number of spikes and 1000-grain weight of wheat.
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