Sowing too early, too large a sowing, and too much nitrogen in the base fertilizer will cause flourishing wheat growth. Wangchang wheat has a low concentration of sugar and *** organic nutrients in cells, and a high freezing point, especially after the young ears differentiate into the two-row stage, the cold resistance will be reduced, and they are very susceptible to freezing damage. The death of the whole plant directly affects the yield of wheat. Wangchang wheat seedlings grow luxuriantly, with many tillers, large leaves, elongated base internodes, weak stalks, low dry matter accumulation, poor root development, and hidden dangers for later lodging.
The use of physical control methods, such as suppression and deep hoeing between rows, requires a lot of work and is time-consuming and labor-intensive. The chemical control method saves time and labor and gets twice the result with half the effort. Wheat without herbicides before winter can be sprayed together with the control agent.
At present, the good wheat control products on the market mainly have the mechanism of action to make the wheat root system strong and the internodes shortened, laying a solid foundation for shaping the ideal plant type of wheat. The shortening of wheat internodes refers to the reduction of the distance between the 1-3 nodes at the bottom of the wheat, so the time to control the boom must be grasped. The control is too early, which affects the return of the wheat to the jointing, and the wheat cannot reach the ideal height. The control is too late, the bottom 1-3 internodes of wheat have grown and developed normally, and the height of the bottom internodes is fixed, and then the middle internodes will be shrunk again, forming the upper and lower internodes thin and the middle internodes are thicker, making it easier to fall. Furthermore, after the jointing period, wheat enters the booting stage, and the vegetative growth gradually shifts to reproductive growth. At this time, the re-control will easily cause the wheat heading to be slow, uneven or inconsistent, affecting flowering and pollination, and thus affecting wheat yield. This reminds the majority of farmers that they must carry out chemical control from the return to youth to the early stage of jointing.
What needs to be reminded is that wheat controls prosperity, not as short as possible. Because any crop needs a lot of nutrients for its growth, development, flowering and fruiting, if the plant does not have a reasonable height or the accumulation of sufficient nutrients, there will be no potential for high yield. While controlling plant height, it promotes the development of wheat root system, thick stalks, and better toughness, so that the lodging resistance of wheat is stronger. This is the goal of controlling prosperity.
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