News source: Fruit and Vegetable News
Really prosperous seedlings: when the wheat is planted earlier, the soil is loose and proper, the fertilizer is used reasonably, and the humidity is suitable, which has laid a good foundation for the growth of wheat seedlings. However, due to the premature planting time, under the condition of proper (sparse) wheat seeds, excessive tillers have been caused before winter. After the return to spring, due to suitable conditions in various aspects, wheat continues to tiller to form vigorous seedlings.
Fake vigorous seedlings: From the appearance, they are growing vigorously, with no shortage of seedlings and continuous ridges, but if you pull out a part of the wheat seedlings at intervals, you will find that they are basically single seedlings, and the secondary roots are about 1-2. This type of wheat field population seems to be large, but the individual seedlings are actually very small.
The main reason for the emergence of false vigorous seedlings is that the roots of the wheat seedlings cannot absorb more nutrients due to dense planting; the plants are densely crowded, and the leaves cannot absorb more photosynthetic nutrients and transmit them to the roots, while the roots cannot grow normally and cannot absorb The nutrients in the soil are transported to the stems and leaves, which will eventually cause a vicious circle, so that there are few roots, weak plants, and no tillering.
Wangchang wheat fields are prone to insufficient light in the field, malnutrition, and susceptibility to freezing damage, pests, and lodging. Therefore, it is necessary to carry out scientific management of the vigorous seedlings during the rejuvenation period of wheat in winter.
Real prosperous seedling management: â‘ Slight chemical control in winter, do not rush to water after turning green, just hoe to loosen the soil, preserve moisture and increase temperature, and topdressing and watering when you are about to get up. â‘¡ Wheat fields with large populations are moderately controlled in winter and need to be top-dressed and watered after getting up and jointing. â‘¢For the flourishing wheat fields, suppress or severely control the squatting seedlings in winter, topdressing and watering as soon as possible when turning green, supplement nutrients and promote growth.
Management of false prosperous seedlings: The wheat fields of false prosperous growth generally suffer from freezing damage due to malnutrition of the wheat seedlings. Therefore, in early spring, we should plan and hoe the wheat as early as possible, and fertilize and water in time when the wheat returns to green. Due to the excessive consumption of soil nutrients before winter, top-dressing and watering are required at the jointing stage to promote the transition from wheat seedlings to strong seedlings.
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