The frost damage of wheat spring frost is determined by the external factors - low temperature textual elements - cold resistance, frost is the inductive reflection of external factors and connotation elements. So, what are the remedies for wheat spring frost damage?
Emergency remedy
1. Conditioning water and fertilizer in time
Any frozen wheat field, as long as the division does not freeze to death, can compete for less production or no reduction in production, the key is to strengthen the fertilizer and water treatment in a timely manner, to promote the tiller and more into spikes, into large ears.
2. Do not arbitrarily plow the wheat fields that are seriously damaged by freezing
Production practice proves that as long as the festival is not frozen, and the temperature rises, new branches will soon grow and a good harvest will still be achieved.
3. Frozen yellow leaves and "dead" should not be cut off.
The isotope atomic tracer test showed that after the wheat was frozen, the roots of the frozen "dead" cockroaches had a higher nutrient absorption than the live cockroaches, and the nutrients absorbed by their roots could be transported to the unfrozen tillers. Preservation of yellow leaves and "dead" sputum has obvious effects on the rehabilitation of frozen seedlings and the addition of tillers to ear.
4. Apply fertilizer water in time
For the wheat leaves that are heavier frozen, the stalks are lighter and the young ears are not frozen, the water can be sprinkled with water, which can avoid the dehydration of the young ears and cause the seedlings to recover quickly and grow vigorously. For some young ears, the frozen wheat field, combined with water and fertilizer, is especially suitable for applying quick-acting nitrogen fertilizer. Because of the seedlings that are devastated by freezing damage, the body consumes more nutrients, the seedlings are already weak, and the temperature is rising. Agile grows new stems, and many nutrients are urgently needed to make up for normal growth and development.
5. Change in time
The main stem and the big branch are all frozen dead fields, and you can use the strong spring type spring sowing (guided square wheat area) or tiller to cultivate other early spring crops.
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