What should I do if the wheat variety is not properly selected?
Sowing spring and weak winter varieties in the middle and early alfalfa plots will cause the wheat seedlings to grow long before winter, which is not conducive to safe wintering.
Countermeasures: On the basis of early drafting and suppression, the roots of the earth before the winter, or cover the "monticillary manure" to protect the wheat seedlings for safe wintering.
What if the wheat is planted too early?
The wheat is sowed too early. After the seedlings are unearthed, the leaves are long and narrow, and the leaves are draped and the tillers are insufficient. The main stem and part of the large stalks enter the two-edge period before the winter spikes. In the winter, when they encounter the low temperature of -10 °C for about 5 hours, Frost damage will occur.
Countermeasures: timely suppression, inhibition of the growth of the main stem and big scorpion; timely slashing after pressing, combined with watering, apply 15 kg of ammonium bicarbonate, if necessary, spray with 0.2-0.3% chlormequat solution to control Long, anti-freeze.
What if the wheat is planted too late?
Due to the short growth period before winter and insufficient accumulated temperature, the growth of wheat seedlings is weak and there are few tillers.
Countermeasure: mainly based on simmering and replenishing hydration, applying 10-15 kg of ammonium bicarbonate in the three-leaf stage; the wheat field with poor soil moisture and fast water seepage, timely pouring water after the three-leaf period (but the moisture is suitable or the soil is sticky, Plots with poor water permeability should not be watered before winter); the last time before freezing, pay attention to the roots of bauxite to protect the seedlings from winter.
What if the wheat is so shallow?
The sowing depth of wheat is 3-5 cm, the seeding is too shallow (less than 3 cm), the wheat seedlings grow, the minced section is bare, the tillers are many and small, not drought-tolerant, and susceptible to freezing and premature aging.
Countermeasures: Several times before the emergence of the seedlings, after the emergence of the seedlings combined with the roots of the soil, if necessary, in the winter period, the use of soil cover or cover the application of "monticillary manure" to prevent wintering and freezing.
What if the wheat is soaked too deep?
The wheat is sowed too deep (more than 5 cm), the emergence is slow, the slice is slender, the tiller is small and small, the secondary roots are few and weak, and the wheat seed is yellow and thin.
Countermeasure: timely clearing the earth. The method is: use bamboo poles or iron shovel to start from the center of the glutinous rice noodles, traverse the ridges and ridges. When clearing to the last row, drag all the remaining soil onto the back of the scorpion; for the wheat that is planted in a timely manner, clear the trees before winter. It usually starts from the second leaf stage and ends when it comes to "small snow".
What if the wheat is too large?
It is characterized by the crowded growth of wheat seedlings, yellow and thin plants, poor individual development, and few tillers.
Countermeasures: first timely sparse seedlings, especially the "small seedlings" at the head, the ground and the fields, to be sparse and sparse, to establish a suitable group structure, to promote individual development; combined with watering, a small amount of nitrogen and phosphorus Quick-acting fertilizer to compensate for excessive consumption of soil nutrients.
What should I do if I use excessive base fertilizer?
Excessive application of the base fertilizer, the wheat seedlings emerged after the emergence of excessive growth, more tillers, wide leaves, severe depression in the field.
Countermeasure: When the main stem of the wheat seedling grows 5 leaves, it is 5-7 cm deep in the wheat line, cut off some secondary roots, control nutrient absorption, reduce tillering, and cultivate strong seedlings.
What if I don’t have enough lyrics after the broadcast?
The performance is that the wheat seedlings are difficult to unearth, or the seedlings are slow to be born, the leaves are grayish green, the heart leaves are short, the growth is slow or stagnant (commonly known as "reducing heart seedlings"), and the base leaves turn yellow and dry, and the roots are few and thin.
Countermeasures: After sowing, check the soil moisture in time, the plots that have affected the lack of moisture or the effects of falling out, the small water irrigation with irrigated conditions, and the timely suppression of the anhydrous pouring conditions 1-2 times.
What if the soil is too wet after sowing?
After the wheat seedlings were unearthed, the leaves were light yellow, and the tillers were born slowly. When severe, the leaves tip turned white and dry.
Countermeasures: timely in-depth deep-cultivation of dilated sputum ventilation, and a small amount of quick-acting fertilizer, to promote early seedlings.
What should I do after the seeding is incomplete?
After the wheat is planted, the emergence of the seedlings should be checked in time. Once the seedlings are found, they should be repaired. The method is:
1, replanting. Select the same variety as the seedlings, first soak seeds, germination under suitable temperature conditions, or soak for 12 hours with 25,000 times naphthaleneacetic acid or 500 times potassium dihydrogen phosphate solution, and then sow to facilitate emergence and growth;
2. Transplanting. For the land that lacks seedlings after replanting and replanting, it can be transplanted on the spot during the wheat tillering stage. The transplanted wheat seedlings should choose strong seedlings with 1-3 tillers. The depth of transplanting should be “not to be buried and not to be whiteâ€. The time of transplanting should not be later than “small snow†at the latest. Miao and wintering.
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