Traditional Culture Encyclopedia - Weather inquiry - After the wheat harvest, the dry weather continued. How can we plant it in time?
After the wheat harvest, the dry weather continued. How can we plant it in time?
1, Matters needing attention in wheat early sowing management
Because of the great difference between north and south in Anhui Province and different planting patterns, there are differences in the use of wheat varieties and field management. Matters needing attention in wheat management in different regions are also different. Let's talk about the matters needing attention in wheat rotation in arid and rainless areas north of Huaihe River.
Grab the soil and sow.
Due to this year's drought, many farmers choose to plant corn during the drought in order to seize the time to go out to work after planting corn. This field is basically about 65438+ 10/month 10. Therefore, farmers should pay attention to watering this kind of fields, only flooding, not sprinkler irrigation. If there are ridges and furrows, they can use the ridge and furrow system to flood irrigation at one time, otherwise the fields will stutter and the wheat will be difficult.
Sowing with soil moisture
Because of the continuous drought, soil moisture was finally cultivated, so in this case, uneven soil moisture, low germination rate, drought resistance after sowing or the harm of underground pests appeared, which eventually led to lack of seedlings and broken ridges. Therefore, the wheat planted for soil moisture is basically planted around 10+00, and the wheat is in the seedling stage. If the seedlings are uneven or short-cut, they should be timely.
When planting soil moisture, first of all, don't leave stubble soil moisture, and secondly, farmers can cultivate soil moisture by deep ploughing. For this year's drought, the soil moisture of wheat should be leveled as far as possible, then irrigated or sprinkled in the field, and then mechanically sown according to the weather and field humidity. At this time, farmers' friends can basically sow the whole seedling at one time, without being afraid of trouble.
Check the seedlings and replant them.
For the wheat sown late in Huaibei and suitable sowing date in Huainan, after 5-7 days of sowing, we should pay attention to the field observation of wheat emergence. Lack of seedlings and ridging are generally based on 10 cm wheat row and 15 cm wheat row. If there is a lack of seedlings and broken ridges, it is necessary to replant. Then soak the seeds of the same variety in warm water at about 20℃ for 3 ~ 5 hours, and keep them moist after taking them out. When the seeds begin to sprout, dig trenches with hoes and replant them. If the humidity is not good, water them and cover them with soil.
2. Matters needing attention in the management of suitable sowing date of wheat late sowing
Judging from the wheat planting area south of Huaihe River, it has basically entered the suitable sowing period of wheat. For some late-maturing rice fields, wheat will also be sown late. From the field, soil moisture is more suitable for sowing wheat, and the following points should be done for wheat with late sowing date and suitable sowing date:
You can't lack seedlings and break ridges, sow the whole seedlings at one time-grasp soil moisture and control seeds.
After sowing wheat after rice, we must grasp the good soil moisture, generally do not sow too deep, 3-4 cm. For wheat, to achieve high and stable yield, the first thing we should do is to sow all the seedlings at once. Then, in order to ensure that all seedlings are sown at one time, the quality of soil preparation must be good, and the rotary tiller mode cannot be used. Even if the rotary tiller mode is adopted, the depth must be above 15 cm after rotary tillage for 2-3 times, but when sowing, The best farming method is deep tillage, which must be ploughed every 2-3 years or ploughed with an iron plow, and then raked flat before sowing with a machine; Generally, deep ploughing is more than 20 cm to ensure that the soil is fine, broken and flat, weak on the top and solid on the bottom, which is more conducive to wheat emergence, Miao Zhuang, root system, water conservation, drought resistance and frost resistance!
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