What should you pay attention to when rice is artificially shallowly twisted?
Pay attention to the following three points:
1, scattered time
Artificial spasm must be done before the bed is defrosted. The time is about 6 o'clock in the morning because the greenhouse is extremely wet when it is frozen. The bed soil is sticky and sticky and it is not convenient to work.
2, scab range
For the half of the seedbeds on the east side of the north-south shed, use the rakes or rakes to turn them over. The western side does not turn over in principle. However, the west dovetail skirts should be opened below to increase the ventilation, because the western light receiving time is long and the weathering effect is good. On the east side, the relative humidity is relatively high, and it is beneficial to the eastern side to work at the same time on the east side.
3, scab depth
The depth of the bed soil is about 4cm above the topsoil. It is not easy to get too deep. It is just to break down the structure of the soil compaction in the original greenhouse. If it is turned too deep, it will increase the difficulty of working on the flat bed.
At the same time, it is necessary to adopt the method of opening the greenhouse door early in the morning and closing the greenhouse door in the afternoon to carry out ventilation ventilation in the greenhouse. The snow around the greenhouse needs to be completely removed. After the snow is cleaned, the compaction cloth should be compacted with soil to prevent snow. Melt into the shed. In order to speed up the bed soil screening progress, the bed soil that has been transported into the greenhouse shall be covered with a plastic cloth to prevent it from returning moisture. The soil outside the shed shall be covered in a timely manner to prevent rain and snow from soaking.
In the spring plowing, the sheds with better humidity and seedling conditions should be evacuated as early as possible and scattered early in the nursery. For the nursery sheds with low seed bed and high humidity, ventilation and scatter should be implemented to ensure that the nursery sheds can be set to bed early, and the plate can be quickly reached. .
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