Winter wheat cultivation and management of big wheat, rapeseed and green manure
Doing the winter management of big wheat, rapeseed and green manure is the key to seizing the high yield of grain and oil in the next year. What should be done in winter to cultivate and manage it?
Doing a good job of covering soil with manure is an effective measure to ensure safe wintering of wheat seedlings. For some wheat fields with poor sowing quality or over-sowing, it can be done with cover soil. Choose clear weather to cover the surface of floating soil in the ditch to avoid bare roots. , reduce the dead wheat seedlings. In the wheat field where manure is not applied or applied less, a layer of coarse fertilizer is sprinkled to increase surface temperature, reduce frost damage, and protect wheat seedlings. Grasping wheat in winter wheat fields can compact the soil, make up for cracks, and prevent the death of wheat seedlings caused by surface cracking in the winter.
No-tillage rapeseed direct seedlings are mainly preserved during the year and actively promoted outside the year. Therefore, in the application of fertilizer, when the wheat seedling grows up to two true leaves, the topdressing application of urea is about 5 to 7.5 kilograms. The application of heavy fertilizer is strongly promoted after the spring is opened. Up to 3 applications. At present, it has entered the winter period, and there are few insect pests, mainly spring locusts, leaf miners, etc. Once they are found to be protected by spraying.
In the winter, green manure should be drained in time, and trenches that are not trenched at the time of sowing should be opened in time. For large and relatively flat fields, open the ring field ditch, the center ditch, and the branching ditch, so that the ditch can communicate with each other, which is conducive to drainage. In addition, straw or weeds are evenly covered with green manure to protect the green manure safely for the winter. At the beginning of spring when the air warms up in the spring, 2.5 to 3 kg of potassium fertilizer and 2 to 2.5 kg of urea are applied to increase the nitrogen, potassium is used to promote nitrogen, nitrogen is used to promote seedlings, and the yield of green manure is increased.
Doing a good job of covering soil with manure is an effective measure to ensure safe wintering of wheat seedlings. For some wheat fields with poor sowing quality or over-sowing, it can be done with cover soil. Choose clear weather to cover the surface of floating soil in the ditch to avoid bare roots. , reduce the dead wheat seedlings. In the wheat field where manure is not applied or applied less, a layer of coarse fertilizer is sprinkled to increase surface temperature, reduce frost damage, and protect wheat seedlings. Grasping wheat in winter wheat fields can compact the soil, make up for cracks, and prevent the death of wheat seedlings caused by surface cracking in the winter.
No-tillage rapeseed direct seedlings are mainly preserved during the year and actively promoted outside the year. Therefore, in the application of fertilizer, when the wheat seedling grows up to two true leaves, the topdressing application of urea is about 5 to 7.5 kilograms. The application of heavy fertilizer is strongly promoted after the spring is opened. Up to 3 applications. At present, it has entered the winter period, and there are few insect pests, mainly spring locusts, leaf miners, etc. Once they are found to be protected by spraying.
In the winter, green manure should be drained in time, and trenches that are not trenched at the time of sowing should be opened in time. For large and relatively flat fields, open the ring field ditch, the center ditch, and the branching ditch, so that the ditch can communicate with each other, which is conducive to drainage. In addition, straw or weeds are evenly covered with green manure to protect the green manure safely for the winter. At the beginning of spring when the air warms up in the spring, 2.5 to 3 kg of potassium fertilizer and 2 to 2.5 kg of urea are applied to increase the nitrogen, potassium is used to promote nitrogen, nitrogen is used to promote seedlings, and the yield of green manure is increased.
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