For the cotton fields covered with cotton after the first sowing, it is the first job of the cotton seedling management to release the seedlings. The timely and scientific release of seedlings is conducive to cultivating strong seedlings and promoting early-onset seedling growth. When the cotton seedlings grow up to 60-70%, cotyledons flatten, and the leaf color turns green, it is timely to break the membrane to ventilate the air, timely release the seedlings to prevent the high temperature and burn the seedlings. After the cotton seedlings are unearthed, they should grasp the right time and place the seedlings at different times. To put green (miao) without putting yellow (miao), enlarge (miao) without putting small (miao), put the seedlings on time should grasp sunny days sooner or later put (miao), avoid high temperature at noon (miao), cloudy day The Japanese assault puts (miao), the strong wind cools the weather to stop to put (the seedling), when the high temperature weather is too late to release (the seedling), breaks the membrane to release the air to breathe first, then puts the seedling, when pays the seedling, must pay attention, opens the small hole not to open the big hole, generally 4-5 cm can be.
After the seedlings are planted, the seedling holes shall be sealed in time, but the hole blocking shall be timely blocked according to the soil moisture under the membrane, the weather is drought when the seedlings are released, the soil under the membrane is loose, and the seedlings shall be promptly plugged with the seedlings. The current windy weather More, the soil should be promptly sealed and put on the seedling hole for warming. When the seedlings are wet, the soil moisture under the membrane is high, and when the seedling disease is severe, the time for blocking the seedlings should be appropriately postponed to facilitate the spread and reduce the disease. When the soil under the membrane is loose and the temperature is suitable, the seedling hole is closed and sealed.
After the seedlings are planted, the seedling holes shall be sealed in time, but the hole blocking shall be timely blocked according to the soil moisture under the membrane, the weather is drought when the seedlings are released, the soil under the membrane is loose, and the seedlings shall be promptly plugged with the seedlings. The current windy weather More, the soil should be promptly sealed and put on the seedling hole for warming. When the seedlings are wet, the soil moisture under the membrane is high, and when the seedling disease is severe, the time for blocking the seedlings should be appropriately postponed to facilitate the spread and reduce the disease. When the soil under the membrane is loose and the temperature is suitable, the seedling hole is closed and sealed.
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