How to increase the survival rate of transplanting tobacco seedlings

At present, tobacco plants have been transplanted in some tobacco fields. The seedling transplanting process is numerous, and the quality of each link directly affects the survival rate of tobacco seedlings. Strictly put the following five barriers to ensure the survival rate of tobacco seedlings:
Strictly time off. Appropriate transplanting time can be determined based on the ground temperature. Under normal circumstances, local temperature stability can be transplanted at 18°C. In the same contiguous area or in the baking field in the same barn, the transplanting time of the tobacco seedlings shall not exceed 2 days to ensure that the ripening and falling yellow are the same. The same township shall complete the transplanting in 5 to 10 days.

Strictly beat Tong. To deepen the pond, the pond is about 10 cm deep. When playing the pond, it is necessary to operate according to the triangulation marks on the ridge so as to standardize the pond.

Strictly put the smoke off. According to the height of the seedlings of the tobacco seedlings, the core of the tobacco seedlings is exposed to 2 to 3 cm in height. When the soil is covered, the tobacco seedlings are not moved, and the smoke holes are filled with fine soil to ensure the nutrition of the seedlings and the seedlings are raised. , bait all covered. The mulching film around the tobacco plant must be tightly sealed and there should be no air leakage, so as to avoid high-temperature leakage and steaming of the tobacco seedlings. The use of diammonium phosphate or potassium nitrate to raise the seedlings is 3 to 5 kg per mu. Bait can be used 90% of the trichlorfon 50 grams, add 5 kg of bran mixed, the amount of 3.5 to 4 kg per acre, mentioning the seedlings and baits should be kept with the tobacco seedling roots a certain distance, so as not to hurt the seedlings. Tobacco planting should be done on the seedlings to ensure that there are no tall seedlings and weak seedlings, so that the seedlings grow neatly and consistently. When transplanting with a transplanter, it is necessary to be consistent with ridges, lines, and ridges, and uniform seedlings are used to ensure timely transplanting when the seedlings are not wilting.

Strictly turn off the water. In combination with soil moisture, 0.5 to 1 kilograms of water per plant were sprayed to ensure sufficient water to facilitate survival.

Strictly make up for Miao. The transplanted tobacco fields should be promptly investigated for seedlings and supplemented seedlings, and strengthened management to ensure the balanced growth of tobacco plants in Datian.

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