As the saying goes, "See Miao three-point collection," Miao Qi Qi and Miao Miao are the foundations for high yields and good harvests. One-seeding seedlings have become an important part of corn cultivation techniques. Then, in addition to buying good seeds, they should also Note the following questions:
1. The depth of sowing should be appropriate. Irrespective of machine seeding and hand placement, the depth of corn sowing is required to be 3 to 5 cm. If you plan to pour the head water, sow 3 cm deep. Deep sowing will cause slow emergence and weak seedlings. If the watering is too large, poor seedling emergence will result in seedling deficiency.
2. Apply fertilizer properly. Corn sowing when appropriate amount of phosphorus and potassium fertilizer as seed fertilizer, can significantly enhance seedling growth, and then increase production, use should pay attention to the following points: (1) appropriate amount: mu application amount of 10 to 20 kg is appropriate. (2) Wrong sowing: Seeds and chemical fertilizers should be planted in the wrong way, and they should be spaced 5 to 7 centimeters apart.
3. Fill the headwaters in time. After planting, cover the headwaters in time. If the amount of sowing fertilizer is too large and watering is not done in time, it is very easy to cause chemical fertilizer to be burned, resulting in severe lack of seedlings. Watering should be appropriate, can not be too much water, flood irrigation is easy to form a field of stagnant water, resulting in slow seedling emergence, yellow seedlings, and even cause serious lack of seedlings. Especially when planting deeper plots, it is necessary to control the amount of water.
4. The amount of sowing should be uniform. Before sowing, after the seeds are poured into the planter, they need to turn the seed-sinking wheel to see if the amount of the next seed is the same in each line. When the seeds are the same, they must be sown again to avoid inconsistency in the emergence of the rows.
Well-bred and good methods supporting the line, only under the premise of guaranteeing the corn seeding, can lay a good foundation for the post-autumn corn harvest.
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