How to cultivate seedlings of Saplings

Seeds need to be soaked and germinated before they can emerge neatly. When the seed is treated, the seeds can be placed in the tank, soaked in hot water at 80°C, and mixed until the water is not hot. After immersing for a day and night, the water-absorbing seeds are picked up on the straw curtain, spread out, covered with wet grass curtains, moistened by heat and placed on the leeward sunny place for germination. The unswollen seeds are soaked again by the above method, and the swollen seeds are removed and germinated. This repeated several times, germination in batches, sowing in batches. During the germination, water is often sprayed. The seed is turned up and down 2 or 3 times a day to make it heated evenly and germinate uniformly. About 5 to 7 days after the seed has opened, one third of the seeds are ready to be sown. Before and after the Ching Ming Festival sowing, to drill as well, easy to weeding, loose soil, watering and other management. Each raft has 3 trenches, 6-8 cm depth, watering in the trenches. After the water seeps, the seeds that have germination treatment can be sowed in the trenches. The sowing amount is l0 kg per mu. To moisturize and promote the seed to emerge quickly and neatly, it can cover plastic film. When the seedlings were 3 to 4 cm tall, the first time the seedlings were planted, and between the seedlings and diseased, weak, and seedlings. After the seedlings grow again according to the status of a time, when the seedling height of 10 to 15 centimeters when the last time the seedlings, combined with seedlings for seedlings and transplant seedlings, so that the spacing between 10 to 15 cm. The general seedlings should be combined with watering, such as transplanting seedlings and plants, they can be carried out on rainy days, with soil transplants, and timely watering after transplanting. When the seedlings grow 3 to 4 true leaves, they apply topdressing urea in combination with water, and the amount of fertilizer is 5 kg per mu. After the combination of water and then chase 1 to 2 times. After September, watering and fertilization are generally not used to promote the lignification of seedlings. Sorghum seedlings are susceptible to seedling larvae and found that the affected strains should be sprayed with 1000-1500 times DDV liquid. However, it is also necessary to strengthen tending management, increase the growth potential of seedlings, and increase the ability to resist pests and diseases.

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