There are many seeds in the country, so they need to be soaked and germinated before they can emerge neatly. When the seeds are treated, the seeds can be placed in the tank, soaked in 80~C hot water, and mixed until the water is not hot. After soaking for a day and night, the water-absorbing seeds are picked up on the straw and spread out.
And covered with wet grass curtains, moisturize with heat preservation, and place germination on the sunny side of the leeward. Seeds that have not been expanded by water are soaked in the above method.
Remove the swollen seeds for germination.
This repeated several times, germination in batches, sowing in batches. During the germination, spray water frequently and turn the seeds up and down 2-3 times a day to make it heated evenly.
Sprouting is consistent, and after about 5-7 days, one-third of the seed's cracking mouth can be sown. If a large area sowing seedlings, due to the large amount of seed processing, germination pool can also be used to prime germination. That is, digging a depth of 50 cm and a width of 80 cm at the leeward sunny side
Longer depending on the number of seed germination pool. A 15 cm thick layer of wet sand is laid on the bottom of the pool, and the water-absorbing seeds are laid flat on the wet sand layer.
Film cover. The management during germination is the same as above.
Before and after the Ching Ming Festival sowing, to drill as well, easy to weeding, loose soil, watering and other tending management. 3 ridges per ditch, 6-8 cm deep, watering the ditch
After the water is allowed to infiltrate, the seeds that have been germinated are sown in the trenches and covered with soil. Sowing amount per kilogram lo. To moisturize the skin and promote seed emergence quickly and neatly, it can be plasticized*:
[film. When the seedlings were 3-4 cm tall, the first time the seedlings were planted, and between the seedlings and diseased, weak and seedlings. After the seedlings grow again, the seedlings will be planted once again. When the seedling height is 10-15 cm, the last time the seedlings will be planted,
The seedlings were transplanted in conjunction with seedlings and the seedlings were transplanted so that their spacing was between 10-15 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 3-4 true leaves,
Apply topdressing urea in combination with water, applying 5 kg per mu. After the combination of water and then topdressing 1-2 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 liquids in time. However, it is mainly necessary to strengthen the management of tending.
Improve the growth of seedlings,
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