The main methods are: First, the farmer should apply winter irrigation or spring irrigation. Before the planting, the soil shall be preserved. The soil shall be sprayed with a rake. The herbicide shall then be sprayed on the surface. Then the seeder shall be used for sowing: ditching, fertilizing, sowing, covering the soil, filming, flowing water. Homework is done once (seeds must be light seeds).
According to our investigation and understanding, machine broadcasting has the following main advantages:
1. As the trial amount of seeds and chemical fertilizers can be controlled, it can achieve the effects of seeding, uniform fertilization, fast speed, and good quality;
2, to save labor, reduce labor intensity: a sowing machine with a hand belt, three people operating (including the hand) can broadcast more than 20 acres a day, is artificial coverage, sowing 15 times, especially the contiguous operation, sowing efficiency Higher, very suitable for a large number of farmers, labor less farmers and large contractors to promote the application.
This year, through our in-depth investigation of the plots of the broadcast of cotton in the seedling stage of cotton, we have also found the unfavorable aspect: The unevenness of the ground and the lack of emergence of plots are not completely uniform. The problem is: Machine seeding must be conducted with machine sowing, winter irrigation or spring irrigation in advance of attainment, and most of my county in recent years is rotary tillage, shallow plowing, small water holding capacity in the field, poor preservation effect, short time, and it is difficult to achieve sufficient The seedlings are sown, so it is difficult to produce full seedlings on the high-pitched plots, and the phenomenon of lack of seedlings and ridges occurs.
In short, we believe that if we take advantage of the advantages of machine broadcast, we can sow the seedlings once and for all at the same time.
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